The Stud,self-Locking, cataloged under National Stock Number 5307-00-015-3885, is classified within Federal Supply Class 5307 (Studs) of the Hardware and Abrasives group. The manufacturer of record is Viking Technologies, Ltd.. 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5307-00-015-3885 |
| Primary Part Number | NCS4-3-22 |
| Item Name | Stud,self-Locking |
| FSC / FSG | 5307 / 53 — Studs |
| Manufacturer | Viking Technologies, Ltd. |
| Status | ACTIVE |
| Surface Treatment Document and Classification | MIL-F-14072,E300 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 0.673 INCHES MINIMUM AND 0.703 INCHES MAXIMUM NUT THREAD IN |
| Style Designator | SELF-LOCKING |
| Material Document and Classification | QQ-S-764 FED SPEC SINGLE MATERIAL RESPONSE |
| Thread Direction | RIGHT-HAND NUT THREAD |
| Nominal Thread Size | 0.112 INCHES NUT THREAD IN |
| Head Length | 0.080 INCHES MINIMUM AND 0.090 INCHES MAXIMUM IN |
| Locking Feature | HEAD DISTORTIONS |
| Surface Treatment | PASSIVATE OVERALL |
| Thread Class | 2A NUT THREAD A |
| Thread Quantity Per Inch | 40 NUT THREAD |
| Material | STEEL COMP 305 |
| Distance Across Flats | 0.250 INCHES NOMINAL IN |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) NUT THREAD |
| Head Diameter | 0.197 INCHES MINIMUM AND 0.201 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 |
NSN 5307-00-015-3885 is a Stud,self-Locking, manufactured by Viking Technologies, Ltd., classified under FSC 5307, Studs. Status: active.
NSN 5307-00-015-3885 has 2 manufacturer part numbers on file: NCS4-3-22 (Viking Technologies, Ltd.), NCS4-3-22 (Pics Screw Machine, Inc. Dba Pics Screw Machine Inc).
Key specifications for NCS4-3-22: Surface Treatment Document and Classification: MIL-F-14072,E300 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL; Thread Length: 0.673 INCHES MINIMUM AND 0.703 INCHES MAXIMUM NUT THREAD IN; Style Designator: SELF-LOCKING; Material Document and Classification: QQ-S-764 FED SPEC SINGLE MATERIAL RESPONSE. 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.