The Stud,turnlock Fastener, cataloged under National Stock Number 5325-01-130-2571, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. The manufacturer of record is Grimes Aerospace Company. Government technical data includes 12 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5325-01-130-2571 |
| Primary Part Number | 55-1100-1 |
| Item Name | Stud,turnlock Fastener |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | Grimes Aerospace Company |
| Status | ACTIVE |
| Surface Treatment Document and Classification | QQ-P-416,TYPE 2,CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE BARREL |
| Drive Type | SOCKET |
| Material Accommodated Thickness | 0.150 INCHES NOMINAL IN |
| Turnlock Stud Shank Style | STUD SHANK |
| Diameter | 0.812 INCHES NOMINAL IN |
| Shank Neck Length | 0.150 INCHES NOMINAL IN |
| Securing Device Type | SPRING |
| Turnlock Stud Head Style | FLAT COUNTERSUNK |
| Stud Shank Major Diameter | 0.137 INCHES NOMINAL IN |
| Surface Treatment | CADMIUM LOCKSPRING |
| Material | STEEL BARREL |
| Grip Length | 0.350 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 |
| Part Number | Manufacturer |
|---|---|
| 55-1100-1 | Grimes Aerospace Company (USA) |
| Reference | Meaning |
|---|---|
| AJ3-35I8 | 3/9 Design control — primary reference Southco Inc |
| 10119237 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
NSN 5325-01-130-2571 is a Stud,turnlock Fastener, manufactured by Grimes Aerospace Company, classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-01-130-2571 has 1 manufacturer part number on file: 55-1100-1 (Grimes Aerospace Company).
Key specifications for 55-1100-1: Surface Treatment Document and Classification: QQ-P-416,TYPE 2,CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE BARREL; Drive Type: SOCKET; Material Accommodated Thickness: 0.150 INCHES NOMINAL IN; Turnlock Stud Shank Style: STUD SHANK. 12 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.