The Bolt,machine, cataloged under National Stock Number 5306-00-042-6921, is classified within Federal Supply Class 5306 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is General Motors Llc Dba General Motors Llc. Government technical data includes 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 10 commercial cross-references from 9 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 5306-00-042-6921 |
| Primary Part Number | 426921 |
| Item Name | Bolt,machine |
| FSC / FSG | 5306 / 53 — No Item Name Available |
| Manufacturer | General Motors Llc Dba General Motors Llc |
| Status | CANCELLED |
| Head Height | 0.172 INCHES NOMINAL IN |
| Fastener Length | 2.000 INCHES NOMINAL IN |
| Thread Direction | RIGHT-HAND |
| Features Provided | UNFINISHED HEAD |
| Nominal Thread Diameter | 0.250 INCHES IN |
| Thread Quantity Per Inch | 20 |
| Specification/standard Data | 05047-ASME B18.2.1 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Surface Treatment | ZINC OVERALL |
| Material Document and Classification | 66 FED STD ALL MATERIAL RESPONSES OVERALL |
| Thread Length | 0.750 INCHES MINIMUM IN |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Thread Class | 2A A |
| Material | STEEL COMP 1008 OR STEEL COMP 1009 OR STEEL COMP 1010 OR STEEL COMP 1011 OVERALL |
| Surface Treatment Document and Classification | ASTM B633 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Head Style | SQUARE |
| Width Between Flats | 0.375 INCHES NOMINAL IN |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 426921 | General Motors Corp (USA) |
| 426921 | Army Weapons Command Attn Amswe-Ree-S (USA) |
| MS35190-291 | Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M |
| FF-B-575 | Federal Specifications Promulgated by General Services Administration Washington DC (USA) |
| FF-B-575 TY1 | General Services Administration Federal Supply Service (USA) |
| ASME B18.2.1 | The American Society of Mechanical Engineers (USA) |
| 426921 PRIMARY | General Motors Llc Dba General Motors Llc (USA) |
| MS35355-5 | Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M |
| B18.2.1 | American National Standards Institute Incorporated Dba American National Standards Institute (USA) |
| 1-4 20X2IN | Gage Co the (USA) |
NSN 5306-00-042-6921 is a Bolt,machine, manufactured by General Motors Llc Dba General Motors Llc, classified under FSC 5306 (No Item Name Available). Status: cancelled.
NSN 5306-00-042-6921 has 10 cross-referenced part numbers: 426921 (General Motors Corp), 426921 (Army Weapons Command Attn Amswe-Ree-S), MS35190-291 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), FF-B-575 (Federal Specifications Promulgated by General Services Administration Washington DC), FF-B-575 TY1 (General Services Administration Federal Supply Service) and 5 more.
There are 12 known substitutes for 5306-00-042-6921: 5306-00-011-1195, 5306-00-013-1303, 5306-00-018-6682 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for 426921: Head Height: 0.172 INCHES NOMINAL IN; Fastener Length: 2.000 INCHES NOMINAL IN; Thread Direction: RIGHT-HAND; Features Provided: UNFINISHED HEAD. 17 total characteristics are documented in the Federal Logistics Information System.
NSN 5306-00-042-6921 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.