The Screw Assembly,panel, cataloged under National Stock Number 5305-01-643-3296, 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 14 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-643-3296 |
| Primary Part Number | PFC2-M4-94 |
| Item Name | Screw Assembly,panel |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Penn Engineering & Manufacturing Corp |
| Status | ACTIVE |
| Head Height | 1.95 MILLIMETERS MINIMUM AND 2.21 MILLIMETERS MAXIMUM MM |
| Fastener Length | 23.93 MILLIMETERS MINIMUM AND 25.73 MILLIMETERS MAXIMUM MM |
| Thread Pitch in Millimeters | 0.7 |
| Thread Length | 17.83 MILLIMETERS NOMINAL MM |
| Hardness Rating | 70.0 ROCKWELL B MAXIMUM THREADS |
| Nominal Thread Diameter | 4.0 MILLIMETERS MM |
| Thread Direction | RIGHT-HAND |
| Color | BLUE RING |
| Surface Treatment | PASSIVATE FASTENER |
| Internal Drive Style | SLOT |
| Material | STEEL COMP 303 FASTENER |
| Material | STEEL COMP 303 SPRING |
| Thread Series Designator | ISO M |
| Head Diameter | 9.28 MILLIMETERS MINIMUM AND 9.78 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 |
|---|---|
| PFC2-M4-94 PRIMARY | Penn Engineering & Manufacturing Corp (USA) |
NSN 5305-01-643-3296 is a Screw Assembly,panel, manufactured by Penn Engineering & Manufacturing Corp, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-643-3296 has 1 manufacturer part number on file: PFC2-M4-94 (Penn Engineering & Manufacturing Corp).
Key specifications for PFC2-M4-94: Head Height: 1.95 MILLIMETERS MINIMUM AND 2.21 MILLIMETERS MAXIMUM MM; Fastener Length: 23.93 MILLIMETERS MINIMUM AND 25.73 MILLIMETERS MAXIMUM MM; Thread Pitch in Millimeters: 0.7; Thread Length: 17.83 MILLIMETERS NOMINAL MM. 14 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.