The Screw,cap,socket Head, cataloged under National Stock Number 5305-01-386-5283, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Velan Valve Corp.. Government technical data includes 10 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-386-5283 |
| Primary Part Number | 8350-15 ITEM 15 |
| Item Name | Screw,cap,socket Head |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Velan Valve Corp. |
| Status | ACTIVE |
| Fastener Length | 1.500 INCHES NOMINAL IN |
| Material Document and Classification | ASTM A574 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.500 INCHES IN |
| Head Style | FLAT CHAMFER |
| Thread Direction | RIGHT-HAND |
| Internal Drive Style | HEXAGON |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 13 |
| Material | STEEL UNS K03104 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| 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 |
|---|---|
| 8350-15 ITEM 15 PRIMARY | Velan Valve Corp. (USA) |
| Reference | Meaning |
|---|---|
| 122-2404760 PC 35 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
NSN 5305-01-386-5283 is a Screw,cap,socket Head, manufactured by Velan Valve Corp., classified under FSC 5305, Screws. Status: active.
NSN 5305-01-386-5283 has 1 manufacturer part number on file: 8350-15 ITEM 15 (Velan Valve Corp.).
Key specifications for 8350-15 ITEM 15: Fastener Length: 1.500 INCHES NOMINAL IN; Material Document and Classification: ASTM A574 ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Nominal Thread Diameter: 0.500 INCHES IN; Head Style: FLAT CHAMFER. 10 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.