The Setscrew, cataloged under National Stock Number 5305-01-300-2926, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Lockheed Martin Corp. Government technical data includes 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-300-2926 |
| Primary Part Number | 129303-1 |
| Item Name | Setscrew |
| FSC / FSG | 5305 / 53 — No Item Name Available |
| Manufacturer | Lockheed Martin Corp |
| Status | ACTIVE |
| Head Diameter | 0.175 INCHES MINIMUM AND 0.177 INCHES MAXIMUM IN |
| Reference Number Differentiating Characteristics | AS DIFFERENTIATED BY MATERIAL WHICH MUST CONFORM TO SHIPS PARTS CONTROL CENTER SPECIAL QUALITY CONTROL PROVISIONS AND CERTIFIED FREE FROM MERCURY CONTAMINAT |
| Fastener Length | 0.452 INCHES MINIMUM AND 0.466 INCHES MAXIMUM IN |
| Head Height | 0.624 INCHES MINIMUM AND 0.638 INCHES MAXIMUM IN |
| Criticality Code Justification | ZZZY |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 129303-1 | Lockheed Martin Corp (USA) |
| LL-HQ5-9137 | Defense Logistics Agency Dba Defense Supply Center Philadelphia (USA) |
NSN 5305-01-300-2926 is a Setscrew, manufactured by Lockheed Martin Corp, classified under FSC 5305 (No Item Name Available). Status: active.
NSN 5305-01-300-2926 has 2 cross-referenced part numbers: 129303-1 (Lockheed Martin Corp), LL-HQ5-9137 (Defense Logistics Agency Dba Defense Supply Center Philadelphia).
There are 2 known substitutes for 5305-01-300-2926: 5305-01-294-6344, 5970-01-332-8835. Verify interchangeability with system specifications before substitution.
Key specifications for 129303-1: Head Diameter: 0.175 INCHES MINIMUM AND 0.177 INCHES MAXIMUM IN; Reference Number Differentiating Characteristics: AS DIFFERENTIATED BY MATERIAL WHICH MUST CONFORM TO SHIPS PARTS CONTROL CENTER SPECIAL QUALITY CONTROL PROVISIONS AND CERTIFIED FREE FROM MERCURY CONTAMINAT; Fastener Length: 0.452 INCHES MINIMUM AND 0.466 INCHES MAXIMUM IN; Head Height: 0.624 INCHES MINIMUM AND 0.638 INCHES MAXIMUM IN. 5 total characteristics are documented in the Federal Logistics Information System.