The Stud,turnlock Fastener, cataloged under National Stock Number 5325-01-253-0490, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. The manufacturer of record is North Atlantic Industries, Inc. Dba North Atlantic Industries. 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5325-01-253-0490 |
| Primary Part Number | 882841 |
| Item Name | Stud,turnlock Fastener |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | North Atlantic Industries, Inc. Dba North Atlantic Industries |
| Status | ACTIVE |
| Drive Type | CROSS RECESS |
| Material Accommodated Thickness | 0.350 INCHES MINIMUM AND 0.369 INCHES MAXIMUM IN |
| Turnlock Stud Shank Style | STUD SHANK |
| Diameter | 0.375 INCHES NOMINAL IN |
| Stud Head Height | 0.090 INCHES NOMINAL IN |
| Shank Neck Length | 0.387 INCHES NOMINAL IN |
| Securing Device Type | RING |
| Turnlock Stud Head Style | FILLISTER COUNTERSUNK |
| Stud Shank Major Diameter | 0.240 INCHES NOMINAL IN |
| Surface Treatment | ZINC OVERALL |
| Material | STEEL OVERALL |
| Grip Length | 0.505 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 |
|---|---|
| 882841 PRIMARY | North Atlantic Industries, Inc. Dba North Atlantic Industries (USA) |
| Reference | Meaning |
|---|---|
| 82-19-360-20 | 5/2 Secondary reference U.S. Government activity |
| 882841 | 5/9 Secondary reference Nai Technologies Inc |
| 82-19-360-16 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
NSN 5325-01-253-0490 is a Stud,turnlock Fastener, manufactured by North Atlantic Industries, Inc. Dba North Atlantic Industries, classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-01-253-0490 has 1 manufacturer part number on file: 882841 (North Atlantic Industries, Inc. Dba North Atlantic Industries).
2 possible matches (shared part number, not a government interchangeability claim): 5325-01-457-8595, 4730-01-508-8971. Verify interchangeability with system specifications before substitution.
Key specifications for 882841: Drive Type: CROSS RECESS; Material Accommodated Thickness: 0.350 INCHES MINIMUM AND 0.369 INCHES MAXIMUM IN; Turnlock Stud Shank Style: STUD SHANK; Diameter: 0.375 INCHES NOMINAL IN. 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.