The Stud,shouldered and Stepped, cataloged under National Stock Number 5307-00-762-9103, is classified within Federal Supply Class 5307 (Studs) of the Hardware and Abrasives group. The manufacturer of record is Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier. Government technical data includes 16 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5307-00-762-9103 |
| Primary Part Number | 145AS508 |
| Item Name | Stud,shouldered and Stepped |
| FSC / FSG | 5307 / 53 — Studs |
| Manufacturer | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier |
| Status | ACTIVE |
| Surface Treatment Document and Classification | MIL-C-14550 MIL SPEC 1ST TREATMENT RESPONSE OR QQ-P-416,TY 2,CL 2 FED SPEC 2ND TREATMENT RESPONSE OVERALL |
| Thread Length | 0.620 INCHES NOMINAL NUT THREAD IN |
| Thread Length | 2.250 INCHES NOMINAL STUD THREAD IN |
| Style Designator | SHOULDERED AND STEPPED |
| Material Document and Classification | QQ-B-626,COMP 360,1/2 H FED SPEC SINGLE MATERIAL RESPONSE |
| Thread Direction | RIGHT-HAND STUD THREAD |
| Thread Direction | RIGHT-HAND NUT THREAD |
| Nominal Thread Size | 0.250 INCHES NUT THREAD IN |
| Surface Treatment | COPPER OR CADMIUM AND CHROMATE OVERALL |
| Thread Class | 2A STUD THREAD A |
| Thread Class | 2A NUT THREAD A |
| Thread Quantity Per Inch | 20 NUT THREAD |
| Material | COPPER ALLOY 360 |
| Distance Across Flats | 0.750 INCHES NOMINAL IN |
| Shoulder Length | 0.380 INCHES NOMINAL IN |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) NUT 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 |
|---|---|
| 145AS508 PRIMARY | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA) |
NSN 5307-00-762-9103 is a Stud,shouldered and Stepped, manufactured by Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier, classified under FSC 5307, Studs. Status: active.
NSN 5307-00-762-9103 has 1 manufacturer part number on file: 145AS508 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier).
Key specifications for 145AS508: Surface Treatment Document and Classification: MIL-C-14550 MIL SPEC 1ST TREATMENT RESPONSE OR QQ-P-416,TY 2,CL 2 FED SPEC 2ND TREATMENT RESPONSE OVERALL; Thread Length: 0.620 INCHES NOMINAL NUT THREAD IN; Thread Length: 2.250 INCHES NOMINAL STUD THREAD IN; Style Designator: SHOULDERED AND STEPPED. 16 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.