The Screw,special, cataloged under National Stock Number 5305-01-157-7253, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Metrex Valve Corp. Dba Metrex Valve Corp. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Screw,special |
| FSC / FSG | 5305 — Screws (FSG 53) |
| Manufacturers | Metrex Valve Corp. Dba Metrex Valve Corp (CAGE 21013) |
| Parameter | Value |
|---|---|
| NSN | 5305-01-157-7253 |
| Primary Part Number | CW3120 PIECE 9 |
| Item Name | Screw,special |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Metrex Valve Corp. Dba Metrex Valve Corp |
| 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 |
|---|---|
| CW3120 PIECE 9 PRIMARY | Metrex Valve Corp. Dba Metrex Valve Corp (USA) |
| Reference | Meaning |
|---|---|
| N3040-95B-3 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
| N3040-95B-3 | 3/9 Design control — primary reference Metrex Valve Corp. Dba Metrex Valve Corp |
NSN 5305-01-157-7253 is a Screw,special, manufactured by Metrex Valve Corp. Dba Metrex Valve Corp, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-157-7253 has 1 manufacturer part number on file: CW3120 PIECE 9 (Metrex Valve Corp. Dba Metrex Valve Corp).
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.