The Nut,plain,cap, cataloged under National Stock Number 5310-01-663-4661, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Micro Surface Engr, Inc Dba Micro Surface Engineers Inc Div Bal-Tec. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Nut,plain,cap |
| FSC / FSG | 5310 — Nuts and Washers (FSG 53) |
| Manufacturers | Micro Surface Engr, Inc Dba Micro Surface Engineers Inc Div Bal-Tec (CAGE 9U785); Drs C3 & Aviation Company Dba Drs Data & Imaging Systems (CAGE 54089) |
| Parameter | Value |
|---|---|
| NSN | 5310-01-663-4661 |
| Primary Part Number | 75-TBR-T |
| Item Name | Nut,plain,cap |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Micro Surface Engr, Inc Dba Micro Surface Engineers Inc Div Bal-Tec |
| 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 |
|---|---|
| 75-TBR-T PRIMARY | Micro Surface Engr, Inc Dba Micro Surface Engineers Inc Div Bal-Tec (USA) |
| 4015304-001 PRIMARY | Drs C3 & Aviation Company Dba Drs Data & Imaging Systems (USA) |
| Reference | Meaning |
|---|---|
| 4015304 | 7/2 Vendor item drawing reference Drs Training & Control Systems, Llc Dba Leonardo Drs Training & Control Systems, Llc Div Range, Control and Unmanned Systems |
NSN 5310-01-663-4661 is a Nut,plain,cap, manufactured by Micro Surface Engr, Inc Dba Micro Surface Engineers Inc Div Bal-Tec, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-663-4661 has 2 manufacturer part numbers on file: 75-TBR-T (Micro Surface Engr, Inc Dba Micro Surface Engineers Inc Div Bal-Tec), 4015304-001 (Drs C3 & Aviation Company Dba Drs Data & Imaging Systems).
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.