The Stud,plain, cataloged under National Stock Number 5307-01-666-3690, is classified within Federal Supply Class 5307 (Studs) of the Hardware and Abrasives group. The manufacturer of record is Saturn Fasteners Inc. The record lists 3 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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.
| Item Name | Stud,plain |
| FSC / FSG | 5307 — Studs (FSG 53) |
| Manufacturers | Saturn Fasteners Inc (CAGE 0K6Z0); M.s. Aerospace Inc. Dba Ms Aerospace Inc (CAGE 0UCY9); United Precision Products Co., Inc. (CAGE 17328) |
| Parameter | Value |
|---|---|
| NSN | 5307-01-666-3690 |
| Primary Part Number | 120-161P28L |
| Item Name | Stud,plain |
| FSC / FSG | 5307 / 53 — Studs |
| Manufacturer | Saturn Fasteners Inc |
| 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 |
|---|---|
| 120-161P28L PRIMARY | Saturn Fasteners Inc (USA) |
| 120-161P28L PRIMARY | M.s. Aerospace Inc. Dba Ms Aerospace Inc (USA) |
| 120-161P28L PRIMARY | United Precision Products Co., Inc. (USA) |
| Reference | Meaning |
|---|---|
| 120-161P28L | 3/2 Design control — primary reference U.S. Government activity |
| 120-161P28L | 5/9 Secondary reference Mecair Aerospace Industries,subsidiary of Spstechnologiesdiv Division of Sps Technologiesdba Mecair Inc. Div Division of Sps Technologies |
| 120-161P28L | 1/2 Source control — Government-approved source U.S. Government activity |
NSN 5307-01-666-3690 is a Stud,plain, manufactured by Saturn Fasteners Inc, classified under FSC 5307, Studs. Status: active.
NSN 5307-01-666-3690 has 3 manufacturer part numbers on file: 120-161P28L (Saturn Fasteners Inc), 120-161P28L (M.s. Aerospace Inc. Dba Ms Aerospace Inc), 120-161P28L (United Precision Products Co., Inc.).
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.