The Nut,plain,round, cataloged under National Stock Number 5310-00-690-7692, 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 Corporation Div Epd. Government technical data includes 19 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-690-7692 |
| Primary Part Number | 14991P |
| Item Name | Nut,plain,round |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Curtiss-Wright Electro-Mechanical Corporation Div Epd |
| Status | ACTIVE |
| Hole Thread Quantity Per Inch | 20 |
| Thread Series | UN |
| Hole Configuration Style | CONFIGURATION F |
| Material Document and Classification | QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Nut Counterbore Depth | 0.188 INCHES NOMINAL NUT IN |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 1.750 INCHES IN |
| Nut Diameter | 2.375 INCHES NOMINAL IN |
| Counterbore Diameter | 1.813 INCHES NOMINAL NUT IN |
| Drive Point Depth | 0.359 INCHES NOMINAL IN |
| Nut Thickness | 1.250 INCHES NOMINAL IN |
| Drive Point Diameter | 0.281 INCHES NOMINAL IN |
| Drive Point Quantity | 3 |
| Nut Style | ROUND |
| Thread Class | 3B |
| Hole Nominal Thread Diameter | 0.250 INCHES IN |
| Thread Quantity Per Inch | 12 |
| Material | STEEL COMP 410 OVERALL |
| Hole Type and Quantity | 3 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 |
|---|---|
| SK144245 | Curtiss-Wright Electro-Mechanical Corporation Div Epd (USA) |
| 14991P PRIMARY | Curtiss-Wright Electro-Mechanical Corporation Div Epd (USA) |
| Reference | Meaning |
|---|---|
| 14991-P | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
| 14991P | 3/9 Design control — primary reference U.S. Government activity |
| SK144245 | 5/9 Secondary reference U.S. Government activity |
| 3223883 | 5/2 Secondary reference U.S. Government activity |
NSN 5310-00-690-7692 is a Nut,plain,round, manufactured by Curtiss-Wright Electro-Mechanical Corporation Div Epd, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-690-7692 has 2 manufacturer part numbers on file: SK144245 (Curtiss-Wright Electro-Mechanical Corporation Div Epd), 14991P (Curtiss-Wright Electro-Mechanical Corporation Div Epd).
Key specifications for 14991P: Hole Thread Quantity Per Inch: 20; Thread Series: UN; Hole Configuration Style: CONFIGURATION F; Material Document and Classification: QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL. 19 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.