Machine Screw
NAS1221-06E2
(NSN) National Stock Number
5305-00-001-6671
Federal Supply Classification
5305 Screws
Item Name Code
06657
Schedule B Code
7318152000
Summary
3a thread class, right-hand thread direction, 0.252 inches minimum and 0.302 inches maximum thread length, 0.387 inches minimum and 0.417 inches maximum fastener length, flat countersunk head style, 0.244 inches minimum and 0.279 inches maximum head diameter
| DAC | HCC | DMIL | RNCC |
|---|---|---|---|
| 4 | - | - | 3 |
| RNVC | SADC | MSDS | RNAAC |
|---|---|---|---|
| 2 | - | - | SE |
Identification
An externally threaded fastener whose threaded portion is of one nominal diameter, no 0 (0.060 in./1.5 mm) or larger, designed to be held or driven with either a wrench or an inserted driver or both (excluding internal socket or internal multiple spline types), in sizes below no. 10 (0.190 in./5 mm). No. 10 and larger sizes must have a head designed for any type inserted driver (excluding internal socket or internal multiple spline types), but may also be designed for external wrenching. A locking feature may be incorporated in the design of the head or threads. Excludes:bolt, clevis; bolt, externally relieved body; screw, externally relieved body; and screw, assembled washer. See also, screw, instrument; bolt, machine; bolt, internal wrenching; and screw, cap socket head.
| INC | FIIG | Concept | Condition |
|---|---|---|---|
| 06657 | A500D0 | - | 1 |
Specifications
Thread Class
3a
Details
A numeric-alpha designator indicating the pitch diameter tolerance and an external or internal thread.Thread Direction
right-hand
Details
The direction of the thread when viewed axially. a right-hand thread winds in a clockwise direction while a left-hand thread winds in a counterclockwise direction.Thread Length
0.252 inches minimum and 0.302 inches maximum
Details
A measurement of the extent of threads,including incomplete threads,along a line parallel to the longitudinal axis.Fastener Length
0.387 inches minimum and 0.417 inches maximum
Details
The dimension,measured along a line parallel to the longitudinal axis,from the largest bearing surface of the fastener head to the extreme opposite end,or as specifically designated for other type fasteners.Head Style
flat countersunk
Details
The style designation indicating the configuration that most nearly corresponds to the appearance of the head.Head Diameter
0.244 inches minimum and 0.279 inches maximum
Details
The length of a straight line which passes through the center of a circular head,and terminates at the circumference.Internal Drive Style
high-torque
Details
The style designation indicating the configuration that most nearly corresponds to the appearance of the internal drive.Nominal Thread Diameter
0.138 inches
Details
The nominal length of a straight line which passes through the center of the threaded portion,and terminates at the circumference.Thread Quantity Per Inch
32
Details
The number of threads on the item per linear inch measured on a line parallel to the thread axis.Minimum Tensile Strength
160000 pounds per square inch
Details
The maximum rated load in tension applied in a longitudinal direction,per unit of cross-sectional area,that the material can withstand without rupture.Countersink Angle
99.0 degrees minimum and 101.0 degrees maximum
Details
The included angle of the countersink.Screw Material
iron alloy 660
Details
The chemical compound or mechanical mixture properties of which the screw is fabricated.Screw Material Document And Classification
ams 5731 assn std single material response or ams 5732 assn std single material response or ams 5737 assn std single material response
Details
The specification,standard,or manufacturers reference,and the classification designation,such as class,condition,temper,and the like,that identifies the screw material.Screw Surface Treatment
passivate
Details
The metallic,nonmetallic,and/or chemical properties with which the screw is plated,dipped and/or coated.the treatment is designed to protect the surface(s) and cannot be wiped off.Screw Surface Treatment Document And Classification
qq-p-35 fed spec single treatment response
Details
The specification,standard,or manufacturers reference,and the classification designation,such as type,class,grade,and the like,that identifies the surface treatment material of the screw.Thread Series Designator
unjc
Details
A designation distinguishing one group of thread diameter-pitch combinations from another by the number of threads per measurement scale for a specific diameter.Specification/Standard Data
80205-nas1221 professional/industrial association standard
Details
The document designator of the specification or standard which established the item of supply.Master-Cross Reference List
| Part | CAGE | DAC | HCC | RNCC | RNVC | MSDS | RNAAC |
|---|---|---|---|---|---|---|---|
| NAS1221-06E2 | L4528 | 4 | - | 3 | 2 | - | ZZ |
| NAS1221-06E2 | 07851 | 4 | - | 5 | 2 | - | KZ |
| NAS1221-06E2 | 17446 | 5 | - | 3 | 2 | - | ZZ |
| NAS1221-06E2 | 58998 | 4 | - | 3 | 2 | - | KX |
| NAS1221-06E2 | 80539 | 4 | - | 3 | 2 | - | KZ |
| NAS1221-06E2 | 73197 | 4 | - | 3 | 2 | - | KZ |
| NAS1221-06E2 | 92215 | 4 | - | 3 | 2 | - | KZ |
| NAS1221-06E2 | 30902 | 4 | - | 5 | 9 | - | KZ |
| NAS1221-06E2 | 04348 | 4 | - | 5 | 9 | - | KZ |
| NAS1221-06E2 | 97928 | 4 | - | 5 | 9 | - | KZ |
| NAS1221-06E2 | 08938 | 4 | - | 5 | 9 | - | KZ |
| NAS1221-06E2 | 56878 | 4 | - | 5 | 9 | - | KZ |
Material and Special Handling
Hazardous material, precious metals, criticality, and electrostatic discharge indicators.
| HMIC | PMIC | ESD/EMI | Criticality |
|---|---|---|---|
| N | U | - | - |
Freight
Universal / National Freight and Handling Information
| UFC | HMC | LTL | LCL |
|---|---|---|---|
| 63220 | - | W | - |
| RVC | WCC | TCC | SHC |
|---|---|---|---|
| - | 72E | Z | 9 |
Certified Supplier
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Manufacturer
NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE
CAGE: 80205
ARLINGTON
, VA
, 22209
UNITED STATES
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FAQs
Frequently asked questions for NSN 5305-00-001-6671
What is the NIIN of the NSN 5305-00-001-6671?
The National Item Identification Number (NIIN) of the NSN 5305-00-001-6671 is 00-001-6671
When the NSN 5305-00-001-6671 was assigned to the Federal Catalog?
It was assigned 52 years ago, on Wed, Oct 4, 1972
Does the NSN 5305-00-001-6671 contain any precious metals?
Type/content is unknown
Does the NSN 5305-00-001-6671 contain any hazardous material?
No data in HMIRS
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