The Belt,flat, cataloged under National Stock Number 3030-01-145-7653, is classified within Federal Supply Class 3030 (Belting, Drive Belts, Fan Belts, and Accessories) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Barry Instrument Corp. The record lists 2 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Belt,flat |
| FSC / FSG | 3030 — Belting, Drive Belts, Fan Belts, and Accessories (FSG 30) |
| Manufacturers | Barry Instrument Corp (CAGE 31393); Hamilton Sundstrand Corporation Div Mission Systems (CAGE 26581) |
| Parameter | Value |
|---|---|
| NSN | 3030-01-145-7653 |
| Primary Part Number | MI-050-250-08100 |
| Item Name | Belt,flat |
| FSC / FSG | 3030 / 30 — Belting, Drive Belts, Fan Belts, and Accessories |
| Manufacturer | Barry Instrument Corp |
| 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 |
|---|---|
| MI-050-250-08100 PRIMARY | Barry Instrument Corp (USA) |
| 343506-1 | Hamilton Sundstrand Corporation Div Mission Systems (USA) |
| Reference | Meaning |
|---|---|
| 343506 | D/9 Drawing number reference only Hamilton Sundstrand Corporation Div Mission Systems |
| BSM-1238 | 5/9 Secondary reference Butler Precision Belting Inc Dba Bpb |
NSN 3030-01-145-7653 is a Belt,flat, manufactured by Barry Instrument Corp, classified under FSC 3030, Belting, Drive Belts, Fan Belts, and Accessories. Status: active.
NSN 3030-01-145-7653 has 2 manufacturer part numbers on file: MI-050-250-08100 (Barry Instrument Corp), 343506-1 (Hamilton Sundstrand Corporation Div Mission Systems).
2 possible matches (shared part number, not a government interchangeability claim): 3030-01-145-7654, 6515-01-492-7068. 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.