Assembled Washer Screw
5R638
(NSN) National Stock Number
5305-00-994-1658
Federal Supply Classification
5305 Screws
Item Name Code
06660
Schedule B Code
7318152000
Summary
2a thread class, right-hand thread direction, 0.325 inches minimum thread length, 0.437 inches nominal fastener length, pan head style, 0.357 inches minimum and 0.373 inches maximum head diameter
| DAC | HCC | DMIL | RNCC |
|---|---|---|---|
| 1 | - | - | 3 |
| RNVC | SADC | MSDS | RNAAC |
|---|---|---|---|
| 9 | - | - | SE |
Identification
A screw, (as modified) to which has been assembled one or more nonremovable washer(s).
| INC | FIIG | Concept | Condition |
|---|---|---|---|
| 06660 | A003B0 | - | 1 |
Specifications
Thread Class
2a
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
0.325 inches minimum
Details
A measurement of the extent of threads,including incomplete threads,along a line parallel to the longitudinal axis.Fastener Length
0.437 inches nominal
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
pan
Details
The style designation indicating the configuration that most nearly corresponds to the appearance of the head.Head Diameter
0.357 inches minimum and 0.373 inches maximum
Details
The length of a straight line which passes through the center of a circular head,and terminates at the circumference.Head Height
0.099 inches minimum and 0.110 inches maximum
Details
A measurement from the bottom to the top of the head,in distinction from depth.Washer Quantity
1
Details
The number of washers included on the item.Internal Drive Style
cross recess type 1
Details
The style designation indicating the configuration that most nearly corresponds to the appearance of the internal drive.Nominal Thread Diameter
0.190 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.Primary Washer Outside Diameter
0.373 inches maximum
Details
None.Primary Washer Style
split helical ring
Details
The style designation indicating the configuration that most nearly corresponds to the appearance of the primary washer.Primary Washer Material Thickness
0.056 inches nominal
Details
None.Material
steel comp 1008 overall or steel comp 1018 overall
Details
The chemical compound or mechanical mixture properties of which the item is fabricated.Material Document And Classification
sae assn std all material responses overall
Details
The specification, standard, or manufacturer's reference and the classification designation, such as class, condition, temper, and the like, that identifies the material.Thread Series Designator
unf
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.Master-Cross Reference List
| Part | CAGE | DAC | HCC | RNCC | RNVC | MSDS | RNAAC |
|---|---|---|---|---|---|---|---|
| 303551 | 1UVT5 | 5 | - | E | 8 | - | ZZ |
Material and Special Handling
Hazardous material, precious metals, criticality, and electrostatic discharge indicators.
| HMIC | PMIC | ESD/EMI | Criticality |
|---|---|---|---|
| N | A | - | - |
Freight
Universal / National Freight and Handling Information
| UFC | HMC | LTL | LCL |
|---|---|---|---|
| 48950 | - | W | - |
| RVC | WCC | TCC | SHC |
|---|---|---|---|
| - | 713 | Z | 9 |
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Manufacturer
COLT INDUSTRIES INC HOLLEY AUTOMOTIVE DIV
CAGE: 29092
BOWLING GREEN
, KY
, 42102
UNITED STATES
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FAQs
Frequently asked questions for NSN 5305-00-994-1658
What is the NIIN of the NSN 5305-00-994-1658?
The National Item Identification Number (NIIN) of the NSN 5305-00-994-1658 is 00-994-1658
When the NSN 5305-00-994-1658 was assigned to the Federal Catalog?
It was assigned 57 years ago, on Thu, Apr 6, 1967
Does the NSN 5305-00-994-1658 contain any precious metals?
Does not contain precious metal
Does the NSN 5305-00-994-1658 contain any hazardous material?
No data in HMIRS
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