The Stud,plain, cataloged under National Stock Number 5307-01-257-6987, 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5307-01-257-6987 |
| Primary Part Number | 63B304325P2 |
| Item Name | Stud,plain |
| FSC / FSG | 5307 / 53 — Studs |
| Manufacturer | Lockheed Martin Corporation Div Rotary and Mission Systems |
| Status | ACTIVE |
| Surface Treatment Document and Classification | QQ-P-416 TYPE 11,CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Material Document and Classification | QQ-S-634 FED SPEC SINGLE MATERIAL RESPONSE AND AISI-C1018 ASSN STD SINGLE MATERIAL RESPONSE |
| Thread Direction | RIGHT-HAND LOCATION NOT OTHERWISE SPECIFIED |
| Nominal Thread Size | 0.500 INCHES STUD THREAD IN |
| Surface Treatment | CADMIUM AND CHROMATE OVERALL |
| Thread Quantity Per Inch | 20 STUD THREAD |
| Material | STEEL |
| Thread Series Designator | UNF STUD 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 |
|---|---|
| 63B304325P2 PRIMARY | Lockheed Martin Corporation Div Rotary and Mission Systems (USA) |
NSN 5307-01-257-6987 is a Stud,plain, manufactured by Lockheed Martin Corporation Div Rotary and Mission Systems, classified under FSC 5307, Studs. Status: active.
NSN 5307-01-257-6987 has 1 manufacturer part number on file: 63B304325P2 (Lockheed Martin Corporation Div Rotary and Mission Systems).
Key specifications for 63B304325P2: Surface Treatment Document and Classification: QQ-P-416 TYPE 11,CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Material Document and Classification: QQ-S-634 FED SPEC SINGLE MATERIAL RESPONSE AND AISI-C1018 ASSN STD SINGLE MATERIAL RESPONSE; Overall Length: 1.984 INCHES MINIMUM AND 2.016 INCHES MAXIMUM IN; Thread Direction: RIGHT-HAND LOCATION NOT OTHERWISE SPECIFIED. 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.