The Stud,turnlock Fastener, cataloged under National Stock Number 5325-01-142-8730, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. The manufacturer of record is Amphenol Cable and Interconnect Technologies, Inc.. Government technical data includes 11 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5325-01-142-8730 |
| Primary Part Number | 259620 |
| Item Name | Stud,turnlock Fastener |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | Amphenol Cable and Interconnect Technologies, Inc. |
| Status | ACTIVE |
| Surface Treatment Document and Classification | QQ-P-416,TYPE 2,CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Drive Type | SLOTTED |
| Turnlock Stud Shank Style | STUD SHANK |
| Diameter | 0.302 INCHES MINIMUM AND 0.322 INCHES MAXIMUM IN |
| Shank Neck Length | 0.065 INCHES MINIMUM AND 0.085 INCHES MAXIMUM IN |
| Securing Device Type | EYELET |
| Turnlock Stud Head Style | FILLISTER |
| Stud Shank Major Diameter | 0.182 INCHES MINIMUM AND 0.187 INCHES MAXIMUM IN |
| Surface Treatment | CADMIUM OVERALL |
| Material | STEEL OVERALL |
| Grip Length | 0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 121J-325-Z3B | Southco Inc (USA) |
| 259620 PRIMARY | Amphenol Cable and Interconnect Technologies, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 10119283 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
| AJ3-25ZBB | 5/9 Secondary reference Southco Inc |
| AJ3-25BLACKIRIDETE | 5/9 Secondary reference Southco Inc |
| 5016811-1 | 5/9 Secondary reference Sci Systems Inc |
NSN 5325-01-142-8730 is a Stud,turnlock Fastener, manufactured by Amphenol Cable and Interconnect Technologies, Inc., classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-01-142-8730 has 2 manufacturer part numbers on file: 121J-325-Z3B (Southco Inc), 259620 (Amphenol Cable and Interconnect Technologies, Inc.).
1 possible match (shared part number, not a government interchangeability claim): 5325-01-471-7467. Verify interchangeability with system specifications before substitution.
Key specifications for 259620: Surface Treatment Document and Classification: QQ-P-416,TYPE 2,CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Drive Type: SLOTTED; Turnlock Stud Shank Style: STUD SHANK; Diameter: 0.302 INCHES MINIMUM AND 0.322 INCHES MAXIMUM IN. 11 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.