The Stud,plain, cataloged under National Stock Number 5307-01-057-3686, is classified within Federal Supply Class 5307 (Studs) of the Hardware and Abrasives group. Government technical data includes 14 specifications, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5307-01-057-3686 |
| Item Name | Stud,plain |
| FSC / FSG | 5307 / 53 — Studs |
| Status | ACTIVE |
| Thread Length | 1.250 INCHES NOMINAL NUT THREAD IN |
| Thread Length | 0.750 INCHES NOMINAL STUD THREAD IN |
| Material Document and Classification | QQ-N-281,CL 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 | 3A STUD THREAD A |
| Thread Class | 2A NUT THREAD A |
| Thread Quantity Per Inch | 13 STUD THREAD |
| Thread Quantity Per Inch | 13 NUT THREAD |
| Material | NICKEL ALLOY 400 |
| 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 |
| Reference | Meaning |
|---|---|
| 701-50PC9 | C/1 Advisory reference — outside the item-of-supply concept Aqua-Chem, Inc. Dba Aqua-Chem Inc |
| 7-7514 | C/1 Advisory reference — outside the item-of-supply concept Aqua-Chem, Inc. Dba Aqua-Chem Inc |
| 7-7514 | 3/9 Design control — primary reference Aqua-Chem, Inc. |
| 701-50PC9 | 5/9 Secondary reference Aqua-Chem, Inc. |
NSN 5307-01-057-3686 is a Stud,plain, classified under FSC 5307, Studs. Status: active.
2 possible matches (shared part number, not a government interchangeability claim): 5120-01-118-6281, 4720-01-322-7611. Verify interchangeability with system specifications before substitution.
Key specifications for 5307-01-057-3686: Thread Length: 1.250 INCHES NOMINAL NUT THREAD IN; Thread Length: 0.750 INCHES NOMINAL STUD THREAD IN; Material Document and Classification: QQ-N-281,CL A FED SPEC SINGLE MATERIAL RESPONSE; Overall Length: 4.000 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.