The Screw,shoulder, cataloged under National Stock Number 5305-01-063-2355, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Parker-Hannifin Corporation Dba Service and Support Operation Div Services and Support Operations. Government technical data includes 14 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5305-01-063-2355 |
| Primary Part Number | 722-027-001 |
| Item Name | Screw,shoulder |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Parker-Hannifin Corporation Dba Service and Support Operation Div Services and Support Operations |
| Status | ACTIVE |
| Head Height | 0.080 INCHES NOMINAL IN |
| Fastener Length | 0.290 INCHES NOMINAL IN |
| Thread Length | 0.145 INCHES NOMINAL IN |
| Shoulder Shape | ROUND FIRST SHOULDER |
| Nominal Thread Diameter | 0.112 INCHES IN |
| Head Style | FLAT CHAMFER |
| Thread Direction | RIGHT-HAND |
| Surface Treatment | PASSIVATE OVERALL |
| Internal Drive Style | SLOT |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 40 |
| Material | STEEL COMP 303 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Head Diameter | 0.210 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 |
|---|---|
| 722-027-001 PRIMARY | Parker-Hannifin Corporation Dba Service and Support Operation Div Services and Support Operations (USA) |
| Reference | Meaning |
|---|---|
| 722-027-001 | 5/9 Secondary reference Parker-Hannifin Corporation Dba Pneutronics Div Fluid Systems Division |
NSN 5305-01-063-2355 is a Screw,shoulder, manufactured by Parker-Hannifin Corporation Dba Service and Support Operation Div Services and Support Operations, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-063-2355 has 1 manufacturer part number on file: 722-027-001 (Parker-Hannifin Corporation Dba Service and Support Operation Div Services and Support Operations).
Key specifications for 722-027-001: Head Height: 0.080 INCHES NOMINAL IN; Fastener Length: 0.290 INCHES NOMINAL IN; Thread Length: 0.145 INCHES NOMINAL IN; Shoulder Shape: ROUND FIRST SHOULDER. 14 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.