The Stud,locked in, cataloged under National Stock Number 5307-01-003-6661, is classified within Federal Supply Class 5307 (Studs) of the Hardware and Abrasives group. The manufacturer of record is Williams International Co., L.l.c.. Government technical data includes 16 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5307-01-003-6661 |
| Primary Part Number | 25469 |
| Item Name | Stud,locked in |
| FSC / FSG | 5307 / 53 — Studs |
| Manufacturer | Williams International Co., L.l.c. |
| Status | ACTIVE |
| Distance From Serrated Portion to Nut End | 2.050 INCHES NOMINAL IN |
| Style Designator | LOCKED IN |
| Material Document and Classification | MIL-S-17759,COMP 1 MIL SPEC SINGLE MATERIAL RESPONSE |
| Distance From Serrated Portion to End of Stud Thread | 0.140 INCHES NOMINAL IN |
| Serration Included Angle | 86.0 DEGREES NOMINAL |
| Thread Direction | RIGHT-HAND STUD THREAD |
| Thread Direction | RIGHT-HAND NUT THREAD |
| Nominal Thread Size | 0.312 INCHES STUD THREAD IN |
| Distance From Serrated Portion to Stud End | 0.560 INCHES NOMINAL IN |
| Locking Feature | HEAD SERRATIONS |
| Serration Quantity | 17 |
| Surface Treatment | PASSIVATE OVERALL |
| Thread Class | 3A NUT THREAD A |
| Thread Class | 3A STUD THREAD A |
| Thread Quantity Per Inch | 24 STUD THREAD |
| 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 |
|---|---|
| 25469 | Williams International Co., L.l.c. (USA) |
| Reference | Meaning |
|---|---|
| SFJ102-9SX7A | 3/2 Design control — primary reference U.S. Government activity |
NSN 5307-01-003-6661 is a Stud,locked in, manufactured by Williams International Co., L.l.c., classified under FSC 5307, Studs. Status: active.
NSN 5307-01-003-6661 has 1 manufacturer part number on file: 25469 (Williams International Co., L.l.c.).
1 possible match (shared part number, not a government interchangeability claim): 4320-01-375-3182. Verify interchangeability with system specifications before substitution.
Key specifications for 25469: Distance From Serrated Portion to Nut End: 2.050 INCHES NOMINAL IN; Style Designator: LOCKED IN; Material Document and Classification: MIL-S-17759,COMP 1 MIL SPEC SINGLE MATERIAL RESPONSE; Distance From Serrated Portion to End of Stud Thread: 0.140 INCHES NOMINAL IN. 16 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.