NSN 5325-01-173-3772 A3.5T26, A35T26, GS520B727W

Product Details | TURNLOCK FASTENER STUD

5325-01-173-3772 A pinlike item designed to turn within and be held in place by an EYELET, TURNLOCK FASTENER; RING, RETAINING; or the surface of the item it fastens. It is provided with either a cam slot, cam lead threads, or a hold for accommodating a pin. Securing is accomplished by mating with a LOCKSPRING, TURNLOCK FASTENER or RECEPTACLE, TURNLOCK FASTENER. It has either provisions to accommodate a knob or extension or has a head which has provisions to facilitate turning.

Part Alternates: A3.5T26, A35T26, GS520B727W, GS520B7-27W, 23512027C3C, 2351-20-27-C3C , 5325-01-173-3772, 01-173-3772, 5325011733772, 011733772

Hardware and Abrasives | Fastening Devices

Supply Group (FSG)	NSN Assign.	NIIN	Item Name Code (INC)
53	05 MAR 1984	01-173-3772	18421 ( STUD, TURNLOCK FASTENER )

Drawings & Photos | NSN 5325-01-173-3772

Part Number	Request Date	QTY	Origin
2351-20-27-C3C	2025-08-223	213	DIBBS
GS520B7-27W	2025-08-223	213	DIBBS
23512027C3C	2025-01-03	50	Canada
2351-20-27-C3C	2021-06-166	274	DIBBS
GS520B7-27W	2021-06-166	274	DIBBS
2351-20-27-C3C	2020-10-281	432	DIBBS
GS520B7-27W	2020-10-281	432	DIBBS
2351-20-27-C3C	2019-10-293	220	DIBBS
GS520B7-27W	2019-10-293	220	DIBBS
5325-01-173-3772	2018-01-31	121	DIBBS
5325-01-173-3772	2017-05-151	168	DIBBS
5325-01-173-3772	2016-08-232	179	DIBBS
5325-01-173-3772	2016-08-224	179	DIBBS
23512027C3C	2014-10-280	100	US
5325-01-173-3772	2012-03-76	684	DIBBS
5325-01-173-3772	2011-11-318	978	DIBBS
5325-01-173-3772	2011-09-249	97	DIBBS
5325-01-173-3772	2008-12-336	1355	DIBBS
5325-01-173-3772	2008-11-318	858	DIBBS
5325-01-173-3772	2008-11-317	359	DIBBS
5325-01-173-3772	2008-10-281	218	DIBBS

Cross Reference | NSN 5325-01-173-3772

Part Number	Cage Code	Manufacturer
2351-20-27-C3C	72794	SOUTHCO HONEOYE FALLS AEROSPACE FASTENERS DIVISION
A3.5T26	72794	SOUTHCO HONEOYE FALLS AEROSPACE FASTENERS DIVISION
A35T26	72794	SOUTHCO HONEOYE FALLS AEROSPACE FASTENERS DIVISION
GS520B7-27W	26512	NORTHROP GRUMMAN SYSTEMS CORPORATION DIV NORTHROP GRUMMAN AEROSPACE

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Related Products | NSN 5325-01-173-3772

5325-01-173-3773, 5325-01-173-3774, 5325-01-173-3775, 5325-01-173-3776, 5325-01-173-3778

Technical Data | NSN 5325-01-173-3772

Characteristic	Specifications
MATERIAL	STEEL OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION	SAE 2317 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENT	CADMIUM OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-416,TY 1,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
TURNLOCK STUD SHANK STYLE	1 STUD SHANK
GRIP LENGTH	0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM
SHANK NECK LENGTH	0.360 INCHES MINIMUM
STUD SHANK MAJOR DIAMETER	0.212 INCHES MINIMUM AND 0.217 INCHES MAXIMUM
TURNLOCK STUD HEAD STYLE	10 FILLISTER WING
HEAD LENGTH	0.865 INCHES MINIMUM AND 0.875 INCHES MAXIMUM
STUD HEAD HEIGHT	0.312 INCHES NOMINAL
SECURING DEVICE TYPE	RING
MATERIAL ACCOMMODATED THICKNESS	0.241 INCHES MINIMUM AND 0.270 INCHES MAXIMUM

Restrictions/Controls & Freight Information | NSN 5325-01-173-3772

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	066440	FASTENERS CURTAIN/SNAP METAL
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 5325-01-173-3772

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	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	A 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	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	A EA : Each