The Screw Assembly,panel, cataloged under National Stock Number 5305-01-104-1070, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Penn Engineering & Manufacturing Corp. Government technical data includes 17 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-104-1070 |
| Primary Part Number | PFK-632-40 |
| Item Name | Screw Assembly,panel |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Penn Engineering & Manufacturing Corp |
| Status | ACTIVE |
| Head Height | 0.070 INCHES MINIMUM AND 0.075 INCHES MAXIMUM IN |
| Fastener Length | 0.469 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | QQ-P-35 TY 1 FED SPEC SINGLE TREATMENT RESPONSE FASTENER |
| Surface Treatment Document and Classification | QQ-P-35 TY 1 FED SPEC SINGLE TREATMENT RESPONSE SPRING |
| Material Accommodated Thickness | 0.060 INCHES NOMINAL IN |
| Nominal Thread Diameter | 0.138 INCHES IN |
| Head Style | FLAT CHAMFER |
| Thread Direction | RIGHT-HAND |
| Surface Treatment | PASSIVATE FASTENER |
| Surface Treatment | PASSIVATE SPRING |
| Internal Drive Style | SLOT |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 32 |
| Material | STEEL COMP 303 FASTENER |
| Material | STEEL COMP 303 SPRING |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Head Diameter | 0.344 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 |
|---|---|
| PFK-632-40 PRIMARY | Penn Engineering & Manufacturing Corp (USA) |
| Reference | Meaning |
|---|---|
| SM-A-990052-4 | 5/9 Secondary reference U.S. Government activity |
| 3255254-1 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
| 277-007-0625 | 5/9 Secondary reference U.S. Government activity |
| PFK632-40 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
NSN 5305-01-104-1070 is a Screw Assembly,panel, manufactured by Penn Engineering & Manufacturing Corp, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-104-1070 has 1 manufacturer part number on file: PFK-632-40 (Penn Engineering & Manufacturing Corp).
Key specifications for PFK-632-40: Head Height: 0.070 INCHES MINIMUM AND 0.075 INCHES MAXIMUM IN; Fastener Length: 0.469 INCHES NOMINAL IN; Surface Treatment Document and Classification: QQ-P-35 TY 1 FED SPEC SINGLE TREATMENT RESPONSE FASTENER; Surface Treatment Document and Classification: QQ-P-35 TY 1 FED SPEC SINGLE TREATMENT RESPONSE SPRING. 17 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.