The Screw,machine, cataloged under National Stock Number 5305-00-941-3785, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney. Government technical data includes 15 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-00-941-3785 |
| Primary Part Number | 490164 |
| Item Name | Screw,machine |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney |
| Status | ACTIVE |
| Head Height | 0.135 INCHES NOMINAL IN |
| Screw Surface Treatment | NICKEL AND CADMIUM |
| Fastener Length | 0.592 INCHES NOMINAL IN |
| Screw Material Document and Classification | AMS 6304 ASSN STD SINGLE MATERIAL RESPONSE |
| Thread Length | 0.592 INCHES MINIMUM IN |
| Hardness Rating | 30.0 ROCKWELL C NOMINAL |
| Nominal Thread Diameter | 0.190 INCHES IN |
| Head Style | FILLISTER |
| Thread Direction | RIGHT-HAND |
| Screw Material | STEEL COMP 601 |
| Internal Drive Style | SLOT |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 32 |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Head Diameter | 0.313 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 |
|---|---|
| 490164 | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| 490164 PRIMARY | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
| Reference | Meaning |
|---|---|
| 490164 | 5/2 Secondary reference U.S. Government activity |
| 490164 | 5/2 Secondary reference U.S. Government activity |
| 490164 | 5/9 Secondary reference Turbo Power & Marine System Inc Sub of United Technologies Corp |
| 490164 | 5/9 Secondary reference Mercury Aerospace Fasteners Inc |
NSN 5305-00-941-3785 is a Screw,machine, manufactured by Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney, classified under FSC 5305, Screws. Status: active.
NSN 5305-00-941-3785 has 2 manufacturer part numbers on file: 490164 (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company), 490164 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).
Key specifications for 490164: Head Height: 0.135 INCHES NOMINAL IN; Screw Surface Treatment: NICKEL AND CADMIUM; Fastener Length: 0.592 INCHES NOMINAL IN; Screw Material Document and Classification: AMS 6304 ASSN STD SINGLE MATERIAL RESPONSE. 15 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.