The Stud,turnlock Fastener, cataloged under National Stock Number 5325-00-281-2172, 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 13 commercial cross-references from 9 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 5325-00-281-2172 |
| Primary Part Number | 121J-530-Z3CT |
| Item Name | Stud,turnlock Fastener |
| FSC / FSG | 5325 / 53 — No Item Name Available |
| Manufacturer | Southco Inc |
| Status | CANCELLED |
| Surface Treatment | CADMIUM OVERALL |
| Grip Length | 0.300 INCHES NOMINAL IN |
| Drive Type | SLOTTED |
| Material Accommodated Thickness | 0.122 INCHES MINIMUM AND 0.147 INCHES MAXIMUM IN |
| Turnlock Stud Head Style | FILLISTER |
| Material | STEEL OVERALL |
| Turnlock Stud Shank Style | STUD SHANK |
| Diameter | 0.563 INCHES NOMINAL IN |
| Stud Shank Major Diameter | 0.313 INCHES NOMINAL IN |
| Shank Neck Length | 0.100 INCHES NOMINAL IN |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 121J-530-Z3C | Southco Inc (USA) |
| 1201-530-Z3C | Southco Inc (USA) |
| 974AS221 | Zf Industrieantriebe Witten Gmbh (DEU) |
| FS1084 | Bae Systems Information and Electronic Systems Integration Inc. (USA) |
| A5-30 | Southco Manufacturing Ltd (GBR) |
| 5800583-094301-011 | Hensoldt Sensors Gmbh (DEU) |
| 012-3000-000 | Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems (USA) |
| FAS11-50 | Hughes Missile Systems Co San Diego (USA) |
| LS2674-2 | Lockheed Martin Corp (USA) |
| AJ5-30 | Southco Inc (USA) |
| 121J-530-Z3CT PRIMARY | Southco Inc (USA) |
| A5-30 | Southco Inc (USA) |
| 570935 | Herley Chicago Dba Stewart Warner Electronics (USA) |
NSN 5325-00-281-2172 is a Stud,turnlock Fastener, manufactured by Southco Inc, classified under FSC 5325 (No Item Name Available). Status: cancelled.
NSN 5325-00-281-2172 has 13 cross-referenced part numbers: 121J-530-Z3C (Southco Inc), 1201-530-Z3C (Southco Inc), 974AS221 (Zf Industrieantriebe Witten Gmbh), FS1084 (Bae Systems Information and Electronic Systems Integration Inc.), A5-30 (Southco Manufacturing Ltd) and 8 more.
There are 9 known substitutes for 5325-00-281-2172: 5935-00-254-9192, 5360-00-265-3685, 3610-00-326-5583 and 6 more. Verify interchangeability with system specifications before substitution.
Key specifications for 121J-530-Z3CT: Surface Treatment: CADMIUM OVERALL; Grip Length: 0.300 INCHES NOMINAL IN; Drive Type: SLOTTED; Material Accommodated Thickness: 0.122 INCHES MINIMUM AND 0.147 INCHES MAXIMUM IN. 11 total characteristics are documented in the Federal Logistics Information System.
NSN 5325-00-281-2172 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.