The Screw,machine, cataloged under National Stock Number 5305-01-376-9619, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Anritsu Instruments Company Div Mbu. The record lists 3 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Screw,machine |
| FSC / FSG | 5305 — Screws (FSG 53) |
| Manufacturers | Anritsu Instruments Company Div Mbu (CAGE 51275); Small Parts Inc. (CAGE 2K300) |
| Parameter | Value |
|---|---|
| NSN | 5305-01-376-9619 |
| Primary Part Number | 22981 |
| Item Name | Screw,machine |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Anritsu Instruments Company Div Mbu |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| 22981 PRIMARY | Anritsu Instruments Company Div Mbu (USA) |
| MPX-440-3P | Small Parts Inc. (USA) |
| MPX-440-9P | Small Parts Inc. (USA) |
| Reference | Meaning |
|---|---|
| J-MPX-4-40-3/16 | 5/9 Secondary reference Small Parts Inc. |
NSN 5305-01-376-9619 is a Screw,machine, manufactured by Anritsu Instruments Company Div Mbu, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-376-9619 has 3 manufacturer part numbers on file: 22981 (Anritsu Instruments Company Div Mbu), MPX-440-3P (Small Parts Inc.), MPX-440-9P (Small Parts Inc.).
2 possible matches (shared part number, not a government interchangeability claim): 4210-01-593-5497, 3040-01-733-8959. Verify interchangeability with system specifications before substitution.
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.