The Stud Assembly,turnlock Fastener, cataloged under National Stock Number 5325-01-063-8639, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. The manufacturer of record is Howmet Global Fastening Systems Inc. Div Tridair Products. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 5325-01-063-8639 |
| Primary Part Number | FX10-15020-1P |
| Item Name | Stud Assembly,turnlock Fastener |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | Howmet Global Fastening Systems Inc. Div Tridair Products |
| Status | ACTIVE |
| Surface Treatment Document and Classification | QQ-P-416 TY 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Eyelet Outside Diameter | 0.373 INCHES MINIMUM AND 0.374 INCHES MAXIMUM IN |
| Drive Type | CROSS RECESS |
| Material Document and Classification | MIL-S-8695 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Diameter | 0.485 INCHES NOMINAL IN |
| Distance From Engaging Member to Largest Bearing Surface of Head | 0.420 INCHES NOMINAL IN |
| Turnlock Stud Head Style | FLAT COUNTERSUNK |
| Surface Treatment | CADMIUM AND CHROMATE OVERALL |
| Material | STEEL COMP 4037 OVERALL |
| Stud Thread Size and Series/type Designator | 0.190-32 UNF |
| Stud Assembly Style | STUD ASSEMBLY |
| Eyelet Length | 0.410 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 |
|---|---|
| FX10-15020-1P PRIMARY | Howmet Global Fastening Systems Inc. Div Tridair Products (USA) |
| Reference | Meaning |
|---|---|
| 129343 | 5/9 Secondary reference U.S. Government activity |
| FX10-1S020-1P | 5/9 Secondary reference Howmet Global Fastening Systems Inc. Div Tridair Products |
NSN 5325-01-063-8639 is a Stud Assembly,turnlock Fastener, manufactured by Howmet Global Fastening Systems Inc. Div Tridair Products, classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-01-063-8639 has 1 manufacturer part number on file: FX10-15020-1P (Howmet Global Fastening Systems Inc. Div Tridair Products).
2 possible matches (shared part number, not a government interchangeability claim): 5305-01-113-9612, 5330-01-713-3790. Verify interchangeability with system specifications before substitution.
Key specifications for FX10-15020-1P: Surface Treatment Document and Classification: QQ-P-416 TY 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Eyelet Outside Diameter: 0.373 INCHES MINIMUM AND 0.374 INCHES MAXIMUM IN; Drive Type: CROSS RECESS; Material Document and Classification: MIL-S-8695 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL. 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.