The Stud,locked in, cataloged under National Stock Number 5307-01-123-9962, is classified within Federal Supply Class 5307 (Studs) of the Hardware and Abrasives group. The manufacturer of record is Howmet Global Fastening Systems Inc. Government technical data includes 9 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5307-01-123-9962 |
| Primary Part Number | SFJ141-21SA17A |
| Item Name | Stud,locked in |
| FSC / FSG | 5307 / 53 — Studs |
| Manufacturer | Howmet Global Fastening Systems Inc |
| Status | ACTIVE |
| Distance From Serrated Portion to Nut End | 1.047 INCHES MINIMUM AND 1.077 INCHES MAXIMUM IN |
| Thread Length | 0.615 INCHES MINIMUM AND 0.645 INCHES MAXIMUM STUD THREAD IN |
| Thread Length | 0.795 INCHES MINIMUM AND 0.825 INCHES MAXIMUM NUT THREAD IN |
| Style Designator | LOCKED IN |
| Distance From Serrated Portion to End of Stud Thread | 0.652 INCHES MINIMUM AND 0.712 INCHES MAXIMUM IN |
| Distance From Serrated Portion to Stud End | 1.297 INCHES MINIMUM AND 1.327 INCHES MAXIMUM IN |
| Locking Feature | RING, LOCK SERRATED |
| Serration Quantity | 26 |
| Thread Class | 3A NUT THREAD A |
| 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 |
|---|---|
| SFJ141-21SA17A | Howmet Global Fastening Systems Inc (USA) |
| Reference | Meaning |
|---|---|
| SFJ141-21SA17A | 3/2 Design control — primary reference U.S. Government activity |
NSN 5307-01-123-9962 is a Stud,locked in, manufactured by Howmet Global Fastening Systems Inc, classified under FSC 5307, Studs. Status: active.
NSN 5307-01-123-9962 has 1 manufacturer part number on file: SFJ141-21SA17A (Howmet Global Fastening Systems Inc).
Key specifications for SFJ141-21SA17A: Distance From Serrated Portion to Nut End: 1.047 INCHES MINIMUM AND 1.077 INCHES MAXIMUM IN; Thread Length: 0.615 INCHES MINIMUM AND 0.645 INCHES MAXIMUM STUD THREAD IN; Thread Length: 0.795 INCHES MINIMUM AND 0.825 INCHES MAXIMUM NUT THREAD IN; Style Designator: LOCKED IN. 9 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.