The Stud,locked in, cataloged under National Stock Number 5307-01-256-5919, is classified within Federal Supply Class 5307 (Studs) of the Hardware and Abrasives group. The manufacturer of record is General Electric Company. Government technical data includes 20 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5307-01-256-5919 |
| Primary Part Number | J1196P18 |
| Item Name | Stud,locked in |
| FSC / FSG | 5307 / 53 — Studs |
| Manufacturer | General Electric Company |
| Status | ACTIVE |
| Surface Finish | 125.0 MICROINCHES OVERALL |
| Thread Length | 0.312 INCHES NOMINAL STUD THREAD IN |
| Thread Length | 0.657 INCHES NOMINAL NUT THREAD IN |
| Hardness Rating | 48.0 ROCKWELL C MINIMUM AND 52.0 ROCKWELL C MAXIMUM |
| Style Designator | LOCKED IN |
| Material Document and Classification | AMS 5506 ASSN STD 1ST MATERIAL RESPONSE AND AMS 5737 ASSN STD 2ND MATERIAL RESPONSE |
| Thread Direction | RIGHT-HAND STUD THREAD |
| Thread Direction | RIGHT-HAND NUT THREAD |
| Distance From End of Stud End Threads to Nut End | 0.833 INCHES MINIMUM AND 0.853 INCHES MAXIMUM IN |
| Nominal Thread Size | 0.312 INCHES STUD THREAD IN |
| Nominal Thread Size | 0.190 INCHES NUT THREAD IN |
| Specification/standard Data | 07482-J1196+18A MANUFACTURERS STANDARD A |
| Locking Feature | RING, LOCK KEYED |
| Thread Class | 3A NUT THREAD A |
| Thread Class | 3A STUD THREAD A |
| Thread Quantity Per Inch | 32 NUT THREAD |
| Thread Quantity Per Inch | 24 STUD THREAD |
| Material | STEEL COMP 420 AND STEEL COMP 303F |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) STUD THREAD |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) 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 |
| Part Number | Manufacturer |
|---|---|
| J1196P18 | General Electric Company (USA) |
| KLS19158-3-18 | Howmet Global Fastening Systems Inc. Div Microdot Products (USA) |
| Reference | Meaning |
|---|---|
| J1196P18A | 5/9 Secondary reference General Electric Company |
| 21196-18 | 3/9 Design control — primary reference Stanley Engineered Fastening Llc |
NSN 5307-01-256-5919 is a Stud,locked in, manufactured by General Electric Company, classified under FSC 5307, Studs. Status: active.
NSN 5307-01-256-5919 has 2 manufacturer part numbers on file: J1196P18 (General Electric Company), KLS19158-3-18 (Howmet Global Fastening Systems Inc. Div Microdot Products).
1 possible match (shared part number, not a government interchangeability claim): 5307-01-259-6923. Verify interchangeability with system specifications before substitution.
Key specifications for J1196P18: Surface Finish: 125.0 MICROINCHES OVERALL; Thread Length: 0.312 INCHES NOMINAL STUD THREAD IN; Thread Length: 0.657 INCHES NOMINAL NUT THREAD IN; Hardness Rating: 48.0 ROCKWELL C MINIMUM AND 52.0 ROCKWELL C MAXIMUM. 20 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.