The Stud,locked in, cataloged under National Stock Number 5307-01-088-3448, is classified within Federal Supply Class 5307 (Studs) of the Hardware and Abrasives group. Government technical data includes 14 specifications, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5307-01-088-3448 |
| Item Name | Stud,locked in |
| FSC / FSG | 5307 / 53 — Studs |
| Status | ACTIVE |
| Distance From Serrated Portion to Nut End | 0.694 INCHES MINIMUM AND 0.724 INCHES MAXIMUM IN |
| Thread Length | 0.510 INCHES NOMINAL STUD THREAD IN |
| Thread Length | 0.694 INCHES MINIMUM AND 0.724 INCHES MAXIMUM NUT THREAD IN |
| Style Designator | LOCKED IN |
| Material Document and Classification | AMS 4967 ASSN STD SINGLE MATERIAL RESPONSE |
| Distance From Serrated Portion to End of Stud Thread | 0.140 INCHES MINIMUM AND 0.150 INCHES MAXIMUM IN |
| Thread Direction | RIGHT-HAND NUT THREAD |
| Nominal Thread Size | 0.375 INCHES STUD THREAD IN |
| Distance From Serrated Portion to Stud End | 0.655 INCHES NOMINAL IN |
| Locking Feature | RING, LOCK SERRATED |
| Thread Class | 3A NUT THREAD A |
| Thread Quantity Per Inch | 16 STUD THREAD |
| Material | STEEL |
| Thread Series Designator | UNS 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 |
| Reference | Meaning |
|---|---|
| RZA12221P04 | 3/2 Design control — primary reference U.S. Government activity |
| 4041T29P05 | 1/2 Source control — Government-approved source U.S. Government activity |
| SRL55037-0836-8 | 5/9 Secondary reference Sps Technologies, Llc Dba PB Fasteners |
| 4041T29P05 | 5/2 Secondary reference U.S. Government activity |
NSN 5307-01-088-3448 is a Stud,locked in, classified under FSC 5307, Studs. Status: active.
Key specifications for 5307-01-088-3448: Distance From Serrated Portion to Nut End: 0.694 INCHES MINIMUM AND 0.724 INCHES MAXIMUM IN; Thread Length: 0.510 INCHES NOMINAL STUD THREAD IN; Thread Length: 0.694 INCHES MINIMUM AND 0.724 INCHES MAXIMUM NUT THREAD IN; Style Designator: LOCKED IN. 14 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.