The Stud,locked in, cataloged under National Stock Number 5307-00-143-9883, is classified within Federal Supply Class 5307 (Studs) of the Hardware and Abrasives group. Government technical data includes 21 specifications, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5307-00-143-9883 |
| Item Name | Stud,locked in |
| FSC / FSG | 5307 / 53 — Studs |
| Status | ACTIVE |
| Surface Treatment Document and Classification | QQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Distance From Serrated Portion to Nut End | 0.688 INCHES NOMINAL IN |
| Thread Length | 0.500 INCHES NOMINAL NUT THREAD IN |
| Thread Length | 0.420 INCHES NOMINAL STUD THREAD IN |
| Hardness Rating | 26.0 ROCKWELL C MINIMUM |
| Style Designator | LOCKED IN |
| Thread Pitch Diameters | +0.2869 TO 0.2884 INCHES STUD THREAD IN |
| Material Document and Classification | MIL-S-6758 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 | RING, LOCK SERRATED |
| Serration Quantity | 17 |
| Surface Treatment | CADMIUM OVERALL |
| Thread Class | 3A NUT THREAD A |
| Thread Quantity Per Inch | 24 STUD THREAD |
| Material | STEEL COMP 4130 |
| 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 |
|---|---|
| 804304 | C/1 Advisory reference — outside the item-of-supply concept Triumph Engine Control Systems Llc |
| MS51989-205-11 | 2/2 Government specification standardization U.S. Government activity |
| SFT102-9SA11A | 5/1 Secondary reference U.S. Government activity |
| 804304 | 5/9 Secondary reference U.S. Government activity |
NSN 5307-00-143-9883 is a Stud,locked in, classified under FSC 5307, Studs. Status: active.
2 possible matches (shared part number, not a government interchangeability claim): 4310-00-959-9756, 5310-01-155-4318. Verify interchangeability with system specifications before substitution.
Key specifications for 5307-00-143-9883: Surface Treatment Document and Classification: QQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Distance From Serrated Portion to Nut End: 0.688 INCHES NOMINAL IN; Thread Length: 0.500 INCHES NOMINAL NUT THREAD IN; Thread Length: 0.420 INCHES NOMINAL STUD THREAD IN. 21 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.