The Setscrew, cataloged under National Stock Number 5305-00-522-6988, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Army, United States Department of the Dba Rock Island Arsenal Jmtc. Government technical data includes 15 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5305-00-522-6988 |
| Primary Part Number | 5226988 |
| Item Name | Setscrew |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Army, United States Department of the Dba Rock Island Arsenal Jmtc |
| Status | ACTIVE |
| Point Diameter | 0.368 INCHES MINIMUM AND 0.370 INCHES MAXIMUM IN |
| Point Length | 0.156 INCHES NOMINAL IN |
| Fastener Length | 0.594 INCHES NOMINAL IN |
| Thread Length | 0.594 INCHES MAXIMUM IN |
| Nominal Thread Diameter | 0.500 INCHES IN |
| Head Style | HEADLESS (SETSCREW) |
| Thread Direction | RIGHT-HAND |
| Point Style | DOG |
| Surface Treatment | PHOSPHATE OVERALL |
| Minimum Yield Strength | 50000 POUNDS PER SQUARE INCH LBS |
| Internal Drive Style | SLOT |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 20 |
| Material | STEEL 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 |
|---|---|
| 5226988 PRIMARY | Army, United States Department of the Dba Rock Island Arsenal Jmtc (USA) |
| Reference | Meaning |
|---|---|
| A226988 | 5/9 Secondary reference CAGE 00000 |
NSN 5305-00-522-6988 is a Setscrew, manufactured by Army, United States Department of the Dba Rock Island Arsenal Jmtc, classified under FSC 5305, Screws. Status: active.
NSN 5305-00-522-6988 has 1 manufacturer part number on file: 5226988 (Army, United States Department of the Dba Rock Island Arsenal Jmtc).
Key specifications for 5226988: Point Diameter: 0.368 INCHES MINIMUM AND 0.370 INCHES MAXIMUM IN; Point Length: 0.156 INCHES NOMINAL IN; Fastener Length: 0.594 INCHES NOMINAL IN; Thread Length: 0.594 INCHES MAXIMUM IN. 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.