The Screw,cap,socket Head, cataloged under National Stock Number 5305-00-137-3071, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use. Government technical data includes 22 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-00-137-3071 |
| Primary Part Number | MS21262-60 |
| Item Name | Screw,cap,socket Head |
| FSC / FSG | 5305 / 53 — No Item Name Available |
| Manufacturer | National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use |
| Status | ACTIVE |
| Head Diameter | 0.735 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-P-416,TY 2,CL 3 FED SPEC ALL TREATMENT RESPONSES OVERALL |
| Thread Length | 0.885 INCHES MINIMUM AND 1.031 INCHES MAXIMUM IN |
| Nondefinitive Spec/std Data | 6 TYPE |
| Surface Treatment | CADMIUM AND CHROMATE OVERALL |
| Material Document and Classification | 66 FED STD SINGLE MATERIAL RESPONSE OVERALL |
| Minimum Yield Strength | 130000 POUNDS PER SQUARE INCH LBS |
| Nominal Thread Diameter | 0.500 INCHES IN |
| Hardness Rating | 36.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM OVERALL |
| Minimum Tensile Strength | 160000 POUNDS PER SQUARE INCH LBS |
| Internal Drive Style | HEXAGON |
| Thread Series Designator | UNF |
| Departure From Cited Designator | AS MODIFIED BY LOCKING FEATURE |
| Thread Direction | RIGHT-HAND |
| Fastener Length | 0.985 INCHES MINIMUM AND 1.031 INCHES MAXIMUM IN |
| Material | STEEL OVERALL |
| Locking Feature | STRIP THREADS |
| Head Style | FLAT CHAMFER |
| Width Across Flats | 0.375 INCHES MINIMUM AND 0.379 INCHES MAXIMUM IN |
| Thread Quantity Per Inch | 20 |
| Thread Class | 3A A |
| Head Height | 0.492 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| FFS86 | Federal Specifications Promulgated by General Services Administration Washington DC (USA) |
| MIL-F-18240E | Federal Specifications Promulgated by General Services Administration Washington DC (USA) |
| MS21262-60 PRIMARY | National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use (USA) |
| MS21262-60 | Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M |
| LK21262-60 | Torkon Fastener Corp (USA) |
NSN 5305-00-137-3071 is a Screw,cap,socket Head, manufactured by National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use, classified under FSC 5305 (No Item Name Available). Status: active.
NSN 5305-00-137-3071 has 5 cross-referenced part numbers: FFS86 (Federal Specifications Promulgated by General Services Administration Washington DC), MIL-F-18240E (Federal Specifications Promulgated by General Services Administration Washington DC), MS21262-60 (National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use), MS21262-60 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), LK21262-60 (Torkon Fastener Corp).
There are 11 known substitutes for 5305-00-137-3071: 5305-00-063-5288, 5305-00-075-3633, 5305-00-184-2667 and 8 more. Verify interchangeability with system specifications before substitution.
Key specifications for MS21262-60: Head Diameter: 0.735 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN; Surface Treatment Document and Classification: QQ-P-416,TY 2,CL 3 FED SPEC ALL TREATMENT RESPONSES OVERALL; Thread Length: 0.885 INCHES MINIMUM AND 1.031 INCHES MAXIMUM IN; Nondefinitive Spec/std Data: 6 TYPE. 22 total characteristics are documented in the Federal Logistics Information System.