The Screw,cap,hexagon Head, cataloged under National Stock Number 5305-01-417-3856, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Velan 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Screw,cap,hexagon Head |
| FSC / FSG | 5305 — Screws (FSG 53) |
| Manufacturers | Velan Valve Corp. (CAGE 57574) |
| Parameter | Value |
|---|---|
| NSN | 5305-01-417-3856 |
| Primary Part Number | VS40-012 NO. 18 |
| Item Name | Screw,cap,hexagon Head |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Velan 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 |
|---|---|
| VS40-012 NO. 18 PRIMARY | Velan Valve Corp. (USA) |
| Reference | Meaning |
|---|---|
| V400-012 NO. 18 | 5/9 Secondary reference Velan Valve Corp. |
| 5/8-11UNC-2AX1- 1/4LG | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
NSN 5305-01-417-3856 is a Screw,cap,hexagon Head, manufactured by Velan Valve Corp., classified under FSC 5305, Screws. Status: active.
NSN 5305-01-417-3856 has 1 manufacturer part number on file: VS40-012 NO. 18 (Velan Valve Corp.).
1 possible match (shared part number, not a government interchangeability claim): 5305-01-433-9856. 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.