The Screw,machine, cataloged under National Stock Number 5305-01-356-9540, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Heyco Inc Dba Heyco Products. Government technical data includes 12 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-356-9540 |
| Primary Part Number | V229 |
| Item Name | Screw,machine |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Heyco Inc Dba Heyco Products |
| Status | ACTIVE |
| Head Height | 0.055 INCHES NOMINAL IN |
| Fastener Length | 0.250 INCHES NOMINAL IN |
| Thread Length | 0.208 INCHES NOMINAL IN |
| Nominal Thread Diameter | 0.099 INCHES IN |
| Head Style | PAN NO. 2 |
| Thread Direction | RIGHT-HAND |
| Screw Material | PLASTIC POLYAMIDE NYLON |
| Internal Drive Style | SLOT |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 48 |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Head Diameter | 0.187 INCHES NOMINAL IN |
| 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 |
|---|---|
| V229 PRIMARY | Heyco Inc Dba Heyco Products (USA) |
NSN 5305-01-356-9540 is a Screw,machine, manufactured by Heyco Inc Dba Heyco Products, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-356-9540 has 1 manufacturer part number on file: V229 (Heyco Inc Dba Heyco Products).
Key specifications for V229: Head Height: 0.055 INCHES NOMINAL IN; Fastener Length: 0.250 INCHES NOMINAL IN; Thread Length: 0.208 INCHES NOMINAL IN; Nominal Thread Diameter: 0.099 INCHES IN. 12 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.