The Stud,turnlock Fastener, cataloged under National Stock Number 5325-01-054-2770, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. Government technical data includes 11 specifications, cited from the U.S. Government catalog. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5325-01-054-2770 |
| Item Name | Stud,turnlock Fastener |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Status | ACTIVE |
| Drive Type | SLOTTED |
| Turnlock Stud Shank Style | STUD SHANK |
| Extension Length | 0.062 INCHES NOMINAL IN |
| Diameter | 0.452 INCHES NOMINAL IN |
| Stud Head Height | 0.375 INCHES NOMINAL IN |
| Turnlock Stud Head Style | KNURLED |
| Stud Shank Major Diameter | 0.266 INCHES NOMINAL IN |
| Minor Diameter | 0.211 INCHES NOMINAL IN |
| Material | STEEL CORROSION RESISTING OVERALL |
| Stud Thread Size and Series/type Designator | 0.138-32 UNIFIED NATIONAL COARSE (UNC) |
| Grip Length | 0.188 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 |
|---|---|
| 47-10-202-10 | 3/2 Design control — primary reference U.S. Government activity |
| 7136828-1 | C/1 Advisory reference — outside the item-of-supply concept Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp |
| 10513-1 | 7/2 Vendor item drawing reference Aimtron Systems, Llc |
| 136209-13 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
| 10513-1 | 5/9 Secondary reference Cardion Inc |
NSN 5325-01-054-2770 is a Stud,turnlock Fastener, classified under FSC 5325, Fastening Devices. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 3110-01-423-0008. Verify interchangeability with system specifications before substitution.
Key specifications for 5325-01-054-2770: Drive Type: SLOTTED; Turnlock Stud Shank Style: STUD SHANK; Extension Length: 0.062 INCHES NOMINAL IN; Diameter: 0.452 INCHES NOMINAL 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.