The Stud,locked in, cataloged under National Stock Number 5307-01-126-9400, 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 19 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 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 | 5307-01-126-9400 |
| Primary Part Number | 88180 |
| 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 | 0.220 INCHES NOMINAL IN |
| Thread Length | 0.562 INCHES NOMINAL STUD THREAD IN |
| Thread Length | 0.894 INCHES NOMINAL NUT THREAD IN |
| Style Designator | LOCKED IN |
| Material Document and Classification | AMS 5734 A286 ASSN STD SINGLE MATERIAL RESPONSE |
| Distance From Serrated Portion to End of Stud Thread | 0.358 INCHES NOMINAL IN |
| Thread Direction | RIGHT-HAND STUD THREAD |
| Thread Direction | RIGHT-HAND NUT THREAD |
| Nominal Thread Size | 0.375 INCHES STUD THREAD IN |
| Nominal Thread Size | 0.375 INCHES NUT THREAD IN |
| Distance From Serrated Portion to Stud End | 0.920 INCHES NOMINAL IN |
| Locking Feature | RING, LOCK SERRATED |
| Thread Class | 3A NUT THREAD A |
| Thread Class | 3A STUD THREAD A |
| Thread Quantity Per Inch | 24 NUT THREAD |
| Thread Quantity Per Inch | 16 STUD THREAD |
| Material | STEEL COMP 8740 |
| Thread Series Designator | UNF NUT THREAD |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) 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 |
|---|---|
| 88180 PRIMARY | Williams International Co., L.l.c. (USA) |
NSN 5307-01-126-9400 is a Stud,locked in, manufactured by Williams International Co., L.l.c., classified under FSC 5307, Studs. Status: active.
NSN 5307-01-126-9400 has 1 manufacturer part number on file: 88180 (Williams International Co., L.l.c.).
1 possible match (shared part number, not a government interchangeability claim): 3220-01-242-2266. Verify interchangeability with system specifications before substitution.
Key specifications for 88180: Distance From Serrated Portion to Nut End: 0.220 INCHES NOMINAL IN; Thread Length: 0.562 INCHES NOMINAL STUD THREAD IN; Thread Length: 0.894 INCHES NOMINAL NUT THREAD IN; Style Designator: LOCKED IN. 19 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.