The Setscrew, cataloged under National Stock Number 5305-01-497-1497, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Ge Steam Power Inc Dba Ge Steam Power, Inc Div General Electric. Government technical data includes 9 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-497-1497 |
| Primary Part Number | S-3 |
| Item Name | Setscrew |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Ge Steam Power Inc Dba Ge Steam Power, Inc Div General Electric |
| Status | ACTIVE |
| Fastener Length | 0.250 INCHES NOMINAL IN |
| Material Document and Classification | ANSI B18.6.2 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.375 INCHES IN |
| Head Style | HEADLESS (SETSCREW) |
| Thread Direction | RIGHT-HAND |
| Internal Drive Style | SLOT |
| Thread Quantity Per Inch | 24 |
| 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 |
|---|---|
| 221-7022537 NOTE 4 | Naval Sea Systems Command (USA) |
| S-3 PRIMARY | Ge Steam Power Inc Dba Ge Steam Power, Inc Div General Electric (USA) |
NSN 5305-01-497-1497 is a Setscrew, manufactured by Ge Steam Power Inc Dba Ge Steam Power, Inc Div General Electric, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-497-1497 has 2 manufacturer part numbers on file: 221-7022537 NOTE 4 (Naval Sea Systems Command), S-3 (Ge Steam Power Inc Dba Ge Steam Power, Inc Div General Electric).
Key specifications for S-3: Fastener Length: 0.250 INCHES NOMINAL IN; Material Document and Classification: ANSI B18.6.2 ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Nominal Thread Diameter: 0.375 INCHES IN; Head Style: HEADLESS (SETSCREW). 9 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.