The Stud,locked in, cataloged under National Stock Number 5307-00-533-6280, is classified within Federal Supply Class 5307 (Studs) of the Hardware and Abrasives group. The manufacturer of record is U S Army Tank Automotive Command Amsta-Im-Mm. Government technical data includes 19 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. 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 | 5307-00-533-6280 |
| Primary Part Number | 5336280 |
| Item Name | Stud,locked in |
| FSC / FSG | 5307 / 53 — Studs |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Distance From Serrated Portion to Nut End | 0.750 INCHES NOMINAL IN |
| Thread Length | 0.562 INCHES NOMINAL NUT THREAD IN |
| Thread Length | 0.227 INCHES NOMINAL STUD THREAD IN |
| Style Designator | LOCKED IN |
| Material Document and Classification | QQ-S-633 FED SPEC ALL MATERIAL RESPONSES |
| Distance From Serrated Portion to End of Stud Thread | 0.578 INCHES MINIMUM AND 0.583 INCHES MAXIMUM IN |
| Thread Direction | RIGHT-HAND STUD THREAD |
| Thread Direction | RIGHT-HAND NUT THREAD |
| Nominal Thread Size | 0.312 INCHES NUT THREAD IN |
| Nominal Thread Size | 0.312 INCHES STUD THREAD IN |
| Distance From Serrated Portion to Stud End | 0.875 INCHES NOMINAL IN |
| Surface Treatment | PHOSPHATE OVERALL |
| Thread Class | 2A STUD THREAD A |
| Thread Class | 2A NUT THREAD A |
| Thread Quantity Per Inch | 24 NUT THREAD |
| Thread Quantity Per Inch | 24 STUD THREAD |
| Material | STEEL COMP 1137 OR STEEL COMP 1141 |
| Thread Series Designator | UNF STUD THREAD |
| Thread Series Designator | UNF 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 |
|---|---|
| 5336280 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
NSN 5307-00-533-6280 is a Stud,locked in, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 5307, Studs. Status: active.
NSN 5307-00-533-6280 has 1 manufacturer part number on file: 5336280 (U S Army Tank Automotive Command Amsta-Im-Mm).
1 possible match (shared part number, not a government interchangeability claim): 5342-01-220-6259. Verify interchangeability with system specifications before substitution.
Key specifications for 5336280: Distance From Serrated Portion to Nut End: 0.750 INCHES NOMINAL IN; Thread Length: 0.562 INCHES NOMINAL NUT THREAD IN; Thread Length: 0.227 INCHES NOMINAL STUD THREAD IN; Style Designator: LOCKED IN. 19 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.