The Stud,locked in, cataloged under National Stock Number 5307-01-491-3103, is classified within Federal Supply Class 5307 (Studs) of the Hardware and Abrasives group. The manufacturer of record is Stanley Engineered Fastening Llc. The record lists 2 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | Stanley Engineered Fastening Llc (CAGE 01556); Howmet Global Fastening Systems Inc. Div Microdot Products (CAGE 75237) |
| Parameter | Value |
|---|---|
| NSN | 5307-01-491-3103 |
| Primary Part Number | 877CT-4ZD-69 |
| Item Name | Stud,locked in |
| FSC / FSG | 5307 / 53 — Studs |
| Manufacturer | Stanley Engineered Fastening Llc |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | Y |
| Part Number | Manufacturer |
|---|---|
| 877CT-4ZD-69 | Stanley Engineered Fastening Llc (USA) |
| KLSS10154-4-8 | Howmet Global Fastening Systems Inc. Div Microdot Products (USA) |
| Reference | Meaning |
|---|---|
| 5031T71P08 | 1/2 Source control — Government-approved source U.S. Government activity |
| SL9314-4P08 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5307-01-491-3103 is a Stud,locked in, manufactured by Stanley Engineered Fastening Llc, classified under FSC 5307, Studs. Status: active.
NSN 5307-01-491-3103 has 2 manufacturer part numbers on file: 877CT-4ZD-69 (Stanley Engineered Fastening Llc), KLSS10154-4-8 (Howmet Global Fastening Systems Inc. Div Microdot Products).
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.