The Stud,plain, cataloged under National Stock Number 5307-00-281-6791, is classified within Federal Supply Class 5307 (Studs) of the Hardware and Abrasives group. The manufacturer of record is Dresser Industries Inc Leroi Div. Government technical data includes 13 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 | 5307-00-281-6791 |
| Primary Part Number | B105-39 |
| Item Name | Stud,plain |
| FSC / FSG | 5307 / 53 — Studs |
| Manufacturer | Dresser Industries Inc Leroi Div |
| Status | ACTIVE |
| Thread Length | 0.438 INCHES MAXIMUM STUD THREAD IN |
| Thread Length | 0.438 INCHES MAXIMUM NUT THREAD IN |
| Thread Direction | RIGHT-HAND STUD THREAD |
| Thread Direction | RIGHT-HAND NUT THREAD |
| Nominal Thread Size | 0.312 INCHES NUT THREAD IN |
| Nominal Thread Size | 0.312 INCHES STUD THREAD IN |
| Thread Class | 2A STUD THREAD A |
| Thread Class | 2A NUT THREAD A |
| Thread Quantity Per Inch | 24 NUT THREAD |
| Thread Quantity Per Inch | 18 STUD THREAD |
| Material | STEEL |
| Thread Series Designator | UNF NUT THREAD |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) 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 |
|---|---|
| B105-39 PRIMARY | Dresser Industries Inc Leroi Div (USA) |
NSN 5307-00-281-6791 is a Stud,plain, manufactured by Dresser Industries Inc Leroi Div, classified under FSC 5307, Studs. Status: active.
NSN 5307-00-281-6791 has 1 manufacturer part number on file: B105-39 (Dresser Industries Inc Leroi Div).
Key specifications for B105-39: Thread Length: 0.438 INCHES MAXIMUM STUD THREAD IN; Thread Length: 0.438 INCHES MAXIMUM NUT THREAD IN; Overall Length: 1.000 INCHES NOMINAL IN; Thread Direction: RIGHT-HAND STUD THREAD. 13 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.