The Setscrew, cataloged under National Stock Number 5305-00-809-9385, 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 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 8 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 5305-00-809-9385 |
| Primary Part Number | MS51021-60 |
| Item Name | Setscrew |
| 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 | CANCELLED |
| Head Style | HEADLESS (SETSCREW) |
| Surface Treatment | PASSIVATE OVERALL |
| Material | STEEL COMP 302 OR STEEL COMP 303 OR STEEL COMP 304 OR STEEL COMP 316 OVERALL |
| Material Document and Classification | 66 FED STD ALL MATERIAL RESPONSES OVERALL |
| Thread Quantity Per Inch | 20 |
| Nominal Thread Diameter | 0.250 INCHES IN |
| Width Across Flats | 0.125 INCHES MINIMUM AND 0.127 INCHES MAXIMUM IN |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Fastener Length | 0.500 INCHES NOMINAL IN |
| Thread Class | 3A A |
| Point Style | CUP |
| Internal Drive Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Thread Length | 0.500 INCHES MAXIMUM IN |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| MS51021-60 | Goriziane Group Spa (ITA) |
| 108142 | Lockheed Martin Sippican, Inc. Div Lockheed Martin Marion (USA) |
| 109A2-X-5 | Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging (USA) |
| MS51021-60 | Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M |
| B-0494-6 | Montreal Bronze Ltd Dba Les Fonderies De Bronze Montr?al (CAN) |
| SS-472-4491221-34 | Naval Ship Engineering Center Philadelphia Division Submarine Antenna Quality Assurance (USA) |
| MS51021-60 PRIMARY | National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use (USA) |
| 003-07941-060 | Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple (USA) |
NSN 5305-00-809-9385 is a Setscrew, 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: cancelled.
NSN 5305-00-809-9385 has 8 cross-referenced part numbers: MS51021-60 (Goriziane Group Spa), 108142 (Lockheed Martin Sippican, Inc. Div Lockheed Martin Marion), 109A2-X-5 (Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging), MS51021-60 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), B-0494-6 (Montreal Bronze Ltd Dba Les Fonderies De Bronze Montr?al) and 3 more.
There are 3 known substitutes for 5305-00-809-9385: 5905-00-121-9859, 5950-00-811-4809, 6640-01-677-7073. Verify interchangeability with system specifications before substitution.
Key specifications for MS51021-60: Head Style: HEADLESS (SETSCREW); Surface Treatment: PASSIVATE OVERALL; End Item Identification: MULTIPLE LAUNCH ROCKET SYSTEM (MLRS); Material: STEEL COMP 302 OR STEEL COMP 303 OR STEEL COMP 304 OR STEEL COMP 316 OVERALL. 16 total characteristics are documented in the Federal Logistics Information System.
NSN 5305-00-809-9385 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.