The Nut,plain,round, cataloged under National Stock Number 5310-01-473-6630, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Glenair, Inc.. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 3 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5310-01-473-6630 |
| Primary Part Number | D38999/28-1K |
| Item Name | Nut,plain,round |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Glenair, Inc. |
| Status | ACTIVE |
| Criticality Code Justification | AGAV |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| D38999/28-1K | Rolls-Royce Corporation (USA) |
| D38999/28-1K PRIMARY | Glenair, Inc. (USA) |
| D38999/28-1K PRIMARY | Rolls Royce Corp (USA) |
| Reference | Meaning |
|---|---|
| NSN SPECIFIC V-22 AE1107C ENGINE | 5/9 Secondary reference Rolls Royce Corp |
| GLENAIR 2ND SOURCE FOR MQ25A ENG | 5/9 Secondary reference Glenair, Inc. |
NSN 5310-01-473-6630 is a Nut,plain,round, manufactured by Glenair, Inc., classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-473-6630 has 3 manufacturer part numbers on file: D38999/28-1K (Rolls-Royce Corporation), D38999/28-1K (Glenair, Inc.), D38999/28-1K (Rolls Royce Corp).
Key specifications for D38999/28-1K: Criticality Code Justification: AGAV; End Item Identification: T406-AD-400 ENGINE. 1 specification is 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.
NSN 5310-01-473-6630 has DEMIL Code B. Demilitarization may be required before disposal or transfer to non-military entities.
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.