The Screw,cap,hexagon Head, cataloged under National Stock Number 5305-00-721-5666, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Federal Specifications Promulgated by General Services Administration Washington DC. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 5305-00-721-5666 |
| Primary Part Number | FFS85TYPE2STYLE10 |
| Item Name | Screw,cap,hexagon Head |
| FSC / FSG | 5305 / 53 — No Item Name Available |
| Manufacturer | Federal Specifications Promulgated by General Services Administration Washington DC |
| Status | CANCELLED |
| Head Height | 0.302 INCHES MINIMUM AND 0.323 INCHES MAXIMUM IN |
| Material | STEEL COMP 302 OR STEEL COMP 303 OR STEEL COMP 304 OR STEEL COMP 305 OR STEEL COMP 316 OVERALL |
| Material Document and Classification | 66 FED STD ALL MATERIAL RESPONSES OVERALL |
| Thread Quantity Per Inch | 13 |
| Surface Treatment | PASSIVATE OVERALL |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Nominal Thread Diameter | 0.500 INCHES IN |
| Fastener Length | 5.500 INCHES NOMINAL IN |
| Thread Length | 1.250 INCHES MINIMUM AND 1.440 INCHES MAXIMUM IN |
| Minimum Tensile Strength | 80000 POUNDS PER SQUARE INCH LBS |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Thread Class | 2A A |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Width Between Flats | 0.736 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| FFS85TYPE2STYLE10 | Federal Specifications Promulgated by General Services Administration Washington DC (USA) |
| MS35307-428 | Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M |
| 28414 | Zf Industrieantriebe Witten Gmbh (DEU) |
NSN 5305-00-721-5666 is a Screw,cap,hexagon Head, manufactured by Federal Specifications Promulgated by General Services Administration Washington DC, classified under FSC 5305 (No Item Name Available). Status: cancelled.
NSN 5305-00-721-5666 has 3 cross-referenced part numbers: FFS85TYPE2STYLE10 (Federal Specifications Promulgated by General Services Administration Washington DC), MS35307-428 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), 28414 (Zf Industrieantriebe Witten Gmbh).
There are 7 known substitutes for 5305-00-721-5666: 5120-00-001-3733, 3030-00-990-2403, 3120-01-142-2944 and 4 more. Verify interchangeability with system specifications before substitution.
Key specifications for FFS85TYPE2STYLE10: Head Height: 0.302 INCHES MINIMUM AND 0.323 INCHES MAXIMUM IN; Material: STEEL COMP 302 OR STEEL COMP 303 OR STEEL COMP 304 OR STEEL COMP 305 OR STEEL COMP 316 OVERALL; Material Document and Classification: 66 FED STD ALL MATERIAL RESPONSES OVERALL; Thread Quantity Per Inch: 13. 15 total characteristics are documented in the Federal Logistics Information System.
NSN 5305-00-721-5666 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.