The Screw Assembly,panel, cataloged under National Stock Number 5305-01-073-4559, 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 11 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Screw Assembly,panel |
| FSC / FSG | 5305 — Screws (FSG 53) |
| Manufacturers | Penn Engineering & Manufacturing Corp (CAGE 46384) |
| Parameter | Value |
|---|---|
| NSN | 5305-01-073-4559 |
| Primary Part Number | PFK-M3-40 |
| Item Name | Screw Assembly,panel |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Penn Engineering & Manufacturing Corp |
| Status | ACTIVE |
| Head Height | 1.9 MILLIMETERS NOMINAL MM |
| Fastener Length | 13.5 MILLIMETERS NOMINAL MM |
| Material Accommodated Thickness | 4.90 MILLIMETERS MAXIMUM MM |
| Thread Pitch in Millimeters | 0.5 |
| Thread Length | 5.5 MILLIMETERS NOMINAL MM |
| Nominal Thread Diameter | 3.0 MILLIMETERS MM |
| Head Style | KNURLED NO. 2 |
| Thread Direction | RIGHT-HAND |
| Material | STEEL COMP 303 OVERALL |
| Thread Series Designator | M |
| Head Diameter | 8.2 MILLIMETERS NOMINAL 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 |
|---|---|
| PFK-M3-40 PRIMARY | Penn Engineering & Manufacturing Corp (USA) |
| Reference | Meaning |
|---|---|
| 91376363 | 5/9 Secondary reference Thales Communications |
NSN 5305-01-073-4559 is a Screw Assembly,panel, manufactured by Penn Engineering & Manufacturing Corp, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-073-4559 has 1 manufacturer part number on file: PFK-M3-40 (Penn Engineering & Manufacturing Corp).
Key specifications for PFK-M3-40: Head Height: 1.9 MILLIMETERS NOMINAL MM; Fastener Length: 13.5 MILLIMETERS NOMINAL MM; Material Accommodated Thickness: 4.90 MILLIMETERS MAXIMUM MM; Thread Pitch in Millimeters: 0.5. 11 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.