The Stud,locked in, cataloged under National Stock Number 5307-00-025-8273, is classified within Federal Supply Class 5307 (Studs) of the Hardware and Abrasives group. The manufacturer of record is Eaton Aerospace, Llc Dba Jackson South. 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5307-00-025-8273 |
| Primary Part Number | 122830 |
| Item Name | Stud,locked in |
| FSC / FSG | 5307 / 53 — Studs |
| Manufacturer | Eaton Aerospace, Llc Dba Jackson South |
| Status | ACTIVE |
| Distance From Serrated Portion to Nut End | 0.750 INCHES NOMINAL IN |
| Thread Length | 0.438 INCHES NOMINAL NUT THREAD IN |
| Thread Length | 0.284 INCHES NOMINAL STUD THREAD IN |
| Style Designator | LOCKED IN |
| Thread Pitch Diameters | +0.2187 TO 0.2204 INCHES STUD THREAD IN |
| Material Document and Classification | MIL-S-6758,COND C4 MIL SPEC SINGLE MATERIAL RESPONSE |
| Distance From Serrated Portion to End of Stud Thread | 0.153 INCHES NOMINAL IN |
| Thread Direction | RIGHT-HAND STUD THREAD |
| Thread Direction | RIGHT-HAND NUT THREAD |
| Nominal Thread Size | 0.250 INCHES STUD THREAD IN |
| Nominal Thread Size | 0.190 INCHES NUT THREAD IN |
| Distance From Serrated Portion to Stud End | 0.438 INCHES NOMINAL IN |
| Locking Feature | SELF-CLINCHING HEAD |
| Surface Treatment | CADMIUM OVERALL |
| Thread Class | 3A NUT THREAD A |
| Thread Quantity Per Inch | 32 NUT THREAD |
| Thread Quantity Per Inch | 20 STUD THREAD |
| Material | STEEL COMP 4130 |
| Thread Series Designator | UNF NUT THREAD |
| 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 |
| Part Number | Manufacturer |
|---|---|
| 122830 | Eaton Aerospace, Llc Dba Jackson South (USA) |
| 3X122830 | Eaton Aerospace, Llc Dba Jackson South (USA) |
| Reference | Meaning |
|---|---|
| SF91-7SA12A | 3/2 Design control — primary reference U.S. Government activity |
| 92597-13 | 5/9 Secondary reference Arma Div Ambac Industries Inc |
| 145591 | 5/9 Secondary reference Curtiss-Wright Corp Airplane Div |
NSN 5307-00-025-8273 is a Stud,locked in, manufactured by Eaton Aerospace, Llc Dba Jackson South, classified under FSC 5307, Studs. Status: active.
NSN 5307-00-025-8273 has 2 manufacturer part numbers on file: 122830 (Eaton Aerospace, Llc Dba Jackson South), 3X122830 (Eaton Aerospace, Llc Dba Jackson South).
1 possible match (shared part number, not a government interchangeability claim): 5365-00-797-2885. Verify interchangeability with system specifications before substitution.
Key specifications for 122830: Distance From Serrated Portion to Nut End: 0.750 INCHES NOMINAL IN; Thread Length: 0.438 INCHES NOMINAL NUT THREAD IN; Thread Length: 0.284 INCHES NOMINAL STUD THREAD IN; Style Designator: LOCKED IN. 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.