The Stud,locked in, cataloged under National Stock Number 5307-01-307-3604, 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 7 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5307-01-307-3604 |
| Primary Part Number | TR28009-10 |
| Item Name | Stud,locked in |
| FSC / FSG | 5307 / 53 — Studs |
| Manufacturer | Howmet Global Fastening Systems Inc. Div Tridair Products |
| Status | ACTIVE |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Style Designator | LOCKED IN |
| Material Document and Classification | AMS 5731, AMS 5737 ASSN STD SINGLE MATERIAL RESPONSE |
| Surface Treatment | PASSIVATE OVERALL |
| Distance From Shoulder Portion to Nut End | 0.610 INCHES MINIMUM AND 0.640 INCHES MAXIMUM IN |
| Material | NICKEL ALLOY X-750 AND STEEL CORROSION RESISTING |
| Shoulder Length | 0.032 INCHES MINIMUM AND 0.042 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 | X |
| Part Number | Manufacturer |
|---|---|
| TR28009-10 PRIMARY | Howmet Global Fastening Systems Inc. Div Tridair Products (USA) |
| ST2665-10 | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
| Reference | Meaning |
|---|---|
| 5307PL1866754 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| 5307PL0896729 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| STS5178-1032-10V | 3/2 Design control — primary reference U.S. Government activity |
NSN 5307-01-307-3604 is a Stud,locked in, manufactured by Howmet Global Fastening Systems Inc. Div Tridair Products, classified under FSC 5307, Studs. Status: active.
NSN 5307-01-307-3604 has 2 manufacturer part numbers on file: TR28009-10 (Howmet Global Fastening Systems Inc. Div Tridair Products), ST2665-10 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).
Key specifications for TR28009-10: Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Style Designator: LOCKED IN; Material Document and Classification: AMS 5731, AMS 5737 ASSN STD SINGLE MATERIAL RESPONSE; Overall Length: 0.875 INCHES NOMINAL IN. 7 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.