The Nut,plain,hexagon, cataloged under National Stock Number 5310-01-210-7928, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Rolls-Royce Solutions America Inc. Government technical data includes 11 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 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-210-7928 |
| Primary Part Number | 272121 |
| Item Name | Nut,plain,hexagon |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Rolls-Royce Solutions America Inc |
| Status | ACTIVE |
| Width Across Flats | 0.675 INCHES MINIMUM AND 0.688 INCHES MAXIMUM IN |
| Thread Series | UNF |
| Material Document and Classification | GM 286M,FSCM 72582 MFR REF SINGLE MATERIAL RESPONSE OVERALL |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.438 INCHES IN |
| Nut Height | 0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN |
| Nut Style | HEXAGON |
| Thread Class | 2B |
| Thread Quantity Per Inch | 20 |
| 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 |
|---|---|
| 272121 PRIMARY | Rolls-Royce Solutions America Inc (USA) |
NSN 5310-01-210-7928 is a Nut,plain,hexagon, manufactured by Rolls-Royce Solutions America Inc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-210-7928 has 1 manufacturer part number on file: 272121 (Rolls-Royce Solutions America Inc).
2 possible matches (shared part number, not a government interchangeability claim): 5310-01-244-7439, 6910-01-687-1920. Verify interchangeability with system specifications before substitution.
Key specifications for 272121: Width Across Flats: 0.675 INCHES MINIMUM AND 0.688 INCHES MAXIMUM IN; Thread Series: UNF; Material Document and Classification: GM 286M,FSCM 72582 MFR REF SINGLE MATERIAL RESPONSE OVERALL; Thread Direction: RIGHT-HAND. 11 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.