The Setscrew, cataloged under National Stock Number 5305-01-181-2486, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. Government technical data includes 10 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-181-2486 |
| Item Name | Setscrew |
| FSC / FSG | 5305 / 53 — Screws |
| Status | ACTIVE |
| Fastener Length | 2.000 INCHES NOMINAL IN |
| Nominal Thread Diameter | 0.625 INCHES IN |
| Head Style | SQUARE |
| Thread Direction | RIGHT-HAND |
| Point Style | FULL DOG |
| Internal Drive Style | W/O INTERNAL DRIVE |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 11 |
| Material | STEEL OVERALL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 91123545 | 3/9 Design control — primary reference U.S. Government activity |
| D11FM18AF16 | 5/9 Secondary reference U.S. Government activity |
| 91123545 | C/1 Advisory reference — outside the item-of-supply concept Fairbanks Morse, Llc |
NSN 5305-01-181-2486 is a Setscrew, classified under FSC 5305, Screws. Status: active.
Key specifications for 5305-01-181-2486: Fastener Length: 2.000 INCHES NOMINAL IN; Nominal Thread Diameter: 0.625 INCHES IN; Head Style: SQUARE; Thread Direction: RIGHT-HAND. 10 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.