The Stud,self-Locking, cataloged under National Stock Number 5307-01-185-0634, is classified within Federal Supply Class 5307 (Studs) of the Hardware and Abrasives group. The manufacturer of record is Howmet Global Fastening Systems Inc. Div Tridair Products. Government technical data includes 13 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5307-01-185-0634 |
| Primary Part Number | TR24129 |
| Item Name | Stud,self-Locking |
| FSC / FSG | 5307 / 53 — Studs |
| Manufacturer | Howmet Global Fastening Systems Inc. Div Tridair Products |
| Status | ACTIVE |
| Surface Finish | 125.0 MICROINCHES OVERALL |
| Thread Length | 0.580 INCHES MINIMUM AND 0.620 INCHES MAXIMUM NUT THREAD IN |
| Style Designator | FLUSH HEAD |
| Material Document and Classification | AMS 5662 ASSN STD SINGLE MATERIAL RESPONSE |
| Thread Direction | RIGHT-HAND NUT THREAD |
| Nominal Thread Size | 0.250 INCHES NUT THREAD IN |
| Head Length | 0.297 INCHES MINIMUM AND 0.327 INCHES MAXIMUM IN |
| Locking Feature | KEY INSERTS |
| Thread Class | 3A NUT THREAD A |
| Thread Quantity Per Inch | 28 NUT THREAD |
| Material | NICKEL ALLOY 718 |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) NUT THREAD |
| Head Diameter | 0.413 INCHES MINIMUM AND 0.437 INCHES MAXIMUM IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | F |
| Part Number | Manufacturer |
|---|---|
| 9940M37P01 | General Electric Company (USA) |
| TR24129 PRIMARY | Howmet Global Fastening Systems Inc. Div Tridair Products (USA) |
NSN 5307-01-185-0634 is a Stud,self-Locking, manufactured by Howmet Global Fastening Systems Inc. Div Tridair Products, classified under FSC 5307, Studs. Status: active.
NSN 5307-01-185-0634 has 2 manufacturer part numbers on file: 9940M37P01 (General Electric Company), TR24129 (Howmet Global Fastening Systems Inc. Div Tridair Products).
Key specifications for TR24129: Surface Finish: 125.0 MICROINCHES OVERALL; Thread Length: 0.580 INCHES MINIMUM AND 0.620 INCHES MAXIMUM NUT THREAD IN; Style Designator: FLUSH HEAD; Material Document and Classification: AMS 5662 ASSN STD SINGLE MATERIAL RESPONSE. 13 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.