The Setscrew, cataloged under National Stock Number 5305-01-421-2051, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Columbus Jack Corporation Div Columbus Jack. Government technical data includes 15 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5305-01-421-2051 |
| Primary Part Number | 9217-31 |
| Item Name | Setscrew |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Columbus Jack Corporation Div Columbus Jack |
| Status | ACTIVE |
| Point Diameter | 0.622 INCHES MINIMUM AND 0.624 INCHES MAXIMUM IN |
| Point Length | 0.750 INCHES NOMINAL IN |
| Fastener Length | 1.630 INCHES NOMINAL IN |
| Thread Length | 0.880 INCHES NOMINAL IN |
| Material Document and Classification | ASTM A564 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Point Chamfer Angle | 30.0 DEGREES NOMINAL |
| Nominal Thread Diameter | 0.750 INCHES IN |
| Head Style | HEADLESS (SETSCREW) |
| Thread Direction | RIGHT-HAND |
| Point Style | FLAT |
| Internal Drive Style | SLOT |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 16 |
| Material | STEEL COMP 630 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 |
|---|---|
| 9217-31 | Dutch Valley Supply Co. (USA) |
| 9217-31 PRIMARY | Columbus Jack Corporation Div Columbus Jack (USA) |
| Reference | Meaning |
|---|---|
| 9217-31 | 5/9 Secondary reference Age Logistics Corporation |
| 9217-31-1 | 3/9 Design control — primary reference Age Logistics Corporation |
NSN 5305-01-421-2051 is a Setscrew, manufactured by Columbus Jack Corporation Div Columbus Jack, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-421-2051 has 2 manufacturer part numbers on file: 9217-31 (Dutch Valley Supply Co.), 9217-31 (Columbus Jack Corporation Div Columbus Jack).
Key specifications for 9217-31: Point Diameter: 0.622 INCHES MINIMUM AND 0.624 INCHES MAXIMUM IN; Point Length: 0.750 INCHES NOMINAL IN; Fastener Length: 1.630 INCHES NOMINAL IN; Thread Length: 0.880 INCHES NOMINAL 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.