The Stud,self-Locking, cataloged under National Stock Number 5307-01-116-1252, 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 6 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5307-01-116-1252 |
| Primary Part Number | FHS-632-20 |
| Item Name | Stud,self-Locking |
| FSC / FSG | 5307 / 53 — Studs |
| Manufacturer | Penn Engineering & Manufacturing Corp |
| Status | ACTIVE |
| Thread Length | 1.160 INCHES NOMINAL NUT THREAD IN |
| Style Designator | SELF-LOCKING |
| Head Length | 0.080 INCHES MINIMUM AND 0.090 INCHES MAXIMUM IN |
| Locking Feature | SELF-CLINCHING HEAD |
| Thread Class | 2A NUT THREAD A |
| Head Diameter | 0.203 INCHES MINIMUM AND 0.233 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 |
|---|---|
| FHS-632-20 PRIMARY | Penn Engineering & Manufacturing Corp (USA) |
| 623507-3 | Honeywell Limited Dba Honeywell Aerospace Toronto Div Aerospace-Toronto (CAN) |
| Reference | Meaning |
|---|---|
| 048857-632-20 | 5/2 Secondary reference U.S. Government activity |
| 10116397 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
NSN 5307-01-116-1252 is a Stud,self-Locking, manufactured by Penn Engineering & Manufacturing Corp, classified under FSC 5307, Studs. Status: active.
NSN 5307-01-116-1252 has 2 manufacturer part numbers on file: FHS-632-20 (Penn Engineering & Manufacturing Corp), 623507-3 (Honeywell Limited Dba Honeywell Aerospace Toronto Div Aerospace-Toronto).
1 possible match (shared part number, not a government interchangeability claim): 5307-01-195-0587. Verify interchangeability with system specifications before substitution.
Key specifications for FHS-632-20: Thread Length: 1.160 INCHES NOMINAL NUT THREAD IN; Style Designator: SELF-LOCKING; Overall Length: 1.235 INCHES MINIMUM AND 1.265 INCHES MAXIMUM IN; Head Length: 0.080 INCHES MINIMUM AND 0.090 INCHES MAXIMUM IN. 6 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.