The Screw,machine, cataloged under National Stock Number 5305-01-672-9070, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Mutual Screw Machine and Mfg Co. Government technical data includes 13 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-672-9070 |
| Primary Part Number | M46MPF188KC |
| Item Name | Screw,machine |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Mutual Screw Machine and Mfg Co |
| Status | ACTIVE |
| External Thread Tolerance Class | 6G G |
| Screw Surface Treatment | PASSIVATE |
| Fastener Length | 6.0 MILLIMETERS NOMINAL MM |
| Thread Pitch in Millimeters | 0.7 |
| Thread Length | 3.8 MILLIMETERS MINIMUM MM |
| Nominal Thread Diameter | 4.0 MILLIMETERS MM |
| Head Style | FLAT COUNTERSUNK |
| Thread Direction | RIGHT-HAND |
| Screw Material | STEEL COMP 316 |
| Internal Drive Style | CROSS RECESS TYPE II |
| Countersink Angle | 90.0 DEGREES NOMINAL |
| Thread Series Designator | M |
| Head Diameter | 7.5 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 |
|---|---|
| 91801A210 | Marine Fasteners Inc (USA) |
| M46MPF188KC PRIMARY | Mutual Screw Machine and Mfg Co (USA) |
NSN 5305-01-672-9070 is a Screw,machine, manufactured by Mutual Screw Machine and Mfg Co, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-672-9070 has 2 manufacturer part numbers on file: 91801A210 (Marine Fasteners Inc), M46MPF188KC (Mutual Screw Machine and Mfg Co).
Key specifications for M46MPF188KC: External Thread Tolerance Class: 6G G; Screw Surface Treatment: PASSIVATE; Fastener Length: 6.0 MILLIMETERS NOMINAL MM; Thread Pitch in Millimeters: 0.7. 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.