The Nut,plain,hexagon, cataloged under National Stock Number 5310-00-021-5327, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Falls Filtration Technologies, Inc.. Government technical data includes 14 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 | 5310-00-021-5327 |
| Primary Part Number | A16075P164 |
| Item Name | Nut,plain,hexagon |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Falls Filtration Technologies, Inc. |
| Status | ACTIVE |
| Width Across Flats | 1.250 INCHES NOMINAL IN |
| Bearing Surface Finish | 125.0 MICROINCHES |
| Thread Series | UNF |
| Nut Counterbore Depth | 0.115 INCHES MINIMUM AND 0.135 INCHES MAXIMUM NUT IN |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.875 INCHES IN |
| Counterbore Diameter | 0.880 INCHES MINIMUM AND 0.890 INCHES MAXIMUM NUT IN |
| Nut Height | 0.438 INCHES NOMINAL IN |
| Surface Treatment | PHOSPHATE OVERALL |
| Nut Style | HEXAGON |
| Thread Class | 2B |
| Thread Quantity Per Inch | 14 |
| Material | STEEL OVERALL |
| Bearing Surface Type | CHAMFERED |
| 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 |
|---|---|
| A16075P164 PRIMARY | Falls Filtration Technologies, Inc. (USA) |
| A16075P164 | Satair A/s (DNK) |
NSN 5310-00-021-5327 is a Nut,plain,hexagon, manufactured by Falls Filtration Technologies, Inc., classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-021-5327 has 2 manufacturer part numbers on file: A16075P164 (Falls Filtration Technologies, Inc.), A16075P164 (Satair A/s).
Key specifications for A16075P164: Width Across Flats: 1.250 INCHES NOMINAL IN; Bearing Surface Finish: 125.0 MICROINCHES; Thread Series: UNF; Nut Counterbore Depth: 0.115 INCHES MINIMUM AND 0.135 INCHES MAXIMUM NUT IN. 14 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.