Machine Screw

51B600C3-12B

(NSN) National Stock Number

5305-00-025-4068

Federal Supply Classification

5305 Screws

Item Name Code

06657

Schedule B Code

7318152000

Summary

3a thread class, right-hand thread direction, 0.657 inches minimum and 0.750 inches maximum thread length, 0.719 inches minimum and 0.750 inches maximum 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
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

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

0.657 inches minimum and 0.750 inches maximum

Details

A measurement of the extent of threads,including incomplete threads,along a line parallel to the longitudinal axis.

Fastener Length

0.719 inches minimum and 0.750 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

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

0.122 inches minimum and 0.133 inches maximum

Details

A measurement from the bottom to the top of the head,in distinction from depth.

Internal Drive Style

torque set

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

Details

The number of threads on the item per linear inch measured on a line parallel to the thread axis.

Minimum Tensile Strength

140000 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.

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 5732 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

oxide

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

fp-22 76823 mfr ref 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

unjf

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

76823-51b600 manufacturers 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
51B600C3-12B	17446	5	-	5	2	-	ZZ
51B600C3-12B	06950	5	-	5	2	-	ZZ
51B600	76823	1	-	1	2	-	ZZ
51B600C3-12B	06725	5	-	5	2	-	ZZ
51B600C3-12B	27624	5	-	5	2	-	ZZ
51B600C3-12B	80539	5	-	5	2	-	ZZ
51B600C3-12B	73197	5	-	5	2	-	ZZ
51B600C3-12B	79U29	5	-	3	2	-	ZZ
51B600C3-12B	0JRC1	5	-	5	9	-	ZZ

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

Order with confidence. We are a valued certified supplier serving customers in the military and aerospace industries.

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Manufacturer

NORTHROP GRUMMAN SYSTEMS CORPORATION DIV NORTHROP GRUMMAN AERONAUTICS SYSTEMS

CAGE: 76823

EL SEGUNDO , CA , 90245-2804

UNITED STATES

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FAQs

Frequently asked questions for NSN 5305-00-025-4068

What is the NIIN of the NSN 5305-00-025-4068?

The National Item Identification Number (NIIN) of the NSN 5305-00-025-4068 is 00-025-4068

When the NSN 5305-00-025-4068 was assigned to the Federal Catalog?

It was assigned 52 years ago, on Sat, Oct 21, 1972

Does the NSN 5305-00-025-4068 contain any precious metals?

Type/content is unknown

Does the NSN 5305-00-025-4068 contain any hazardous material?

No data in HMIRS

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