The Nut,self-Locking,single Ball Sea, cataloged under National Stock Number 5310-00-716-4086, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Miller Industries Towing Equipment Inc. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Nut,self-Locking,single Ball Sea |
| FSC / FSG | 5310 — Nuts and Washers (FSG 53) |
| Manufacturers | Nd Defense Llc (CAGE 338X5); Miller Industries Towing Equipment Inc (CAGE 32MY9) |
| Parameter | Value |
|---|---|
| NSN | 5310-00-716-4086 |
| Primary Part Number | 0400426 |
| Item Name | Nut,self-Locking,single Ball Sea |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Miller Industries Towing Equipment Inc |
| Status | ACTIVE |
| 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 |
|---|---|
| 2609578C1 | Nd Defense Llc (USA) |
| 0400426 PRIMARY | Miller Industries Towing Equipment Inc (USA) |
| Reference | Meaning |
|---|---|
| ESP-E-47.221-NPP | D/9 Drawing number reference only Nd Defense Llc |
| 19647R1 | 5/9 Secondary reference Navistar International Corporation Dba Navistar |
| 125-3291 | 5/9 Secondary reference U.S. Government activity |
| 19647R1 | 5/9 Secondary reference International Harvester Co Agricultural Equipment Div |
NSN 5310-00-716-4086 is a Nut,self-Locking,single Ball Sea, manufactured by Miller Industries Towing Equipment Inc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-716-4086 has 2 manufacturer part numbers on file: 2609578C1 (Nd Defense Llc), 0400426 (Miller Industries Towing Equipment Inc).
4 possible matches (shared part number, not a government interchangeability claim): 5310-01-512-6121, 5310-01-568-3545, 5310-01-589-3273. Verify interchangeability with system specifications before substitution.
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.