The Screw,machine, cataloged under National Stock Number 5305-01-166-2604, 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 13 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-166-2604 |
| Primary Part Number | 471046 |
| Item Name | Screw,machine |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney |
| Status | ACTIVE |
| Head Height | 0.115 INCHES MINIMUM AND 0.135 INCHES MAXIMUM IN |
| Fastener Length | 1.178 INCHES MINIMUM AND 1.198 INCHES MAXIMUM IN |
| Screw Material Document and Classification | PWA-S-7477,FSCM 77445 MFR REF SINGLE MATERIAL RESPONSE |
| Thread Length | 0.553 INCHES MINIMUM AND 0.633 INCHES MAXIMUM IN |
| Nominal Thread Diameter | 0.190 INCHES IN |
| Head Style | PAN NO. 2 |
| Thread Direction | RIGHT-HAND |
| Screw Material | IRON ALLOY 660 |
| Internal Drive Style | SLOT |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 32 |
| Thread Series Designator | UNF |
| Head Diameter | 0.292 INCHES MINIMUM AND 0.313 INCHES MAXIMUM 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 |
|---|---|
| 471046 PRIMARY | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
| 471046 | Thompson Aerospace, Llc Dba Thompson Aerospace Llc (USA) |
| Reference | Meaning |
|---|---|
| 471046 | 5/9 Secondary reference Precision Speed Manufacturing, Llc |
| 471046 | 5/9 Secondary reference U.S. Government activity |
NSN 5305-01-166-2604 is a Screw,machine, manufactured by Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-166-2604 has 2 manufacturer part numbers on file: 471046 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney), 471046 (Thompson Aerospace, Llc Dba Thompson Aerospace Llc).
Key specifications for 471046: Head Height: 0.115 INCHES MINIMUM AND 0.135 INCHES MAXIMUM IN; Fastener Length: 1.178 INCHES MINIMUM AND 1.198 INCHES MAXIMUM IN; Screw Material Document and Classification: PWA-S-7477,FSCM 77445 MFR REF SINGLE MATERIAL RESPONSE; Thread Length: 0.553 INCHES MINIMUM AND 0.633 INCHES MAXIMUM 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.