NSN 5305-01-252-5291 FF-S-86 TY 6, FFS86TY6, MILS1222

Product Details | SOCKET HEAD CAP SCREW

5305-01-252-5291 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: FF-S-86 TY 6, FFS86TY6, MILS1222, MIL-S-1222, 1/4-20UNC-2AX3/ 4"LG TYII GR316 , 1/4-20UNC-2AX3/ 4inchLG TYII GR316, 125405, 125-405, 1420UNC2AX34inchLGTYIIGR316, 1420UNC2AX34INLGTY2GR316, 1420UNC2AX34LGTYIIGR316, 5305-01-252-5291, 01-252-5291, 5305012525291, 012525291

Hardware and Abrasives | Screws

Supply Group (FSG)	NSN Assign.	NIIN	Item Name Code (INC)
53	03 APR 1987	01-252-5291	16282 ( SCREW, CAP, SOCKET HEAD )

Drawings & Photos | NSN 5305-01-252-5291

Part Number	Request Date	QTY	Origin
MILS1222	2025-01-22	8	United States
MILS1222	2025-01-22	8	United States
FFS86TY6	2021-01-08	2	United States
FFS86TY6	2021-01-08	12	United States
MILS1222	2015-03-89	3000	BH
5305-01-252-5291	2014-09-258	11	DIBBS
MILS1222	2014-08-230	1	US
5305-01-252-5291	2014-06-177	1	DIBBS
5305-01-252-5291	2014-06-177	10	DIBBS
MILS1222	2012-07-209	4	United States
MILS1222	2012-03-74	1	US
MILS1222	2011-02-49	3	US
MILS1222	2011-02-49	4	US
MILS1222	2011-02-49	5	US
MILS1222	2011-02-49	10	US
MILS1222	2011-02-49	18	US
MILS1222	2011-02-49	35	US
MILS1222	2011-02-49	40	US
MILS1222	2011-02-49	42	US
MILS1222	2011-02-49	185	US
MILS1222	2011-02-49	195	US
FFS86TY6	2010-10-287	14	US

Cross Reference | NSN 5305-01-252-5291

Part Number	Cage Code	Manufacturer
1/4-20UNC-2AX3/ 4"LG TYII GR316	D9182	BOSCH REXROTH GMBH LOHMANN +STOLTERFOHT
1/4-20UNC-2AX3/4IN,LGTY2GR316	81348	FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES
125-405	6F724	TACOMA SCREW PRODUCTS, INC.
FF-S-86 TY 6	81348	FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES

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Related Products | NSN 5305-01-252-5291

5305-01-252-5292, 5305-01-252-5293, 5305-01-252-6017, 5305-01-252-6443, 5305-01-252-6444

Technical Data | NSN 5305-01-252-5291

Characteristic	Specifications
THREAD SERIES DESIGNATOR	UNC
NOMINAL THREAD DIAMETER	0.250 INCHES
THREAD QUANTITY PER INCH	20
THREAD CLASS	2A
THREAD DIRECTION	RIGHT-HAND
FASTENER LENGTH	0.750 INCHES NOMINAL
MATERIAL	STEEL COMP 316 OVERALL
SURFACE TREATMENT	PASSIVATE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
HARDNESS RATING	80.0 ROCKWELL B MINIMUM OVERALL
MINIMUM TENSILE STRENGTH	70000 POUNDS PER SQUARE INCH
HEAD STYLE	C49 FLAT CHAMFER
INTERNAL DRIVE STYLE	D5 HEXAGON
MANUFACTURERS CODE	81348
NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE	FF-S-86 TY 6
MANUFACTURERS CODE	6F724
DESIGN CONTROL REFERENCE	125-405

Restrictions/Controls & Freight Information | NSN 5305-01-252-5291

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	573	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 5305-01-252-5291

Navy

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	Y	TERMINAL ITEM #(NON-STOCKED ITEMS) Future procurement is not authorized. No wholesale stock is available for issue. 1. Requisitions will not be processed to the wholesale manager. 2. Internal Service/agency requisitioning may be continued in accordance with the Service/agency requisitioning policies.
Controlled Item Code	U	UNCLASSIFIED
Shelf Life Code	0	Nondeteriorative
Purchasing	QTY UOM	1 EA : Each