The Nut,plain,round, cataloged under National Stock Number 5310-01-220-1595, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Defense Logistics Agency Dba Defense Supply Center Philadelphia. Government technical data includes 17 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-220-1595 |
| Primary Part Number | 03185 |
| Item Name | Nut,plain,round |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Defense Logistics Agency Dba Defense Supply Center Philadelphia |
| Status | ACTIVE |
| Hole Thread Quantity Per Inch | 18 |
| Thread Series | UNF |
| Hole Configuration Style | CONFIGURATION J |
| Material Document and Classification | ASTM B164 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.750 INCHES IN |
| Nut Diameter | 2.500 INCHES NOMINAL IN |
| Drive Point Depth | 0.250 INCHES NOMINAL IN |
| Nut Thickness | 0.615 INCHES NOMINAL IN |
| Drive Point Diameter | 0.249 INCHES MINIMUM AND 0.255 INCHES MAXIMUM IN |
| Drive Point Quantity | 2 |
| Nut Style | ROUND |
| Thread Class | 3B |
| Hole Nominal Thread Diameter | 0.312 INCHES IN |
| Thread Quantity Per Inch | 16 |
| Material | NICKEL ALLOY 400 OVERALL |
| Hole Type and Quantity | 2 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 |
|---|---|
| B075D164AX2 | Curtiss-Wright Electro-Mechanical Corporation Div Epd (USA) |
| 03185 PRIMARY | Defense Logistics Agency Dba Defense Supply Center Philadelphia (USA) |
| Reference | Meaning |
|---|---|
| B075D164AX2 | 5/9 Secondary reference U.S. Government activity |
| 5310PL0663813 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
NSN 5310-01-220-1595 is a Nut,plain,round, manufactured by Defense Logistics Agency Dba Defense Supply Center Philadelphia, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-220-1595 has 2 manufacturer part numbers on file: B075D164AX2 (Curtiss-Wright Electro-Mechanical Corporation Div Epd), 03185 (Defense Logistics Agency Dba Defense Supply Center Philadelphia).
Key specifications for 03185: Hole Thread Quantity Per Inch: 18; Thread Series: UNF; Hole Configuration Style: CONFIGURATION J; Material Document and Classification: ASTM B164 ASSN STD SINGLE MATERIAL RESPONSE OVERALL. 17 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.