Product Details | MACHINE SCREW

5305-01-321-6226 An externally threaded fastener whose threaded portion is of one nominal diameter, No 0 (0.060 in./1.5 mm) or larger, designed to be held or driven with either a wrench or an inserted driver or both (excluding internal socket or internal multiple spline types), in sizes below No. 10 (0.190 in./5 mm). No. 10 and larger sizes must have a head designed for any type inserted driver (excluding internal socket or internal multiple spline types), but may also be designed for external wrenching. A locking feature may be incorporated in the design of the head or threads. Excludes BOLT, CLEVIS; BOLT, EXTERNALLY RELIEVED BODY; SCREW, EXTERNALLY RELIEVED BODY; and SCREW, ASSEMBLED WASHER. See also, SCREW, INSTRUMENT; BOLT, MACHINE; BOLT, INTERNAL WRENCHING; and SCREW, CAP SOCKET HEAD.

Part Alternates: FFS92, FF-S-92, 845-4687407-257 1.000IN SCREW, 84546874072571000INSCREW, 1/4-20UNC-3A X 1 IN. LG, 1420UNC3AX1INLG, 5305-01-321-6226, 01-321-6226, 5305013216226, 013216226

Hardware and Abrasives | Screws

Supply Group (FSG) NSN Assign. NIIN
53 20 JUN 1990 01-321-6226

Drawings & Photos | NSN 5305-01-321-6226


Demand History | NSN 5305-01-321-6226

Part Number Request Date QTY Origin
FFS92 2023-08-236 14 US
5305-01-321-6226 2023-05-145 3 DIBBS
5305-01-321-6226 2016-03-66 16 DIBBS
FF-S-92 2014-02-59 75 United States
FFS92 2011-02-49 5 US
FFS92 2011-02-49 50 US
FFS92 2010-11-323 165 US
FFS92 2009-12-338 100 US
FFS92 2009-10-292 50 United States
FFS92 2008-03-80 50 United States

Cross Reference | NSN 5305-01-321-6226

Part Number Cage Code Manufacturer
1/4-20UNC-3A X 1 IN. LG 80204 AMERICAN NATIONAL STANDARDS INSTITUTE, INCORPORATED
845-4687407-257 1.000IN SCREW 80064 NAVAL SHIP SYSTEMS COMMAND
FF-S-92 81348 FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES

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Technical Data | NSN 5305-01-321-6226

Characteristic Specifications
THREAD SERIES DESIGNATOR UNC
NOMINAL THREAD DIAMETER 0.250 INCHES
THREAD QUANTITY PER INCH 20
THREAD CLASS 3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH 0.797 INCHES MINIMUM AND 0.847 INCHES MAXIMUM
FASTENER LENGTH 1.000 INCHES NOMINAL
SCREW MATERIAL NICKEL ALLOY 400
SCREW MATERIAL DOCUMENT AND CLASSIFICATION QQ-N-281 CL A FED SPEC SINGLE MATERIAL RESPONSE
MINIMUM TENSILE STRENGTH 80000 POUNDS PER SQUARE INCH
HEAD STYLE A39 FLAT COUNTERSUNK
HEAD DIAMETER 0.452 INCHES MINIMUM AND 0.507 INCHES MAXIMUM
COUNTERSINK ANGLE 80.0 DEGREES MINIMUM AND 82.0 DEGREES MAXIMUM
INTERNAL DRIVE STYLE B10 SLOT
NONDEFINITIVE SPEC/STD DATA 1 TYPE AND 25 STYLE
MANUFACTURERS CODE 81348
NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE FF-S-92

Restrictions/Controls & Freight Information | NSN 5305-01-321-6226

Category Code Description
Shelf-Life Code:0Nondeteriorative
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.
Controlled Inventory Item Code:UUNCLASSIFIED
Precious Metals Indicator Code:AItem 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 139820 NICKEL BOLTS/NAILS/NUTS/RIVETS ETC
Less than car load rating
Less than truck load rating M 85.0
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 5305-01-321-6226

Category Code Description
Cognizance Codes9BNavy-owned stocks of DLA material
Naval Inventory Control Point, Mechanicsburg
Source of SupplySMSDefense Logistics Agency
Enterprise Business Systems
AgencyDNDepartment of the Navy
Service OrganizationNU.S. Navy
Acquisition Advice CodesJNOT STOCKED, CENTRALLY PROCURED # (NON-STOCKED ITEMS) IMM/Service centrally managed but not stocked item. Procurement will be initiated only after receipt of a requisition.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
1
EA : Each