The Nut,plain,cap, cataloged under National Stock Number 5310-01-265-6677, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Kyb Corporation. Government technical data includes 10 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-265-6677 |
| Primary Part Number | 21011-32601 |
| Item Name | Nut,plain,cap |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Kyb Corporation |
| Status | ACTIVE |
| Width Across Flats | 14.0 MILLIMETERS NOMINAL MM |
| Thread Tolerance Class | 6H INTERNAL |
| Thread Series | ISO M |
| Thread Pitch in Millimeters | 1.25 |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 10.0 MILLIMETERS MM |
| Nut Height | 13.5 MILLIMETERS NOMINAL MM |
| Nut Style | CAP |
| Material | STEEL OVERALL |
| Bearing Surface Type | 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 |
|---|---|
| 21011-32601 | Kyb Corporation (JPN) |
| Reference | Meaning |
|---|---|
| 21011-32601 | 5/9 Secondary reference Kayaba Industry Co. Ltd |
| 321796 | 3/9 Design control — primary reference Hyster-Yale Group, Inc. |
NSN 5310-01-265-6677 is a Nut,plain,cap, manufactured by Kyb Corporation, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-265-6677 has 1 manufacturer part number on file: 21011-32601 (Kyb Corporation).
1 possible match (shared part number, not a government interchangeability claim): 6750-01-427-3376. Verify interchangeability with system specifications before substitution.
Key specifications for 21011-32601: Width Across Flats: 14.0 MILLIMETERS NOMINAL MM; Thread Tolerance Class: 6H INTERNAL; Thread Series: ISO M; Thread Pitch in Millimeters: 1.25. 10 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.