Product Details | HEXAGON HEAD CAP SCREW

5305-00-021-3972 An externally threaded fastener designed for insertion into holes in assembled parts, for mating with a preformed internal thread and for tightening or releasing by torquing the head. The threaded and unthreaded portions are both of the same nominal diameter of 0.190 inch (5 mm) or larger. Head dimensions and sizes of threaded and unthreaded portions shall conform to internationally recognized fastener standards. The thread length being the controlled dimension, the grip length is not specified. A locking feature may be incorporated in the design of the head or threads. The head is not designed to be held or driven with an inserted driver or by the thumb and fingers. Excludes BOLT,MACHINE; BOLT,EXTERNALLY RELIEVED BODY; BOLT,INTERNAL WRENCHING; and SCREW,CAP,SOCKET HEAD.

Part Alternates: FFS85TYPE2STYLE10P, 213972, 5305-00-021-3972, 00-021-3972, 5305000213972, 000213972

Hardware and Abrasives | Screws

Supply Group (FSG) NSN Assign. NIIN
53 01 JAN 1963 00-021-3972

Drawings & Photos | NSN 5305-00-021-3972


Demand History | NSN 5305-00-021-3972

Part Number Request Date QTY Origin
FFS85TYPE2STYLE10P 2009-10-288 150 US

Cross Reference | NSN 5305-00-021-3972

Part Number Cage Code Manufacturer
213972 21450 ARMY WEAPONS COMMAND ATTN AMSWE-REE-S
213972 24617 GENERAL MOTORS CORP
213972 7X677 GENERAL MOTORS LLC DBA GENERAL MOTORS
FFS85TYPE2STYLE10P 81348 FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES

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Technical Data | NSN 5305-00-021-3972

Characteristic Specifications
THREAD SERIES DESIGNATOR UNF
NOMINAL THREAD DIAMETER 0.500 INCHES
THREAD QUANTITY PER INCH 20
THREAD CLASS 2A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH 1.250 INCHES MAXIMUM
FASTENER LENGTH 1.250 INCHES NOMINAL
MATERIAL STEEL COMP 302 OR STEEL COMP 303 OR STEEL COMP 304 OR STEEL COMP 316 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION 66 FED STD ALL MATERIAL RESPONSES OVERALL
SURFACE TREATMENT PASSIVATE OVERALL
HEAD STYLE C1 HEXAGON
HEAD HEIGHT 0.302 INCHES MINIMUM AND 0.323 INCHES MAXIMUM
WIDTH BETWEEN FLATS 0.736 INCHES MINIMUM AND 0.750 INCHES MAXIMUM
MANUFACTURERS CODE 81348
NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE FFS85TYPE2STYLE10P

Restrictions/Controls & Freight Information | NSN 5305-00-021-3972

Category Code Description
Hazardous Material Indicator CodeNThere is no data in the HMIS and the NSN is in an FSC not generally suspected of containing hazardous materials
Demilitarization Code:ANon-Munitions List Item/ Non-Strategic List Item - Demilitarization not required.
Precious Metals Indicator Code:UPrecious 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 U 50
Less than truck load rating W Rating Variable
Water commodity Code 713 unknown
Originating Activity Code XX
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