The Screw,tapping, cataloged under National Stock Number 5305-00-899-7339, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Westinghouse Electric Corp. Government technical data includes 9 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5305-00-899-7339 |
| Primary Part Number | 335C596D0440C03 |
| Item Name | Screw,tapping |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Westinghouse Electric Corp |
| Status | ACTIVE |
| Nonmachine Nominal Thread Diameter | 0.112 INCHES IN |
| Head Height | 0.063 INCHES NOMINAL IN |
| Fastener Length | 0.188 INCHES NOMINAL IN |
| Nonmachine Thread Style | WIDE FLUTE (TYPE T) |
| Head Style | PAN |
| Surface Treatment | CADMIUM OVERALL |
| Internal Drive Style | SLOT |
| Material | STEEL OVERALL |
| Head Diameter | 0.212 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 |
|---|---|
| 335C596D0440C03 | Westinghouse Electric Corp (USA) |
| Reference | Meaning |
|---|---|
| 335C596D0440C03 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5305-00-899-7339 is a Screw,tapping, manufactured by Westinghouse Electric Corp, classified under FSC 5305, Screws. Status: active.
NSN 5305-00-899-7339 has 1 manufacturer part number on file: 335C596D0440C03 (Westinghouse Electric Corp).
Key specifications for 335C596D0440C03: Nonmachine Nominal Thread Diameter: 0.112 INCHES IN; Head Height: 0.063 INCHES NOMINAL IN; Fastener Length: 0.188 INCHES NOMINAL IN; Nonmachine Thread Style: WIDE FLUTE (TYPE T). 9 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.