The Stud,turnlock Fastener, cataloged under National Stock Number 5325-00-281-5098, is classified within Federal Supply Class 5325 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Southco Inc. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 5 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 | 5325-00-281-5098 |
| Primary Part Number | 121J-450-Z3C |
| Item Name | Stud,turnlock Fastener |
| FSC / FSG | 5325 / 53 — No Item Name Available |
| Manufacturer | Southco Inc |
| Status | CANCELLED |
| Shank Neck Length | 0.250 INCHES NOMINAL IN |
| Turnlock Stud Head Style | FILLISTER |
| Turnlock Stud Shank Style | STUD SHANK |
| Material Accommodated Thickness | 0.322 INCHES MINIMUM AND 0.347 INCHES MAXIMUM IN |
| Diameter | 0.438 INCHES NOMINAL IN |
| Surface Treatment | CADMIUM OVERALL |
| Grip Length | 0.500 INCHES NOMINAL IN |
| Drive Type | SLOTTED |
| Stud Shank Major Diameter | 0.250 INCHES NOMINAL IN |
| Material | STEEL OVERALL |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 2688-2 | Lockheed Martin Corp (USA) |
| AJ4-50 | Southco Inc (USA) |
| 121J-450-Z3C PRIMARY | Southco Inc (USA) |
| AJ4-50 | Southco Manufacturing Ltd (GBR) |
| 1264-1306-11 | Bae Systems Information and Electronic Systems Integration Inc. (USA) |
| AJ4-50 | Dzus France Sa (FRA) |
NSN 5325-00-281-5098 is a Stud,turnlock Fastener, manufactured by Southco Inc, classified under FSC 5325 (No Item Name Available). Status: cancelled.
NSN 5325-00-281-5098 has 6 cross-referenced part numbers: 2688-2 (Lockheed Martin Corp), AJ4-50 (Southco Inc), 121J-450-Z3C (Southco Inc), AJ4-50 (Southco Manufacturing Ltd), 1264-1306-11 (Bae Systems Information and Electronic Systems Integration Inc.) and 1 more.
There are 3 known substitutes for 5325-00-281-5098: 3110-00-100-3553, 5305-00-425-1983, 5930-00-581-6030. Verify interchangeability with system specifications before substitution.
Key specifications for 121J-450-Z3C: Shank Neck Length: 0.250 INCHES NOMINAL IN; Turnlock Stud Head Style: FILLISTER; Turnlock Stud Shank Style: STUD SHANK; Material Accommodated Thickness: 0.322 INCHES MINIMUM AND 0.347 INCHES MAXIMUM IN. 10 total characteristics are documented in the Federal Logistics Information System.
NSN 5325-00-281-5098 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.