The Screw,machine, cataloged under National Stock Number 5305-01-183-4973, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Ontic Engineering & Manufacturing, Inc Dba Ontic Us. Government technical data includes 13 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5305-01-183-4973 |
| Primary Part Number | 942996-1 |
| Item Name | Screw,machine |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Ontic Engineering & Manufacturing, Inc Dba Ontic Us |
| Status | ACTIVE |
| Head Height | 0.028 INCHES NOMINAL IN |
| Screw Surface Treatment | PASSIVATE |
| Fastener Length | 0.125 INCHES NOMINAL IN |
| Thread Length | 0.125 INCHES NOMINAL IN |
| Nominal Thread Diameter | 0.073 INCHES IN |
| Head Style | FILLISTER |
| Thread Direction | RIGHT-HAND |
| Screw Material | STEEL CORROSION RESISTING |
| Internal Drive Style | SLOT |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 72 |
| Thread Series Designator | UNF |
| Head Diameter | 0.154 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 |
|---|---|
| 942996-1 | Ontic Engineering & Manufacturing, Inc Dba Ontic Us (USA) |
| Reference | Meaning |
|---|---|
| 942996-1 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5305-01-183-4973 is a Screw,machine, manufactured by Ontic Engineering & Manufacturing, Inc Dba Ontic Us, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-183-4973 has 1 manufacturer part number on file: 942996-1 (Ontic Engineering & Manufacturing, Inc Dba Ontic Us).
Key specifications for 942996-1: Head Height: 0.028 INCHES NOMINAL IN; Screw Surface Treatment: PASSIVATE; Fastener Length: 0.125 INCHES NOMINAL IN; Thread Length: 0.125 INCHES NOMINAL IN. 13 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.