Product Details | SOCKET HEAD CAP SCREW

5305-01-277-3187 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: FFS92, FF-S-92, FF-S-92 TY1 STY LEIS, FFS92TY1STYLEIS, MIL-F-18240 .25-20UNC-2A-.625LG, MILF182402520UNC2A625LG, 5305-01-277-3187, 01-277-3187, 5305012773187, 012773187

Hardware and Abrasives | Screws

Supply Group (FSG) NSN Assign. NIIN
53 20 APR 1988 01-277-3187

Drawings & Photos | NSN 5305-01-277-3187


Demand History | NSN 5305-01-277-3187

Part Number Request Date QTY Origin
FFS92 2023-08-236 14 US
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 5305-01-277-3187

Part Number Cage Code Manufacturer
FF-S-92 81348 FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES
FF-S-92 TY1 STY LEIS D9182 BOSCH REXROTH GMBH LOHMANN +STOLTERFOHT
MIL-F-18240 .25-20UNC-2A-.625LG 81349 MILITARY SPECIFICATIONS PROMULGATED BY MILITARY

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Technical Data | NSN 5305-01-277-3187

Characteristic Specifications
THREAD SERIES DESIGNATOR UNC
NOMINAL THREAD DIAMETER 0.250 INCHES
THREAD QUANTITY PER INCH 20
THREAD CLASS 2A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH 0.525 INCHES MINIMUM AND 0.625 INCHES MAXIMUM
FASTENER LENGTH 0.625 INCHES NOMINAL
MATERIAL PLASTIC POLYAMIDE LOCKING FEATURE STEEL COMP 304 FASTENER
MATERIAL DOCUMENT AND CLASSIFICATION QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE FASTENER
SURFACE TREATMENT PASSIVATE FASTENER
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE FASTENER
MINIMUM TENSILE STRENGTH 80000 POUNDS PER SQUARE INCH
HEAD STYLE C33 PAN NO. 2
HEAD DIAMETER 0.944 INCHES MINIMUM AND 1.000 INCHES MAXIMUM
HEAD HEIGHT 0.411 INCHES MINIMUM AND 0.438 INCHES MAXIMUM
INTERNAL DRIVE STYLE D14 SLOT
LOCKING FEATURE PATCH OR STRIP THREADS
NONDEFINITIVE SPEC/STD DATA 1 TYPE AND 1S STYLE
MANUFACTURERS CODE 81348
NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE FF-S-92

Restrictions/Controls & Freight Information | NSN 5305-01-277-3187

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 096640 SCREWS, IRON OR STEEL
Less than car load rating
Less than truck load rating Q 70.0
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 5305-01-277-3187

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