The Stud,recessed and Stepped, cataloged under National Stock Number 5307-01-272-8575, is classified within Federal Supply Class 5307 (Studs) of the Hardware and Abrasives group. The manufacturer of record is General Dynamics-Ots, Inc. Div Ordnance and Tactical Systems. Government technical data includes 19 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 | 5307-01-272-8575 |
| Primary Part Number | 176C2785-4 |
| Item Name | Stud,recessed and Stepped |
| FSC / FSG | 5307 / 53 — Studs |
| Manufacturer | General Dynamics-Ots, Inc. Div Ordnance and Tactical Systems |
| Status | ACTIVE |
| Thread Length | 0.334 INCHES MINIMUM AND 0.342 INCHES MAXIMUM NUT THREAD IN |
| Thread Length | 1.885 INCHES MINIMUM AND 1.915 INCHES MAXIMUM STUD THREAD IN |
| Style Designator | RECESSED AND STEPPED |
| Material Document and Classification | QQ-S-763 COND A FED SPEC SINGLE MATERIAL RESPONSE |
| Diameter of Recessed Portion of Shank | 0.144 INCHES MINIMUM AND 0.148 INCHES MAXIMUM IN |
| Thread Direction | RIGHT-HAND STUD THREAD |
| Thread Direction | RIGHT-HAND NUT THREAD |
| Nominal Thread Size | 0.312 INCHES STUD THREAD IN |
| Nominal Thread Size | 0.190 INCHES NUT THREAD IN |
| Length of Recessed Portion of Shank | 0.055 INCHES MINIMUM AND 0.069 INCHES MAXIMUM IN |
| Surface Treatment | PASSIVATE OVERALL |
| Thread Class | 2A STUD THREAD A |
| Thread Class | 2A NUT THREAD A |
| Thread Quantity Per Inch | 32 NUT THREAD |
| Thread Quantity Per Inch | 24 STUD THREAD |
| Material | STEEL COMP 316 OR STEEL COMP 316L |
| Thread Series Designator | UNF STUD THREAD |
| Thread Series Designator | UNF NUT THREAD |
| Plain Shank Diameter | 0.225 INCHES MINIMUM AND 0.235 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 |
|---|---|
| 176C2785-4 PRIMARY | General Dynamics-Ots, Inc. Div Ordnance and Tactical Systems (USA) |
NSN 5307-01-272-8575 is a Stud,recessed and Stepped, manufactured by General Dynamics-Ots, Inc. Div Ordnance and Tactical Systems, classified under FSC 5307, Studs. Status: active.
NSN 5307-01-272-8575 has 1 manufacturer part number on file: 176C2785-4 (General Dynamics-Ots, Inc. Div Ordnance and Tactical Systems).
Key specifications for 176C2785-4: Thread Length: 0.334 INCHES MINIMUM AND 0.342 INCHES MAXIMUM NUT THREAD IN; Thread Length: 1.885 INCHES MINIMUM AND 1.915 INCHES MAXIMUM STUD THREAD IN; Style Designator: RECESSED AND STEPPED; Material Document and Classification: QQ-S-763 COND A FED SPEC SINGLE MATERIAL RESPONSE. 19 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.