The Stud,plain, cataloged under National Stock Number 5307-00-558-5175, is classified within Federal Supply Class 5307 (Studs) of the Hardware and Abrasives group. The manufacturer of record is Apex Manufacturing Company, Inc. Dba Apex Manufacturing Co. Government technical data includes 15 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5307-00-558-5175 |
| Primary Part Number | 11-31884-1 |
| Item Name | Stud,plain |
| FSC / FSG | 5307 / 53 — Studs |
| Manufacturer | Apex Manufacturing Company, Inc. Dba Apex Manufacturing Co |
| Status | ACTIVE |
| Cotter Pin Hole Diameter | 0.106 INCHES NOMINAL FIRST HOLE IN |
| Thread Length | 0.875 INCHES MINIMUM NUT THREAD IN |
| Thread Length | 0.875 INCHES MINIMUM STUD THREAD IN |
| Criticality Code Justification | AGAV |
| Thread Direction | RIGHT-HAND STUD THREAD |
| Thread Direction | RIGHT-HAND NUT THREAD |
| Nominal Thread Size | 0.500 INCHES NUT THREAD IN |
| Nominal Thread Size | 0.500 INCHES STUD THREAD IN |
| Thread Class | 3A NUT THREAD A |
| Thread Class | 3A STUD THREAD A |
| Thread Quantity Per Inch | 20 NUT THREAD |
| Thread Quantity Per Inch | 20 STUD THREAD |
| Thread Series Designator | UNF STUD THREAD |
| Thread Series Designator | UNF NUT THREAD |
| Distance From Cotter Pin Hole Centerline to Nut End | 0.250 INCHES NOMINAL FIRST HOLE IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | S |
| Part Number | Manufacturer |
|---|---|
| 11-31884-1 | Apex Manufacturing Company, Inc. Dba Apex Manufacturing Co (USA) |
| 11-31884-1 | U.s.a. Spares Inc. (USA) |
| Reference | Meaning |
|---|---|
| 11-31884-1 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5307-00-558-5175 is a Stud,plain, manufactured by Apex Manufacturing Company, Inc. Dba Apex Manufacturing Co, classified under FSC 5307, Studs. Status: active.
NSN 5307-00-558-5175 has 2 manufacturer part numbers on file: 11-31884-1 (Apex Manufacturing Company, Inc. Dba Apex Manufacturing Co), 11-31884-1 (U.s.a. Spares Inc.).
Key specifications for 11-31884-1: Cotter Pin Hole Diameter: 0.106 INCHES NOMINAL FIRST HOLE IN; Thread Length: 0.875 INCHES MINIMUM NUT THREAD IN; Thread Length: 0.875 INCHES MINIMUM STUD THREAD IN; Criticality Code Justification: AGAV. 15 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.