The Setscrew, cataloged under National Stock Number 5305-01-086-3556, 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 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-086-3556 |
| Primary Part Number | 722-020-003 |
| Item Name | Setscrew |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Parker-Hannifin Corporation Dba Service and Support Operation Div Services and Support Operations |
| Status | ACTIVE |
| Fastener Length | 0.210 INCHES MINIMUM AND 0.230 INCHES MAXIMUM IN |
| Thread Length | 0.210 INCHES MINIMUM AND 0.230 INCHES MAXIMUM IN |
| Nominal Thread Diameter | 0.250 INCHES IN |
| Head Style | HEADLESS (SETSCREW) |
| Thread Direction | RIGHT-HAND |
| Point Style | CUP |
| Internal Drive Style | SLOT |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 28 |
| Material | COPPER ALLOY 260 OR COPPER ALLOY 268 OR COPPER ALLOY 274 OR COPPER ALLOY 353 OR COPPER ALLOY 360 OR COPPER ALLOY 270 OR COPPER ALLOY 342 OVERALL |
| Thread Series Designator | UNF |
| 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 |
|---|---|
| 722-020-003 PRIMARY | Parker-Hannifin Corporation Dba Service and Support Operation Div Services and Support Operations (USA) |
| Reference | Meaning |
|---|---|
| 722-020-003 | 5/9 Secondary reference Parker-Hannifin Corporation Dba Pneutronics Div Fluid Systems Division |
NSN 5305-01-086-3556 is a Setscrew, manufactured by Parker-Hannifin Corporation Dba Service and Support Operation Div Services and Support Operations, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-086-3556 has 1 manufacturer part number on file: 722-020-003 (Parker-Hannifin Corporation Dba Service and Support Operation Div Services and Support Operations).
Key specifications for 722-020-003: Fastener Length: 0.210 INCHES MINIMUM AND 0.230 INCHES MAXIMUM IN; Thread Length: 0.210 INCHES MINIMUM AND 0.230 INCHES MAXIMUM IN; Nominal Thread Diameter: 0.250 INCHES IN; Head Style: HEADLESS (SETSCREW). 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.