The Nut,plain,extended Washer,hexago, cataloged under National Stock Number 5310-01-499-3603, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Crane Carrier Company, Llc. Government technical data includes 9 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-499-3603 |
| Primary Part Number | 219-228 |
| Item Name | Nut,plain,extended Washer,hexago |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Crane Carrier Company, Llc |
| Status | ACTIVE |
| Lubrication | OIL |
| Washer Outside Diameter | 0.937 INCHES NOMINAL IN |
| Width Across Flats | 0.687 INCHES NOMINAL IN |
| Thread Series | UNIFIED NATIONAL COARSE (UNC) |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.438 INCHES IN |
| Surface Treatment | PHOSPHATE OVERALL |
| Nut Style | HEXAGON |
| Thread Quantity Per Inch | 14 |
| 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 |
|---|---|
| 219-228 PRIMARY | Crane Carrier Company, Llc (USA) |
| Reference | Meaning |
|---|---|
| 219-0228 | 5/9 Secondary reference Crane Carrier Company, Llc |
| 03SFGL71614 | 5/9 Secondary reference Maclean-Fogg Co |
NSN 5310-01-499-3603 is a Nut,plain,extended Washer,hexago, manufactured by Crane Carrier Company, Llc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-499-3603 has 1 manufacturer part number on file: 219-228 (Crane Carrier Company, Llc).
1 possible match (shared part number, not a government interchangeability claim): 5130-01-671-7971. Verify interchangeability with system specifications before substitution.
Key specifications for 219-228: Lubrication: OIL; Overall Height: 0.395 INCHES NOMINAL IN; Washer Outside Diameter: 0.937 INCHES NOMINAL IN; Width Across Flats: 0.687 INCHES NOMINAL IN. 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.