The Stud,plain, cataloged under National Stock Number 5307-00-655-7590, is classified within Federal Supply Class 5307 (Studs) of the Hardware and Abrasives group. The manufacturer of record is Hatch & Kirk, Inc.. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5307-00-655-7590 |
| Primary Part Number | 3326686 |
| Item Name | Stud,plain |
| FSC / FSG | 5307 / 53 — Studs |
| Manufacturer | Hatch & Kirk, Inc. |
| Status | ACTIVE |
| Thread Length | 0.938 INCHES NOMINAL STUD THREAD IN |
| Thread Length | 1.000 INCHES MINIMUM NUT THREAD IN |
| Thread Pitch Diameters | +0.5702 TO 0.5722 INCHES STUD THREAD IN |
| Thread Direction | RIGHT-HAND STUD THREAD |
| Thread Direction | RIGHT-HAND NUT THREAD |
| Nominal Thread Size | 0.625 INCHES NUT THREAD IN |
| Nominal Thread Size | 0.625 INCHES STUD THREAD IN |
| Thread Class | 2A NUT THREAD A |
| Thread Quantity Per Inch | 18 NUT THREAD |
| Thread Quantity Per Inch | 11 STUD THREAD |
| Material | STEEL |
| Thread Series Designator | UNF NUT THREAD |
| Thread Series Designator | UNS 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 |
|---|---|
| 3326686 PRIMARY | Hatch & Kirk, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 3326686 | 5/9 Secondary reference General Motors Corp Electro-Motive Div |
NSN 5307-00-655-7590 is a Stud,plain, manufactured by Hatch & Kirk, Inc., classified under FSC 5307, Studs. Status: active.
NSN 5307-00-655-7590 has 1 manufacturer part number on file: 3326686 (Hatch & Kirk, Inc.).
1 possible match (shared part number, not a government interchangeability claim): 4020-01-504-5866. Verify interchangeability with system specifications before substitution.
Key specifications for 3326686: Thread Length: 0.938 INCHES NOMINAL STUD THREAD IN; Thread Length: 1.000 INCHES MINIMUM NUT THREAD IN; Thread Pitch Diameters: +0.5702 TO 0.5722 INCHES STUD THREAD IN; Overall Length: 8.875 INCHES NOMINAL IN. 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.