The Stud,welding, cataloged under National Stock Number 5307-01-277-8907, is classified within Federal Supply Class 5307 (Studs) of the Hardware and Abrasives group. Government technical data includes 15 specifications, cited from the U.S. Government catalog. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 5 items share a part number with this NSN in the catalog (possible match — not a government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 | 5307-01-277-8907 |
| Item Name | Stud,welding |
| FSC / FSG | 5307 / 53 — Studs |
| Status | ACTIVE |
| Thread Length | 0.750 INCHES NOMINAL NUT THREAD IN |
| Style Designator | WELDING |
| Unthreaded End Diameter | 0.325 INCHES MINIMUM AND 0.335 INCHES MAXIMUM IN |
| Length Excluding Fluxed Welding Tip | 3.969 INCHES MINIMUM AND 4.031 INCHES MAXIMUM IN |
| Features Provided | HEAT SHIELD |
| Unthreaded End Length | 3.094 INCHES MINIMUM AND 3.188 INCHES MAXIMUM IN |
| Thread Direction | RIGHT-HAND NUT THREAD |
| Nominal Thread Size | 0.375 INCHES NUT THREAD IN |
| Nondefinitive Spec/std Data | 2 TYPE AND 4 CLASS |
| Shoulder Diameter | 0.625 INCHES MINIMUM AND 0.687 INCHES MAXIMUM IN |
| Thread Class | 2A NUT THREAD A |
| Thread Quantity Per Inch | 16 NUT THREAD |
| Material | STEEL |
| 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 |
|---|---|
| NASM24149 | 3/1 Design control — primary reference U.S. Government activity |
| M24149/1-555 | 5/9 Secondary reference U.S. Government activity |
| MIL-S-24149/1,TY-2,CL-4 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| M24149/1-555 | 3/2 Design control — primary reference U.S. Government activity |
| MIL-S-24149 | 5/9 Secondary reference U.S. Government activity |
NSN 5307-01-277-8907 is a Stud,welding, classified under FSC 5307, Studs. Status: active.
5 possible matches (shared part number, not a government interchangeability claim): 5307-01-278-9668, 5307-01-280-8716, 5307-01-281-3886. Verify interchangeability with system specifications before substitution.
Key specifications for 5307-01-277-8907: Thread Length: 0.750 INCHES NOMINAL NUT THREAD IN; Style Designator: WELDING; Unthreaded End Diameter: 0.325 INCHES MINIMUM AND 0.335 INCHES MAXIMUM IN; Length Excluding Fluxed Welding Tip: 3.969 INCHES MINIMUM AND 4.031 INCHES MAXIMUM IN. 15 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.