The Stud,self-Locking, cataloged under National Stock Number 5307-00-570-7197, 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 12 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 10 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 5307-00-570-7197 |
| Primary Part Number | FHS440-5 |
| Item Name | Stud,self-Locking |
| FSC / FSG | 5307 / 53 — Studs |
| Manufacturer | Penn Engineering & Manufacturing Corp |
| Status | CANCELLED |
| Thread Length | 0.232 INCHES NOMINAL NUT THREAD IN |
| Style Designator | SELF-LOCKING |
| Thread Direction | RIGHT-HAND NUT THREAD |
| Nominal Thread Size | 0.112 INCHES NUT THREAD IN |
| Head Length | 0.075 INCHES MINIMUM IN |
| Locking Feature | HEAD DISTORTIONS |
| Surface Treatment | PASSIVATE OVERALL |
| Thread Class | 2A NUT THREAD A |
| Thread Quantity Per Inch | 40 NUT THREAD |
| Material | STEEL CORROSION RESISTING |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) NUT THREAD |
| Head Diameter | 0.188 INCHES NOMINAL IN |
| Acquisition Status | CANCELLED |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| FHS440-5 PRIMARY | Penn Engineering & Manufacturing Corp (USA) |
| 540459-005C | Bastogi Sistemi Spa (ITA) |
| 540459-005C | Leonardo S.p.a. Security & Information System Division (ITA) |
| Reference | Meaning |
|---|---|
| 2504345-15 | 7/2 Vendor item drawing reference Honeywell International Inc. Dba Honeywell International |
| G355686-1 | 5/9 Secondary reference American Telephone and Telegraph Co |
| 7109230-001 | 7/2 Vendor item drawing reference U.S. Government activity |
| FHS4-40-5X | 5/9 Secondary reference Penn Engineering & Manufacturing Corp |
| 971227-12 | 5/2 Secondary reference U.S. Government activity |
| 500-173-2 | 5/9 Secondary reference Tempo Instrument Inc Defense Electronics Div |
| G355686-1 | 5/9 Secondary reference U.S. Government activity |
| 10116385 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
| 7901640-005 | 7/2 Vendor item drawing reference U.S. Government activity |
| 500-173-2 | 7/2 Vendor item drawing reference B.c. Systems Inc. Dba Bc Systems Inc |
NSN 5307-00-570-7197 is a Stud,self-Locking, manufactured by Penn Engineering & Manufacturing Corp, classified under FSC 5307, Studs. Status: cancelled.
NSN 5307-00-570-7197 has 3 manufacturer part numbers on file: FHS440-5 (Penn Engineering & Manufacturing Corp), 540459-005C (Bastogi Sistemi Spa), 540459-005C (Leonardo S.p.a. Security & Information System Division).
Key specifications for FHS440-5: Thread Length: 0.232 INCHES NOMINAL NUT THREAD IN; Style Designator: SELF-LOCKING; Overall Length: 0.312 INCHES NOMINAL IN; Thread Direction: RIGHT-HAND NUT THREAD. 12 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.
NSN 5307-00-570-7197 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.
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.