The Stud,welding, cataloged under National Stock Number 5307-01-026-3185, is classified within Federal Supply Class 5307 (Studs) of the Hardware and Abrasives group. Government technical data includes 17 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 9 items share a part number with this NSN in the catalog (possible match — not a government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 | 5307-01-026-3185 |
| Item Name | Stud,welding |
| FSC / FSG | 5307 / 53 — Studs |
| Status | ACTIVE |
| Thread Length | 0.500 INCHES MINIMUM AND 0.750 INCHES MAXIMUM NUT THREAD IN |
| Style Designator | WELDING |
| Unthreaded End Diameter | 0.325 INCHES MINIMUM AND 0.335 INCHES MAXIMUM IN |
| Material Document and Classification | QQ-A-200/5 FED SPEC SINGLE MATERIAL RESPONSE |
| Length Excluding Fluxed Welding Tip | 1.203 INCHES NOMINAL IN |
| Features Provided | HEAT SHIELD |
| Unthreaded End Length | 0.485 INCHES MINIMUM AND 0.515 INCHES MAXIMUM IN |
| Thread Direction | RIGHT-HAND NUT THREAD |
| Nominal Thread Size | 0.375 INCHES NUT THREAD IN |
| Departure From Cited Designator | AS MODIFIED BY SHANK LENGTH |
| Nondefinitive Spec/std Data | 4 TYPE AND 3 CLASS |
| Shoulder Diameter | 0.565 INCHES MINIMUM AND 0.685 INCHES MAXIMUM IN |
| Thread Class | 2A NUT THREAD A |
| Thread Quantity Per Inch | 16 NUT THREAD |
| Material | ALUMINUM ALLOY 5086 |
| Shoulder Length | 0.093 INCHES MINIMUM AND 0.125 INCHES MAXIMUM IN |
| 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 |
|---|---|
| MIL-S-24149/2 | 4/1 Identification reference U.S. Government activity |
NSN 5307-01-026-3185 is a Stud,welding, classified under FSC 5307, Studs. Status: active.
9 possible matches (shared part number, not a government interchangeability claim): 5307-01-293-5417, 5307-01-293-5418, 5307-01-293-5427. Verify interchangeability with system specifications before substitution.
Key specifications for 5307-01-026-3185: Thread Length: 0.500 INCHES MINIMUM AND 0.750 INCHES MAXIMUM NUT THREAD IN; Style Designator: WELDING; Unthreaded End Diameter: 0.325 INCHES MINIMUM AND 0.335 INCHES MAXIMUM IN; Material Document and Classification: QQ-A-200/5 FED SPEC SINGLE MATERIAL RESPONSE. 17 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.