The Screw,cap,hexagon Head, cataloged under National Stock Number 5305-01-441-3222, 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 11 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 | 5305-01-441-3222 |
| Primary Part Number | PWA80635-2 |
| Item Name | Screw,cap,hexagon Head |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney |
| Status | ACTIVE |
| Extended Washer Thickness | 0.062 INCHES NOMINAL IN |
| Fastener Length | 1.000 INCHES NOMINAL IN |
| Extended Washer Diameter | 0.750 INCHES NOMINAL IN |
| Nominal Thread Diameter | 0.312 INCHES IN |
| Head Style | HEXAGON EXTENDED WASHER |
| Thread Direction | RIGHT-HAND |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 18 |
| Material | COPPER ALLOY PRIMARY WASHER |
| Material | STEEL FASTENER |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| 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 |
|---|---|
| PWA80635-2 PRIMARY | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
NSN 5305-01-441-3222 is a Screw,cap,hexagon Head, manufactured by Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-441-3222 has 1 manufacturer part number on file: PWA80635-2 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).
Key specifications for PWA80635-2: Extended Washer Thickness: 0.062 INCHES NOMINAL IN; Fastener Length: 1.000 INCHES NOMINAL IN; Extended Washer Diameter: 0.750 INCHES NOMINAL IN; Nominal Thread Diameter: 0.312 INCHES IN. 11 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.