The Nut,plain,square, cataloged under National Stock Number 5310-01-470-7456, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney. 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-470-7456 |
| Primary Part Number | P4078977 |
| Item Name | Nut,plain,square |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney |
| Status | ACTIVE |
| Width Across Flats | 1.500 INCHES NOMINAL IN |
| Hole Configuration Style | CONFIGURATION D |
| Thread Direction | RIGHT-HAND |
| Nut Height | 0.880 INCHES NOMINAL IN |
| Surface Treatment | NICKEL OVERALL |
| Nut Style | SQUARE |
| Thread Class | 2B |
| Hole Nominal Thread Diameter | 0.880 INCHES IN |
| Thread Quantity Per Inch | 12 |
| Material | STEEL OVERALL |
| Bearing Surface Type | FLAT |
| Hole Type and Quantity | 1 TAPPED |
| 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 |
|---|---|
| P4078977 PRIMARY | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
NSN 5310-01-470-7456 is a Nut,plain,square, manufactured by Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-470-7456 has 1 manufacturer part number on file: P4078977 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).
Key specifications for P4078977: Width Across Flats: 1.500 INCHES NOMINAL IN; Hole Configuration Style: CONFIGURATION D; Thread Direction: RIGHT-HAND; Nut Height: 0.880 INCHES NOMINAL IN. 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.