The Stud,welding, cataloged under National Stock Number 5307-01-417-8957, is classified within Federal Supply Class 5307 (Studs) of the Hardware and Abrasives group. The manufacturer of record is Lockheed Martin Corporation Div Rotary and Mission Systems. Government technical data includes 8 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5307-01-417-8957 |
| Primary Part Number | 497A73101-6 |
| Item Name | Stud,welding |
| FSC / FSG | 5307 / 53 — Studs |
| Manufacturer | Lockheed Martin Corporation Div Rotary and Mission Systems |
| Status | ACTIVE |
| Thread Length | 1.380 INCHES MINIMUM AND 1.470 INCHES MAXIMUM LOCATION NOT OTHERWISE SPECIFIED IN |
| Material Document and Classification | ASTM B446 ASSN STD SINGLE MATERIAL RESPONSE |
| Thread Direction | RIGHT-HAND LOCATION NOT OTHERWISE SPECIFIED |
| Nominal Thread Size | 0.250 INCHES LOCATION NOT OTHERWISE SPECIFIED IN |
| Thread Class | 2A LOCATION NOT OTHERWISE SPECIFIED A |
| Thread Quantity Per Inch | 20 LOCATION NOT OTHERWISE SPECIFIED |
| Material | NICKEL ALLOY |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) LOCATION NOT OTHERWISE SPECIFIED |
| 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 |
|---|---|
| 497A73101-6 PRIMARY | Lockheed Martin Corporation Div Rotary and Mission Systems (USA) |
| Reference | Meaning |
|---|---|
| 497A73101 FIND 6 | 5/9 Secondary reference Lockheed Martin Corporation Div Rotary and Mission Systems |
NSN 5307-01-417-8957 is a Stud,welding, manufactured by Lockheed Martin Corporation Div Rotary and Mission Systems, classified under FSC 5307, Studs. Status: active.
NSN 5307-01-417-8957 has 1 manufacturer part number on file: 497A73101-6 (Lockheed Martin Corporation Div Rotary and Mission Systems).
Key specifications for 497A73101-6: Thread Length: 1.380 INCHES MINIMUM AND 1.470 INCHES MAXIMUM LOCATION NOT OTHERWISE SPECIFIED IN; Material Document and Classification: ASTM B446 ASSN STD SINGLE MATERIAL RESPONSE; Thread Direction: RIGHT-HAND LOCATION NOT OTHERWISE SPECIFIED; Nominal Thread Size: 0.250 INCHES LOCATION NOT OTHERWISE SPECIFIED IN. 8 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.