NSN 5305-01-256-4457 050F1100E4340, 52B10701, 52-B-1070-1

Product Details | HEXAGON HEAD CAP SCREW

5305-01-256-4457 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: 050F1100E4340, 52B10701, 52-B-1070-1, 5305-01-256-4457, 01-256-4457, 5305012564457, 012564457

Hardware and Abrasives | Screws

Supply Group (FSG)	NSN Assign.	NIIN	Item Name Code (INC)
53	05 JUN 1987	01-256-4457	18257 ( SCREW, CAP, HEXAGON HEAD )

Drawings & Photos | NSN 5305-01-256-4457

Part Number	Request Date	QTY	Origin
52-B-1070-1	2026-01-26	12	DIBBS
52-B-1070-1	2026-01-26	22	DIBBS
52-B-1070-1	2026-01-26	49	DIBBS
5305-01-256-4457	2023-12-349	41	Turkey
5305-01-256-4457	2023-11-317	200	Turkey
5305-01-256-4457	2023-11-317	200	Turkey
5305-01-256-4457	2023-11-313	210	TR
52-B-1070-1	2022-12-336	785	DIBBS
52-B-1070-1	2022-11-328	785	DIBBS
52-B-1070-1	2022-01-13	953	DIBBS
52-B-1070-1	2021-12-341	789	DIBBS
52-B-1070-1	2021-10-298	447	DIBBS
52-B-1070-1	2021-10-287	447	DIBBS
52-B-1070-1	2021-09-250	1214	DIBBS
5305-01-256-4457	2021-08-242	1200	US
52-B-1070-1	2021-08-238	1214	DIBBS
52-B-1070-1	2021-08-223	1214	DIBBS
52-B-1070-1	2021-03-60	850	DIBBS
52-B-1070-1	2021-02-48	850	DIBBS
5305-01-256-4457	2019-01-25	1	DIBBS-RFPs
5305-01-256-4457	2018-12-359	519	DIBBS
5305-01-256-4457	2018-09-259	641	DIBBS
5305-01-256-4457	2017-11-311	396	DIBBS
5305-01-256-4457	2017-04-120	615	DIBBS
5305-01-256-4457	2017-03-78	261	DIBBS
5305-01-256-4457	2017-03-60	438	DIBBS
5305-01-256-4457	2017-02-32	1043	DIBBS
5305-01-256-4457	2016-11-320	142	DIBBS
5305-01-256-4457	2016-04-106	528	DIBBS
5305-01-256-4457	2016-04-98	528	DIBBS
5305-01-256-4457	2016-02-52	148	DIBBS
5305-01-256-4457	2015-09-256	322	DIBBS
5305-01-256-4457	2012-11-310	1837	DIBBS
5305-01-256-4457	2010-07-193	1738	DIBBS
5305-01-256-4457	2010-05-124	840	DIBBS
5305-01-256-4457	2010-04-113	68	DIBBS
5305-01-256-4457	2010-04-100	63	DIBBS
5305-01-256-4457	2008-04-101	2509	DIBBS
5305-01-256-4457	2008-03-64	321	DIBBS

Cross Reference | NSN 5305-01-256-4457

Part Number	Cage Code	Manufacturer
050F1100E4340	0PL77	RAINBOW FASTENER INC.
52-B-1070-1	03111	BLISS E W CO GULF AND WESTERN MFG CO
52-B-1070-1	06GF2	R & R INDUSTRIES LTD INC
52-B-1070-1	21439	ENGINEERED ARRESTING SYSTEMS CORPORATION

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Related Products | NSN 5305-01-256-4457

5305-01-256-4459, 5305-01-256-4466, 5305-01-256-4469, 5305-01-256-4471, 5305-01-256-4472

Technical Data | NSN 5305-01-256-4457

Characteristic	Specifications
THREAD SERIES DESIGNATOR	UNF
NOMINAL THREAD DIAMETER	0.500 INCHES
THREAD QUANTITY PER INCH	20
THREAD CLASS	3A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	0.484 INCHES MINIMUM AND 0.563 INCHES MAXIMUM
FASTENER LENGTH	10.828 INCHES MINIMUM AND 10.875 INCHES MAXIMUM
MATERIAL	STEEL COMP E4340 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION	MIL-S-5000 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENT	CADMIUM AND CHROMATE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-416 TY 2 CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
HARDNESS RATING	32.0 ROCKWELL C MINIMUM AND 36.0 ROCKWELL C MAXIMUM OVERALL
MINIMUM TENSILE STRENGTH	150000 POUNDS PER SQUARE INCH
HEAD STYLE	C1 HEXAGON
HEAD HEIGHT	0.250 INCHES NOMINAL
WIDTH BETWEEN FLATS	0.750 INCHES NOMINAL

Restrictions/Controls & Freight Information | NSN 5305-01-256-4457

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:	A	Item does not contain precious metal
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	KH	Defense Industrial Supply Center Philadelphia, PA 19111
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 5305-01-256-4457

Air Force

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.
Price Validation	N	The current standard price in Catalog Management Data (CMD) has not analyzed or coded for LP/LM. The price has not been analyzed or reviewed for accuracy. ZOP or Standard price challenges are permissible, but must be supported with adequate justification. However, if coded for Local Purchase (LP) or Fabrication/Manufacture as indicated with an (LM) Acquisition Advice Code of ?L? or?F?,the case must be evaluated locally where purchased or fabricated.
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
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	D	DoD INTEGRATED MATERIEL-MANAGED, STOCKED, AND ISSUED # Issue, transfer, or shipment is not subject to specialized controls other than those imposed by the Integrated Materiel Manager/Service supply policy. 1. The item is centrally managed, stocked, and issued. 2. Requisitions must contain the fund citation required to acquire the item. Requisitions will be submitted in accordance with Integrated Materiel Manager(IMM)/Service requisitioning procedures.
Controlled Item Code	U	UNCLASSIFIED
Shelf Life Code	0	Nondeteriorative
Purchasing	QTY UOM	1 EA : Each