The Stud,lock Pin Fastener, cataloged under National Stock Number 5325-01-127-1606, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. Government technical data includes 10 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5325-01-127-1606 |
| Item Name | Stud,lock Pin Fastener |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Status | ACTIVE |
| Fastener Stud Shank Length | 0.243 INCHES NOMINAL IN |
| Length From Body Shoulder to Hole Center | 0.059 INCHES MINIMUM AND 0.065 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | MIL-C-13924 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Fastener Stud Shank Diameter | 0.017 INCHES MINIMUM AND 0.023 INCHES MAXIMUM IN |
| Material Document and Classification | QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Stud Body Diameter | 0.1235 INCHES MINIMUM AND 0.1265 INCHES MAXIMUM IN |
| Surface Treatment | OXIDE FILM OVERALL |
| Pinhole Diameter | 0.086 INCHES NOMINAL IN |
| Material | STEEL COMP 302 OR STEEL COMP 304 OR STEEL COMP 305 OR STEEL COMP 316 OR STEEL COMP 430 OVERALL |
| Length From Body Hole Center to Body End | 0.132 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 202126 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5325-01-127-1606 is a Stud,lock Pin Fastener, classified under FSC 5325, Fastening Devices. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 2530-01-306-1061. Verify interchangeability with system specifications before substitution.
Key specifications for 5325-01-127-1606: Fastener Stud Shank Length: 0.243 INCHES NOMINAL IN; Length From Body Shoulder to Hole Center: 0.059 INCHES MINIMUM AND 0.065 INCHES MAXIMUM IN; Surface Treatment Document and Classification: MIL-C-13924 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL; Fastener Stud Shank Diameter: 0.017 INCHES MINIMUM AND 0.023 INCHES MAXIMUM IN. 10 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.