The Stud,locked in, cataloged under National Stock Number 5307-01-407-9011, 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 19 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5307-01-407-9011 |
| Primary Part Number | TR280004-202-9 |
| 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-416 TY2 CL3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 0.375 INCHES NOMINAL NUT THREAD A IN |
| Thread Length | 0.375 INCHES NOMINAL NUT THREAD B IN |
| Style Designator | LOCKED IN |
| Material Document and Classification | QQ-S-763 FED SPEC 1ST MATERIAL RESPONSE AND MIL-S-5626 MIL SPEC 2ND MATERIAL RESPONSE |
| Thread Direction | RIGHT-HAND NUT THREAD A |
| Thread Direction | RIGHT-HAND NUT THREAD B |
| Distance From End of Stud End Threads to Nut End | 0.375 INCHES NOMINAL IN |
| Nominal Thread Size | 0.375 INCHES NUT THREAD A IN |
| Nominal Thread Size | 0.250 INCHES NUT THREAD B IN |
| Locking Feature | RING, LOCK KEYED |
| Surface Treatment | CADMIUM AND CHROMATE OVERALL |
| Thread Class | 2A NUT THREAD A A |
| Thread Class | 3A NUT THREAD B A |
| Thread Quantity Per Inch | 16 NUT THREAD A |
| Thread Quantity Per Inch | 28 NUT THREAD B |
| Material | STEEL COMP 420 AND STEEL COMP 4140 |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) NUT THREAD A |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) NUT THREAD B |
| 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 |
|---|---|
| TR280004-202-9 PRIMARY | Howmet Global Fastening Systems Inc. Div Tridair Products (USA) |
NSN 5307-01-407-9011 is a Stud,locked in, manufactured by Howmet Global Fastening Systems Inc. Div Tridair Products, classified under FSC 5307, Studs. Status: active.
NSN 5307-01-407-9011 has 1 manufacturer part number on file: TR280004-202-9 (Howmet Global Fastening Systems Inc. Div Tridair Products).
Key specifications for TR280004-202-9: Surface Treatment Document and Classification: QQ-P-416 TY2 CL3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Thread Length: 0.375 INCHES NOMINAL NUT THREAD A IN; Thread Length: 0.375 INCHES NOMINAL NUT THREAD B IN; Style Designator: LOCKED IN. 19 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.