The Stud,self-Locking, cataloged under National Stock Number 5307-01-447-4443, is classified within Federal Supply Class 5307 (Studs) of the Hardware and Abrasives group. The manufacturer of record is Penn Engineering & Manufacturing Corp. Government technical data includes 4 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5307-01-447-4443 |
| Primary Part Number | CFHA-M4-20 |
| Item Name | Stud,self-Locking |
| FSC / FSG | 5307 / 53 — Studs |
| Manufacturer | Penn Engineering & Manufacturing Corp |
| Status | ACTIVE |
| Style Designator | SELF-LOCKING |
| Head Length | 1.91 MILLIMETERS MAXIMUM MM |
| Distance Across Flats | 8.08 MILLIMETERS MINIMUM AND 9.58 MILLIMETERS MAXIMUM MM |
| Head Diameter | 7.34 MILLIMETERS MAXIMUM MM |
| 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 |
|---|---|
| 77091289 | Nokia Networks France (FRA) |
| CFHA-M4-20 PRIMARY | Penn Engineering & Manufacturing Corp (USA) |
| Reference | Meaning |
|---|---|
| 77091289 | 5/9 Secondary reference Alcatel Telspace |
NSN 5307-01-447-4443 is a Stud,self-Locking, manufactured by Penn Engineering & Manufacturing Corp, classified under FSC 5307, Studs. Status: active.
NSN 5307-01-447-4443 has 2 manufacturer part numbers on file: 77091289 (Nokia Networks France), CFHA-M4-20 (Penn Engineering & Manufacturing Corp).
Key specifications for CFHA-M4-20: Style Designator: SELF-LOCKING; Overall Length: 16.0 MILLIMETERS MINIMUM AND 24.0 MILLIMETERS MAXIMUM MM; Head Length: 1.91 MILLIMETERS MAXIMUM MM; Special Features: MATERIAL ALUMINUM AND STAINLESS STEEL STUDS. 4 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.