The Setscrew, cataloged under National Stock Number 5305-00-685-7488, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Arvinmeritor Inc. 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. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-00-685-7488 |
| Primary Part Number | 56886 |
| Item Name | Setscrew |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Arvinmeritor Inc |
| Status | ACTIVE |
| Head Height | 0.375 INCHES NOMINAL IN |
| Point Length | 0.250 INCHES NOMINAL IN |
| Fastener Length | 5.500 INCHES NOMINAL IN |
| Thread Length | 0.500 INCHES MINIMUM IN |
| Nominal Thread Diameter | 0.500 INCHES IN |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Point Style | OVAL |
| Width Between Flats | 0.750 INCHES NOMINAL IN |
| Surface Treatment | ANODIZE OVERALL |
| Internal Drive Style | W/O INTERNAL DRIVE |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 13 |
| Material | ALUMINUM ALLOY 2024 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 |
| Part Number | Manufacturer |
|---|---|
| 56886 PRIMARY | Arvinmeritor Inc (USA) |
NSN 5305-00-685-7488 is a Setscrew, manufactured by Arvinmeritor Inc, classified under FSC 5305, Screws. Status: active.
NSN 5305-00-685-7488 has 1 manufacturer part number on file: 56886 (Arvinmeritor Inc).
3 possible matches (shared part number, not a government interchangeability claim): 5120-01-437-8392, 5999-01-490-4262, 8465-01-673-0314. Verify interchangeability with system specifications before substitution.
Key specifications for 56886: Head Height: 0.375 INCHES NOMINAL IN; Point Length: 0.250 INCHES NOMINAL IN; Fastener Length: 5.500 INCHES NOMINAL IN; Thread Length: 0.500 INCHES MINIMUM 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.