The Nut,plain,hexagon, cataloged under National Stock Number 5310-01-464-0557, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Circor Naval Solutions Llc Dba Warren Pumps. Government technical data includes 7 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 | 5310-01-464-0557 |
| Primary Part Number | 993R0048 PC. NO. 20 |
| Item Name | Nut,plain,hexagon |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Circor Naval Solutions Llc Dba Warren Pumps |
| Status | ACTIVE |
| Thread Series | UNIFIED NATIONAL COARSE (UNC) |
| Material Document and Classification | ASTM A194 GR 2H ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.875 INCHES IN |
| Thread Quantity Per Inch | 93AAJDA2B |
| Material | STEEL UNS K04002 OVERALL |
| Bearing Surface Type | WASHER FACED OR 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 |
|---|---|
| 993R0048 PC. NO. 20 PRIMARY | Circor Naval Solutions Llc Dba Warren Pumps (USA) |
| 3365-1409N022Z | Circor Naval Solutions Llc Dba Warren Pumps (USA) |
NSN 5310-01-464-0557 is a Nut,plain,hexagon, manufactured by Circor Naval Solutions Llc Dba Warren Pumps, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-464-0557 has 2 manufacturer part numbers on file: 993R0048 PC. NO. 20 (Circor Naval Solutions Llc Dba Warren Pumps), 3365-1409N022Z (Circor Naval Solutions Llc Dba Warren Pumps).
Key specifications for 993R0048 PC. NO. 20: Thread Series: UNIFIED NATIONAL COARSE (UNC); Material Document and Classification: ASTM A194 GR 2H ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Thread Direction: RIGHT-HAND; Nominal Thread Size: 0.875 INCHES IN. 7 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.