The Stud,self-Locking, cataloged under National Stock Number 5307-01-080-2270, is classified within Federal Supply Class 5307 (Studs) of the Hardware and Abrasives group. The manufacturer of record is Hornet Acquisitionco, Llc Dba Onboard Systems. Government technical data includes 14 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5307-01-080-2270 |
| Primary Part Number | 42305D569 |
| Item Name | Stud,self-Locking |
| FSC / FSG | 5307 / 53 — Studs |
| Manufacturer | Hornet Acquisitionco, Llc Dba Onboard Systems |
| Status | ACTIVE |
| Surface Treatment Document and Classification | QQ-P-416,TYPE 2,CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 0.565 INCHES NOMINAL NUT THREAD IN |
| Hardness Rating | 35.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM |
| Style Designator | SELF-LOCKING |
| Thread Direction | RIGHT-HAND NUT THREAD |
| Nominal Thread Size | 0.375 INCHES NUT THREAD IN |
| Head Length | 0.365 INCHES MINIMUM AND 0.385 INCHES MAXIMUM IN |
| Surface Treatment | CADMIUM OVERALL |
| Thread Class | 2A NUT THREAD A |
| Thread Quantity Per Inch | 24 NUT THREAD |
| Material | STEEL COMP 4130 |
| Distance Across Flats | 0.625 INCHES MINIMUM AND 0.635 INCHES MAXIMUM IN |
| Thread Series Designator | UNF NUT THREAD |
| Head Diameter | 0.709 INCHES MINIMUM AND 0.729 INCHES MAXIMUM IN |
| 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 |
|---|---|
| 42305D569 PRIMARY | Hornet Acquisitionco, Llc Dba Onboard Systems (USA) |
| Reference | Meaning |
|---|---|
| 42305-569 | 5/9 Secondary reference Goodrich Corporation Dba Trw Lucas Aerospace |
| 42305D569 | 5/9 Secondary reference Goodrich Corporation Dba Trw Lucas Aerospace |
| 42305D569 | 5/9 Secondary reference U.S. Government activity |
NSN 5307-01-080-2270 is a Stud,self-Locking, manufactured by Hornet Acquisitionco, Llc Dba Onboard Systems, classified under FSC 5307, Studs. Status: active.
NSN 5307-01-080-2270 has 1 manufacturer part number on file: 42305D569 (Hornet Acquisitionco, Llc Dba Onboard Systems).
Key specifications for 42305D569: Surface Treatment Document and Classification: QQ-P-416,TYPE 2,CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Thread Length: 0.565 INCHES NOMINAL NUT THREAD IN; Hardness Rating: 35.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM; Style Designator: SELF-LOCKING. 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.