The Screw,machine, cataloged under National Stock Number 5305-01-364-4541, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Mpc Products Corporation Dba Woodward Mpc, Inc.. Government technical data includes 13 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 | 5305-01-364-4541 |
| Primary Part Number | 991-D568-421L |
| Item Name | Screw,machine |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Mpc Products Corporation Dba Woodward Mpc, Inc. |
| Status | ACTIVE |
| Screw Surface Treatment | PASSIVATE |
| Fastener Length | 0.626 INCHES MINIMUM AND 0.656 INCHES MAXIMUM IN |
| Thread Length | 0.509 INCHES MINIMUM AND 0.589 INCHES MAXIMUM IN |
| Nominal Thread Diameter | 0.112 INCHES IN |
| Head Style | FLAT COUNTERSUNK |
| Thread Direction | RIGHT-HAND |
| Screw Material | STEEL COMP 302 OR STEEL COMP 302B OR STEEL COMP 303 OR STEEL COMP 303 PLUS X OR STEEL COMP 303SE OR STEEL COMP 303CU OR STEEL COMP 303MA OR STEEL COMP 304 OR STEEL COMP 304L |
| Internal Drive Style | SLOT |
| Countersink Angle | 80.0 DEGREES MINIMUM AND 82.0 DEGREES MAXIMUM |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 40 |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Head Diameter | 0.195 INCHES MINIMUM AND 0.225 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 |
|---|---|
| 991-D568-421L PRIMARY | Mpc Products Corporation Dba Woodward Mpc, Inc. (USA) |
NSN 5305-01-364-4541 is a Screw,machine, manufactured by Mpc Products Corporation Dba Woodward Mpc, Inc., classified under FSC 5305, Screws. Status: active.
NSN 5305-01-364-4541 has 1 manufacturer part number on file: 991-D568-421L (Mpc Products Corporation Dba Woodward Mpc, Inc.).
Key specifications for 991-D568-421L: Screw Surface Treatment: PASSIVATE; Fastener Length: 0.626 INCHES MINIMUM AND 0.656 INCHES MAXIMUM IN; Thread Length: 0.509 INCHES MINIMUM AND 0.589 INCHES MAXIMUM IN; Nominal Thread Diameter: 0.112 INCHES IN. 13 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.