NSN 5305-01-081-2431 A640031C225, 3176207C128, 3176207-C-128

Product Details | SOCKET HEAD CAP SCREW

5305-01-081-2431 An externally threaded fastener whose threaded portion is of one nominal diameter. The head has an internal socket or multiple spline for use with an inserted driver. A locking feature may be incorporated in the design of the head or threads. Excludes items with bevel (conical) heads. See BOLT, INTERNAL WRENCHING. Excludes SCREW, SHOULDER; and SCREW, MACHINE.

Part Alternates: A640031C225, 3176207C128, 3176207-C-128, 5305-01-081-2431, 01-081-2431, 5305010812431, 010812431

Hardware and Abrasives | Screws

Supply Group (FSG)	NSN Assign.	NIIN	Item Name Code (INC)
53	10 AUG 1979	01-081-2431	16282 ( SCREW, CAP, SOCKET HEAD )

Drawings & Photos | NSN 5305-01-081-2431

Part Number	Request Date	QTY	Origin
5305-01-081-2431	2018-07-199	5951	DIBBS
5305-01-081-2431	2018-07-191	5951	DIBBS
5305-01-081-2431	2017-08-242	5951	DIBBS
5305-01-081-2431	2016-09-264	5662	DIBBS
5305-01-081-2431	2014-05-134	3990	DIBBS
5305-01-081-2431	2013-09-247	1718	DIBBS

Cross Reference | NSN 5305-01-081-2431

Part Number	Cage Code	Manufacturer
3176207-C-128	10001	NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT
A640031C225	D9182	BOSCH REXROTH GMBH LOHMANN +STOLTERFOHT

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Related Products | NSN 5305-01-081-2431

5305-01-081-2432, 5305-01-081-2433, 5305-01-081-2434, 5305-01-081-2435, 5305-01-081-2436

Technical Data | NSN 5305-01-081-2431

Characteristic	Specifications
THREAD SERIES DESIGNATOR	UNC
NOMINAL THREAD DIAMETER	0.312 INCHES
THREAD QUANTITY PER INCH	18
THREAD CLASS	3A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	1.120 INCHES MINIMUM
FASTENER LENGTH	2.250 INCHES NOMINAL
MATERIAL	STEEL OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION	66 FED STD SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENT	ZINC OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-Z-325,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
HARDNESS RATING	38.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM OVERALL
MINIMUM TENSILE STRENGTH	170000 POUNDS PER SQUARE INCH
MINIMUM YIELD STRENGTH	150000 POUNDS PER SQUARE INCH
HEAD STYLE	C44 FILLISTER
HEAD DIAMETER	0.457 INCHES MINIMUM AND 0.469 INCHES MAXIMUM
HEAD HEIGHT	0.306 INCHES MINIMUM AND 0.312 INCHES MAXIMUM
INTERNAL DRIVE STYLE	D5 HEXAGON
WIDTH ACROSS FLATS	0.250 INCHES NOMINAL
LOCKING FEATURE	PATCH THREADS
SPECIAL FEATURES	CRITICAL ITEM HYDROGEN EMBRITTLEMENT RELIEF REQUIRED
MANUFACTURERS CODE	10001
DESIGN CONTROL REFERENCE	3176207-C-128

Restrictions/Controls & Freight Information | NSN 5305-01-081-2431

Restrictions
Freight

Category	Code	Description
Shelf-Life Code:	0	Nondeteriorative
Hazardous Material Indicator Code	N	There is no data in the HMIS and the NSN is in an FSC not generally suspected of containing hazardous materials
Demilitarization Code:	A	Non-Munitions List Item/ Non-Strategic List Item - Demilitarization not required.
Controlled Inventory Item Code:	U	UNCLASSIFIED
Precious Metals Indicator Code:	U	Precious metal type is unknown
Criticality Code:	X	The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.

Category	Code	Description
NMF Description	093486	BOLTS,NUTS OR SCREWS, NOI (SUB 3)
Less than car load rating
Less than truck load rating	W	Rating Variable
Water commodity Code	713	unknown
Originating Activity Code	HD	Naval Inventory Control Point Mechanicsburg, PA 17055-0788
Air Dimension Code	A	Shipment is not a consolidation and does not exceed 72 inches in any dimension.
Air Commodity	B	Construction materials: Includes paint and related materials, prefabricated building, wood products, metal and composition materials and their products, commercial hardware and miscellaneous items, cement, asphalt, building maintenance materials.
Air Special Handling	Z	No special handling required.
Special Handling Code	9	unknonwn
HAZMAT
Type of Cargo	Z	No special type of cargo code applicable

Management | NSN 5305-01-081-2431

Air Force
Navy

Category	Code	Description
Budget Code	9	General Support DIV57X4921.070:Air Force decentrally managed expense items (ERRC XB3, XF-3) with a unit cost of less than $250,000 that are requisitioned/procured at base (retail) level from DLA, GSA, Army, Navy, Depot Maintenance Service, Air Force Industrial Fund (AFMC), local manufacture and commercial vendors.
Fund Code	SF	Stock fund applicable to items managed for the Air Force by the respective Inventory Control Point.
Materiel Management Aggregation Code	SX	SX:AF SICA RESIDUAL MMAC-OC-ALC
Price Validation	V	The current standard price has been validated. The item has been analyzed in conjunction with the Zero Overpricing Program and is in the accepted price range. The item was procured under open competition and under the competitive arena the price is considered fair and reasonable. ZOP or Standard price challenges are permissible but must be supported by adequate justification.
Source of Supply	SMS	Defense Logistics Agency Enterprise Business Systems
Agency	DF	Department of the Air Force
Service Organization	F	U.S. Air Force
Reparability	N	Stock Fund (except Munitions)
Acquisition Advice Codes	Z	INSURANCE/NUMERIC STOCKAGE OBJECTIVE ITEM # Items which may be required occasionally or intermittently, and prudence requires that a nominal quantity of materiel be stocked due to the essentiality or the lead time of the item. 1. The item is centrally managed, stocked, and issued. 2. Requisitions will be submitted in accordance with IMM/Service requisitioning procedures.
Controlled Item Code	U	UNCLASSIFIED
Shelf Life Code	0	Nondeteriorative
Purchasing	QTY UOM	5 EA : Each

Category	Code	Description
Cognizance Codes	9B	Navy-owned stocks of DLA material Naval Inventory Control Point, Mechanicsburg
Source of Supply	SMS	Defense Logistics Agency Enterprise Business Systems
Agency	DN	Department of the Navy
Service Organization	N	U.S. Navy
Acquisition Advice Codes	Z	INSURANCE/NUMERIC STOCKAGE OBJECTIVE ITEM # Items which may be required occasionally or intermittently, and prudence requires that a nominal quantity of materiel be stocked due to the essentiality or the lead time of the item. 1. The item is centrally managed, stocked, and issued. 2. Requisitions will be submitted in accordance with IMM/Service requisitioning procedures.
Controlled Item Code	U	UNCLASSIFIED
Shelf Life Code	0	Nondeteriorative
Purchasing	QTY UOM	5 EA : Each