The Stud,self-Locking, cataloged under National Stock Number 5307-00-970-9609, is classified within Federal Supply Class 5307 (Studs) of the Hardware and Abrasives group. The manufacturer of record is Northrop Grumman Systems Corporation. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5307-00-970-9609 |
| Primary Part Number | 128WM10389-1 |
| Item Name | Stud,self-Locking |
| FSC / FSG | 5307 / 53 — Studs |
| Manufacturer | Northrop Grumman Systems Corporation |
| Status | ACTIVE |
| Thread Length | 0.562 INCHES NOMINAL NUT THREAD IN |
| Style Designator | SELF-LOCKING |
| Material Document and Classification | MIL-S-5000 MIL SPEC SINGLE MATERIAL RESPONSE |
| Thread Direction | RIGHT-HAND NUT THREAD |
| Nominal Thread Size | 0.375 INCHES NUT THREAD IN |
| Head Length | 0.500 INCHES NOMINAL IN |
| Locking Feature | ANY ACCEPTABLE |
| Thread Class | 3A NUT THREAD A |
| Thread Quantity Per Inch | 24 NUT THREAD |
| Material | STEEL COMP E4340 |
| Distance Across Flats | 0.750 INCHES NOMINAL IN |
| Thread Series Designator | UNF NUT THREAD |
| Head Diameter | 0.625 INCHES NOMINAL 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 |
|---|---|
| 128WM10389-1 PRIMARY | Northrop Grumman Systems Corporation (USA) |
| Reference | Meaning |
|---|---|
| 128WM10389-1 | 5/9 Secondary reference Northrop Grumman Systems Corporation |
NSN 5307-00-970-9609 is a Stud,self-Locking, manufactured by Northrop Grumman Systems Corporation, classified under FSC 5307, Studs. Status: active.
NSN 5307-00-970-9609 has 1 manufacturer part number on file: 128WM10389-1 (Northrop Grumman Systems Corporation).
Key specifications for 128WM10389-1: Thread Length: 0.562 INCHES NOMINAL NUT THREAD IN; Style Designator: SELF-LOCKING; Material Document and Classification: MIL-S-5000 MIL SPEC SINGLE MATERIAL RESPONSE; Overall Length: 3.218 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.