The Stud,self-Locking, cataloged under National Stock Number 5307-01-321-8784, is classified within Federal Supply Class 5307 (Studs) of the Hardware and Abrasives group. The manufacturer of record is Boonton Electronics Corporation Div Boonton Electronics. Government technical data includes 14 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5307-01-321-8784 |
| Primary Part Number | 745144000 |
| Item Name | Stud,self-Locking |
| FSC / FSG | 5307 / 53 — Studs |
| Manufacturer | Boonton Electronics Corporation Div Boonton Electronics |
| Status | ACTIVE |
| Surface Treatment Document and Classification | ASTM B633 TY 1 CL 3 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 0.313 INCHES MINIMUM AND 0.375 INCHES MAXIMUM NUT THREAD IN |
| Hardness Rating | 80.0 ROCKWELL C NOMINAL |
| Style Designator | SELF-LOCKING |
| Thread Direction | RIGHT-HAND NUT THREAD |
| Nominal Thread Size | 0.138 INCHES NUT THREAD IN |
| Head Length | 0.040 INCHES MINIMUM AND 0.060 INCHES MAXIMUM IN |
| Locking Feature | SELF-CLINCHING HEAD |
| Surface Treatment | ZINC OVERALL |
| Thread Class | 2A NUT THREAD A |
| Thread Quantity Per Inch | 32 NUT THREAD |
| Material | STEEL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) NUT THREAD |
| Head Diameter | 0.219 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 |
|---|---|
| 745144000 PRIMARY | Boonton Electronics Corporation Div Boonton Electronics (USA) |
| Reference | Meaning |
|---|---|
| FH-632-6Z | 5/9 Secondary reference Richco Inc |
| FH-632-6Z | 5/9 Secondary reference Penn Engineering & Manufacturing Corp |
NSN 5307-01-321-8784 is a Stud,self-Locking, manufactured by Boonton Electronics Corporation Div Boonton Electronics, classified under FSC 5307, Studs. Status: active.
NSN 5307-01-321-8784 has 1 manufacturer part number on file: 745144000 (Boonton Electronics Corporation Div Boonton Electronics).
Key specifications for 745144000: Surface Treatment Document and Classification: ASTM B633 TY 1 CL 3 ASSN STD SINGLE TREATMENT RESPONSE OVERALL; Thread Length: 0.313 INCHES MINIMUM AND 0.375 INCHES MAXIMUM NUT THREAD IN; Hardness Rating: 80.0 ROCKWELL C NOMINAL; Style Designator: SELF-LOCKING. 14 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.