The Stud,plain, cataloged under National Stock Number 5307-01-161-6221, is classified within Federal Supply Class 5307 (Studs) of the Hardware and Abrasives group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 14 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5307-01-161-6221 |
| Primary Part Number | REB102257 |
| Item Name | Stud,plain |
| FSC / FSG | 5307 / 53 — Studs |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Thread Length | 0.812 INCHES NOMINAL NUT THREAD IN |
| Thread Length | 0.625 INCHES NOMINAL STUD THREAD IN |
| Material Document and Classification | QQ-N-286,CLASS A FED SPEC SINGLE MATERIAL RESPONSE |
| Thread Direction | RIGHT-HAND STUD THREAD |
| Thread Direction | RIGHT-HAND NUT THREAD |
| Nominal Thread Size | 0.500 INCHES NUT THREAD IN |
| Nominal Thread Size | 0.500 INCHES STUD THREAD IN |
| Thread Class | 2A NUT THREAD A |
| Thread Class | 5A STUD THREAD A |
| Thread Quantity Per Inch | 13 STUD THREAD |
| Thread Quantity Per Inch | 13 NUT THREAD |
| Material | NICKEL ALLOY K-500 |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) STUD THREAD |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) NUT THREAD |
| 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 |
|---|---|
| REB102257 PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| RE-B102257 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
| ASC1539152 | 5/9 Secondary reference Asc Pty Ltd |
NSN 5307-01-161-6221 is a Stud,plain, manufactured by Naval Sea Systems Command, classified under FSC 5307, Studs. Status: active.
NSN 5307-01-161-6221 has 1 manufacturer part number on file: REB102257 (Naval Sea Systems Command).
1 possible match (shared part number, not a government interchangeability claim): 5365-01-651-1468. Verify interchangeability with system specifications before substitution.
Key specifications for REB102257: Thread Length: 0.812 INCHES NOMINAL NUT THREAD IN; Thread Length: 0.625 INCHES NOMINAL STUD THREAD IN; Material Document and Classification: QQ-N-286,CLASS A FED SPEC SINGLE MATERIAL RESPONSE; Overall Length: 1.875 INCHES NOMINAL IN. 14 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.