The Nut,plain,hexagon, cataloged under National Stock Number 5310-00-997-6833, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Triumph Engine Control Systems Llc. Government technical data includes 12 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. 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 | 5310-00-997-6833 |
| Primary Part Number | 28913-9 |
| Item Name | Nut,plain,hexagon |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Triumph Engine Control Systems Llc |
| Status | ACTIVE |
| Width Across Flats | 0.625 INCHES NOMINAL IN |
| Thread Series | UNF |
| Hole Configuration Style | CONFIGURATION B |
| Material Document and Classification | AMS 6320 ASSN STD 1ST MATERIAL RESPONSE OR AMS 6325 ASSN STD 2ND MATERIAL RESPONSE OVERALL |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.438 INCHES IN |
| Nut Height | 0.219 INCHES NOMINAL IN |
| Drilled Hole Diameter | 0.060 INCHES NOMINAL IN |
| Surface Treatment | CADMIUM OVERALL |
| Thread Class | 3B |
| Thread Quantity Per Inch | 20 |
| Hole Type and Quantity | 3 DRILLED |
| 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 |
|---|---|
| 28913-9 PRIMARY | Triumph Engine Control Systems Llc (USA) |
NSN 5310-00-997-6833 is a Nut,plain,hexagon, manufactured by Triumph Engine Control Systems Llc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-997-6833 has 1 manufacturer part number on file: 28913-9 (Triumph Engine Control Systems Llc).
1 possible match (shared part number, not a government interchangeability claim): 2510-01-496-4047. Verify interchangeability with system specifications before substitution.
Key specifications for 28913-9: Width Across Flats: 0.625 INCHES NOMINAL IN; Thread Series: UNF; Hole Configuration Style: CONFIGURATION B; Material Document and Classification: AMS 6320 ASSN STD 1ST MATERIAL RESPONSE OR AMS 6325 ASSN STD 2ND 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.