The Belt,v, cataloged under National Stock Number 3030-01-125-5227, 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 Carlisle Power Transmission Products Inc. Government technical data includes 4 specifications, cited from the U.S. Government catalog. The record lists 4 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 3030-01-125-5227 |
| Primary Part Number | 4-4725 |
| Item Name | Belt,v |
| FSC / FSG | 3030 / 30 — Belting, Drive Belts, Fan Belts, and Accessories |
| Manufacturer | Carlisle Power Transmission Products Inc |
| Status | ACTIVE |
| Style Designator | COG OR NOTCHED |
| Angle | 38.0 DEGREES |
| Nominal Width | 13.9 MILLIMETERS MM |
| Performance Type | HEAVY DUTY |
| 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 |
|---|---|
| 4-4725 PRIMARY | Carlisle Power Transmission Products Inc (USA) |
| A0149979992 | Daimler Truck Australia Pacific Pty Ltd (AUS) |
| AVX13X1625LA | Optibelt Gmbh (DEU) |
| AVX13X1625LA | Contitech Antriebssysteme Gmbh (DEU) |
| Reference | Meaning |
|---|---|
| 4-4725 | 3/9 Design control — primary reference U.S. Government activity |
| A0149979992 | 5/9 Secondary reference Mercedes-Benz Australia/pacific Pty Ltd |
| 0049976192 | 5/9 Secondary reference Daimler Ag |
| 3030PL0923962 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
NSN 3030-01-125-5227 is a Belt,v, manufactured by Carlisle Power Transmission Products Inc, classified under FSC 3030, Belting, Drive Belts, Fan Belts, and Accessories. Status: active.
NSN 3030-01-125-5227 has 4 manufacturer part numbers on file: 4-4725 (Carlisle Power Transmission Products Inc), A0149979992 (Daimler Truck Australia Pacific Pty Ltd), AVX13X1625LA (Optibelt Gmbh), AVX13X1625LA (Contitech Antriebssysteme Gmbh).
2 possible matches (shared part number, not a government interchangeability claim): 5930-01-327-5471, 4820-01-414-1186. Verify interchangeability with system specifications before substitution.
Key specifications for 4-4725: Style Designator: COG OR NOTCHED; Angle: 38.0 DEGREES; Nominal Width: 13.9 MILLIMETERS MM; Performance Type: HEAVY DUTY. 4 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.