The Stud,plain, cataloged under National Stock Number 5307-01-546-5870, is classified within Federal Supply Class 5307 (Studs) of the Hardware and Abrasives group. The manufacturer of record is Saturn Fasteners Inc. Government technical data includes 10 specifications, cited from the U.S. Government catalog. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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.
| Parameter | Value |
|---|---|
| NSN | 5307-01-546-5870 |
| Primary Part Number | 20-161P22M |
| Item Name | Stud,plain |
| FSC / FSG | 5307 / 53 — Studs |
| Manufacturer | Saturn Fasteners Inc |
| Status | ACTIVE |
| Surface Treatment Document and Classification | QQ-P-416, TYPE 2, CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 0.562 INCHES NOMINAL NUT THREAD B IN |
| Thread Length | 0.688 INCHES NOMINAL NUT THREAD A IN |
| Material Document and Classification | MIL-S-5626 MIL STD 1ST MATERIAL RESPONSE OR MIL-S-5000 MIL SPEC 2ND MATERIAL RESPONSE OR MIL-S-6049 MIL SPEC 3RD MATERIAL RESPONSE |
| Thread Direction | RIGHT-HAND NUT THREAD A |
| Thread Direction | RIGHT-HAND NUT THREAD B |
| Surface Treatment | CADMIUM OVERALL |
| Material | STEEL COMP 4140 OR STEEL COMP 4340 OR STEEL COMP 8740 |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) NUT THREAD B |
| Thread Series Designator | UNJS NUT THREAD A |
| 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 |
|---|---|
| 20-161P22M PRIMARY | Saturn Fasteners Inc (USA) |
| 20-161P22M PRIMARY | M.s. Aerospace Inc. Dba Ms Aerospace Inc (USA) |
| 20-161P22M PRIMARY | United Precision Products Co., Inc. (USA) |
| Reference | Meaning |
|---|---|
| 120-161P22M | 1/2 Source control — Government-approved source U.S. Government activity |
| 20-161P22M | 3/2 Design control — primary reference U.S. Government activity |
NSN 5307-01-546-5870 is a Stud,plain, manufactured by Saturn Fasteners Inc, classified under FSC 5307, Studs. Status: active.
NSN 5307-01-546-5870 has 3 manufacturer part numbers on file: 20-161P22M (Saturn Fasteners Inc), 20-161P22M (M.s. Aerospace Inc. Dba Ms Aerospace Inc), 20-161P22M (United Precision Products Co., Inc.).
Key specifications for 20-161P22M: Surface Treatment Document and Classification: QQ-P-416, TYPE 2, CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Thread Length: 0.562 INCHES NOMINAL NUT THREAD B IN; Thread Length: 0.688 INCHES NOMINAL NUT THREAD A IN; Material Document and Classification: MIL-S-5626 MIL STD 1ST MATERIAL RESPONSE OR MIL-S-5000 MIL SPEC 2ND MATERIAL RESPONSE OR MIL-S-6049 MIL SPEC 3RD MATERIAL RESPONSE. 10 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.