The Stud,locked in, cataloged under National Stock Number 5307-01-673-3876, 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. The record lists 3 manufacturer part numbers 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Stud,locked in |
| FSC / FSG | 5307 — Studs (FSG 53) |
| Manufacturers | Howmet Global Fastening Systems Inc. Div Tridair Products (CAGE 29372); Howmet Global Fastening Systems Inc. Div Microdot Products (CAGE 75237); Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (CAGE 77445) |
| Parameter | Value |
|---|---|
| NSN | 5307-01-673-3876 |
| Primary Part Number | TR28028-14 |
| Item Name | Stud,locked in |
| FSC / FSG | 5307 / 53 — Studs |
| Manufacturer | Howmet Global Fastening Systems Inc. Div Tridair Products |
| Status | ACTIVE |
| 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 |
|---|---|
| TR28028-14 PRIMARY | Howmet Global Fastening Systems Inc. Div Tridair Products (USA) |
| KNS10088-4-14 PRIMARY | Howmet Global Fastening Systems Inc. Div Microdot Products (USA) |
| ST2952-14 | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
| Reference | Meaning |
|---|---|
| ST2951-14 | 3/9 Design control — primary reference Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney |
| ST2953-14 | 5/9 Secondary reference Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney |
NSN 5307-01-673-3876 is a Stud,locked in, manufactured by Howmet Global Fastening Systems Inc. Div Tridair Products, classified under FSC 5307, Studs. Status: active.
NSN 5307-01-673-3876 has 3 manufacturer part numbers on file: TR28028-14 (Howmet Global Fastening Systems Inc. Div Tridair Products), KNS10088-4-14 (Howmet Global Fastening Systems Inc. Div Microdot Products), ST2952-14 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).
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.