The Stud,self-Locking, cataloged under National Stock Number 5307-01-437-3894, is classified within Federal Supply Class 5307 (Studs) of the Hardware and Abrasives group. The manufacturer of record is Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp. Government technical data includes 13 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5307-01-437-3894 |
| Primary Part Number | 860336-193 |
| Item Name | Stud,self-Locking |
| FSC / FSG | 5307 / 53 — Studs |
| Manufacturer | Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp |
| Status | ACTIVE |
| Thread Length | 0.375 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN |
| Style Designator | SELF-LOCKING |
| Thread Direction | RIGHT-HAND LOCATION NOT OTHERWISE SPECIFIED |
| Nominal Thread Size | 0.112 INCHES LOCATION NOT OTHERWISE SPECIFIED IN |
| Head Length | 0.172 INCHES MINIMUM AND 0.182 INCHES MAXIMUM IN |
| Locking Feature | SELF-CLINCHING HEAD |
| Surface Treatment | PASSIVATE OVERALL |
| Thread Class | 2A LOCATION NOT OTHERWISE SPECIFIED A |
| Thread Quantity Per Inch | 40 LOCATION NOT OTHERWISE SPECIFIED |
| Material | STEEL COMP 303 |
| Distance Across Flats | 0.188 INCHES NOMINAL IN |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) LOCATION NOT OTHERWISE SPECIFIED |
| Head Diameter | 0.155 INCHES MINIMUM AND 0.159 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 |
|---|---|
| NCS-4S-6-12 | Pics Screw Machine, Inc. Dba Pics Screw Machine Inc (USA) |
| 860336-193 PRIMARY | Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp (USA) |
| Reference | Meaning |
|---|---|
| 860336-193 | 5/9 Secondary reference Litton Systems Inc. Div Navigation Systems Division |
NSN 5307-01-437-3894 is a Stud,self-Locking, manufactured by Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp, classified under FSC 5307, Studs. Status: active.
NSN 5307-01-437-3894 has 2 manufacturer part numbers on file: NCS-4S-6-12 (Pics Screw Machine, Inc. Dba Pics Screw Machine Inc), 860336-193 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp).
Key specifications for 860336-193: Thread Length: 0.375 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN; Style Designator: SELF-LOCKING; Overall Length: 0.360 INCHES MINIMUM AND 0.390 INCHES MAXIMUM IN; Thread Direction: RIGHT-HAND LOCATION NOT OTHERWISE SPECIFIED. 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.