The Nut,plain,hexagon, cataloged under National Stock Number 5310-01-467-3056, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions. Government technical data includes 12 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 5 items share a part number with this NSN in the catalog (possible match — not a government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 | 5310-01-467-3056 |
| Primary Part Number | NK2944-16 |
| Item Name | Nut,plain,hexagon |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions |
| Status | ACTIVE |
| Width Across Flats | 2.662 INCHES MINIMUM AND 2.750 INCHES MAXIMUM IN |
| Thread Series | UN |
| Thread Pitch Diameters | +1.6688 TO 1.6786 INCHES IN |
| Material Document and Classification | ASTM-A194 ASSN STD ALL MATERIAL RESPONSES OVERALL |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 1.750 INCHES IN |
| Nut Height | 0.929 INCHES MINIMUM AND 1.009 INCHES MAXIMUM IN |
| Nut Style | HEXAGON |
| Thread Class | 2B |
| Thread Quantity Per Inch | 8 |
| Material | STEEL CORROSION RESISTING OVERALL |
| Bearing Surface Type | CHAMFERED OR FLAT |
| 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 |
|---|---|
| NK2944-16 PRIMARY | Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions (USA) |
| Reference | Meaning |
|---|---|
| KN2944-16 | 3/9 Design control — primary reference U.S. Government activity |
| NP-623 PC 9 | 5/9 Secondary reference U.S. Government activity |
| NP-623 | D/9 Drawing number reference only U.S. Government activity |
NSN 5310-01-467-3056 is a Nut,plain,hexagon, manufactured by Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-467-3056 has 1 manufacturer part number on file: NK2944-16 (Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions).
5 possible matches (shared part number, not a government interchangeability claim): 5310-01-467-3061, 5305-01-467-7168, 5305-01-467-7170. Verify interchangeability with system specifications before substitution.
Key specifications for NK2944-16: Width Across Flats: 2.662 INCHES MINIMUM AND 2.750 INCHES MAXIMUM IN; Thread Series: UN; Thread Pitch Diameters: +1.6688 TO 1.6786 INCHES IN; Material Document and Classification: ASTM-A194 ASSN STD ALL MATERIAL RESPONSES OVERALL. 12 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.