The Breather, cataloged under National Stock Number 2520-01-680-3904, is classified within Federal Supply Class 2520 (Vehicular Power Transmission Components) of the Vehicular Equipment Components group. The manufacturer of record is J.w.f. Technologies, Llc. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | Breather |
| FSC / FSG | 2520 — Vehicular Power Transmission Components (FSG 25) |
| Manufacturers | J.w.f. Technologies, Llc (CAGE 31KK8); Zinga Industries, Inc. (CAGE 60827) |
| Parameter | Value |
|---|---|
| NSN | 2520-01-680-3904 |
| Primary Part Number | RB-11-10-03-0 |
| Item Name | Breather |
| FSC / FSG | 2520 / 25 — Vehicular Power Transmission Components |
| Manufacturer | J.w.f. Technologies, Llc |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| RB-11-10-03-0 PRIMARY | J.w.f. Technologies, Llc (USA) |
| RB-11-10-03-0 PRIMARY | Zinga Industries, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 3656 | 3/2 Design control — primary reference U.S. Government activity |
NSN 2520-01-680-3904 is a Breather, manufactured by J.w.f. Technologies, Llc, classified under FSC 2520, Vehicular Power Transmission Components. Status: active.
NSN 2520-01-680-3904 has 2 manufacturer part numbers on file: RB-11-10-03-0 (J.w.f. Technologies, Llc), RB-11-10-03-0 (Zinga Industries, Inc.).
Possible hazard — SDS may be required (DLA HMIC P). 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.