NSN 5305-01-175-3658 BACF34L4BS4HS, CA2118944HS, CA21189-4-4HS

Product Details | SOCKET HEAD CAP SCREW

5305-01-175-3658 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: BACF34L4BS4HS, CA2118944HS, CA21189-4-4HS, 5305-01-175-3658, 01-175-3658, 5305011753658, 011753658

Hardware and Abrasives | Screws

Supply Group (FSG)	NSN Assign.	NIIN	Item Name Code (INC)
53	30 MAR 1984	01-175-3658	16282 ( SCREW, CAP, SOCKET HEAD )

Drawings & Photos | NSN 5305-01-175-3658

Part Number	Request Date	QTY	Origin
BACF34L4BS4HS	2022-10-289	102	DIBBS
CA21189-4-4HS	2022-10-289	102	DIBBS
BACF34L4BS4HS	2022-06-173	32	DIBBS
CA21189-4-4HS	2022-06-173	32	DIBBS
BACF34L4BS4HS	2022-04-93	1199	DIBBS
CA21189-4-4HS	2022-04-93	1199	DIBBS
BACF34L4BS4HS	2022-03-79	1199	DIBBS
CA21189-4-4HS	2022-03-79	1199	DIBBS
BACF34L4BS4HS	2022-01-26	26	DIBBS
CA21189-4-4HS	2022-01-26	26	DIBBS
BACF34L4BS4HS	2021-12-353	26	DIBBS
CA21189-4-4HS	2021-12-353	26	DIBBS
BACF34L4BS4HS	2021-04-116	2331	DIBBS
CA21189-4-4HS	2021-04-116	2331	DIBBS
BACF34L4BS4HS	2021-04-103	2331	DIBBS
CA21189-4-4HS	2021-04-103	2331	DIBBS
BACF34L4BS4HS	2021-02-46	155	DIBBS
CA21189-4-4HS	2021-02-46	155	DIBBS
BACF34L4BS4HS	2020-11-310	2331	DIBBS
CA21189-4-4HS	2020-11-310	2331	DIBBS
BACF34L4BS4HS	2020-04-120	755	DIBBS
CA21189-4-4HS	2020-04-120	755	DIBBS
BACF34L4BS4HS	2020-04-112	755	DIBBS
CA21189-4-4HS	2020-04-112	755	DIBBS
5305-01-175-3658	2018-09-256	1017	DIBBS
5305-01-175-3658	2012-09-265	296	DIBBS
5305-01-175-3658	2012-09-248	600	DIBBS
5305-01-175-3658	2012-07-207	491	DIBBS
5305-01-175-3658	2012-05-131	621	DIBBS
5305-01-175-3658	2012-03-90	753	DIBBS
5305-01-175-3658	2011-12-339	491	DIBBS
5305-01-175-3658	2011-08-217	20	DIBBS
5305-01-175-3658	2011-08-217	453	DIBBS
5305-01-175-3658	2011-06-159	453	DIBBS
5305-01-175-3658	2011-05-123	20	DIBBS
5305-01-175-3658	2010-04-113	90	DIBBS
5305-01-175-3658	2010-04-96	93	DIBBS
5305-01-175-3658	2008-04-105	2022	DIBBS
5305-01-175-3658	2008-02-35	955	DIBBS

Cross Reference | NSN 5305-01-175-3658

Part Number	Cage Code	Manufacturer
BACF34L4BS4HS	81205	THE BOEING COMPANY DBA BOEING
CA21189-4-4HS	29372	ALCOA GLOBAL FASTENERS, INC. DBA ALCOA FASTENING SYSTEMS

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Related Products | NSN 5305-01-175-3658

5305-01-175-3659, 5305-01-175-3660, 5305-01-175-3661, 5305-01-175-3662, 5305-01-175-3665

Technical Data | NSN 5305-01-175-3658

Characteristic	Specifications
THREAD SERIES DESIGNATOR	UNF
NOMINAL THREAD DIAMETER	0.250 INCHES
THREAD QUANTITY PER INCH	28
THREAD CLASS	3A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	0.477 INCHES MINIMUM AND 0.636 INCHES MAXIMUM
FASTENER LENGTH	0.907 INCHES MINIMUM AND 0.927 INCHES MAXIMUM
MATERIAL	IRON ALLOY 660 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION	AMS 5737 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENT	PASSIVATE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
MINIMUM TENSILE STRENGTH	160000 POUNDS PER SQUARE INCH
HEAD STYLE	C50 FLAT COUNTERSUNK
HEAD DIAMETER	0.360 INCHES MINIMUM AND 0.404 INCHES MAXIMUM
COUNTERSINK ANGLE	99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
INTERNAL DRIVE STYLE	D5 HEXAGON
WIDTH ACROSS FLATS	0.1562 INCHES MINIMUM AND 0.1587 INCHES MAXIMUM
SURFACE FINISH	32.0 MICROINCHES GRIP
SPECIAL FEATURES	THREE SLOTS 0.040 IN. WIDE BY 0.029 IN. DEEP ALONG LONGITUDINAL AXIS AND 120 DEGREES APART,THREAD TO BE DOUBLE LEAD

Restrictions/Controls & Freight Information | NSN 5305-01-175-3658

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	KZ	Defense Supply Center Philadelphia Philadelphia, PA 19101
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 5305-01-175-3658

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	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	1 EA : Each