The Nut,plain,hexagon, cataloged under National Stock Number 5310-01-648-7720, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Birmingham Fastener & Supply Inc. Government technical data includes 12 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 | 5310-01-648-7720 |
| Primary Part Number | 87CNDH/D |
| Item Name | Nut,plain,hexagon |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Birmingham Fastener & Supply Inc |
| Status | ACTIVE |
| Width Across Flats | 1.394 INCHES MINIMUM AND 1.438 INCHES MAXIMUM IN |
| Thread Tolerance Class | 2B INTERNAL |
| Thread Series | UNIFIED NATIONAL COARSE (UNC) |
| Material Document and Classification | ASTM A563 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.875 INCHES IN |
| Nut Height | 0.833 INCHES MINIMUM AND 0.885 INCHES MAXIMUM IN |
| Nut Style | HEXAGON |
| Thread Class | 2B |
| Thread Quantity Per Inch | 9 |
| Material | STEEL OVERALL |
| Bearing Surface Type | FLAT |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
NSN 5310-01-648-7720 is a Nut,plain,hexagon, manufactured by Birmingham Fastener & Supply Inc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-648-7720 has 2 manufacturer part numbers on file: 36555 (Fastenal Company), 87CNDH/D (Birmingham Fastener & Supply Inc).
Key specifications for 87CNDH/D: Width Across Flats: 1.394 INCHES MINIMUM AND 1.438 INCHES MAXIMUM IN; Thread Tolerance Class: 2B INTERNAL; Thread Series: UNIFIED NATIONAL COARSE (UNC); Material Document and Classification: ASTM A563 ASSN STD SINGLE MATERIAL RESPONSE 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.