The Chamber,vacuum Shifter, cataloged under National Stock Number 2520-00-347-6592, is classified within Federal Supply Class 2520 (Vehicular Power Transmission Components) of the Vehicular Equipment Components group. The manufacturer of record is Bendix Commercial Vehicle Systems Llc Dba Bendix Commercial Vehicle Systems. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2520-00-347-6592 |
| Primary Part Number | 280935 |
| Item Name | Chamber,vacuum Shifter |
| FSC / FSG | 2520 / 25 — Vehicular Power Transmission Components |
| Manufacturer | Bendix Commercial Vehicle Systems Llc Dba Bendix Commercial Vehicle Systems |
| Status | ACTIVE |
| General Characteristics Item Description | CHAMBER IS MADE IN TWO SECTIONS,ONE IS CAST ZINK,OTHER IS STEEL;5.250 IN. O/A DIA,1 PORT OFFSET ON REAR OF CHAMBER;0.250-18 NPT RH THD;FLANGE MTD OBLONG SHAPE;2 HOLES O.440 IN. DIA;3.500 IN. BETWEEN CTR IN |
| 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 |
|---|---|
| 280935 PRIMARY | Bendix Commercial Vehicle Systems Llc Dba Bendix Commercial Vehicle Systems (USA) |
| Reference | Meaning |
|---|---|
| 6136TA | C/1 Advisory reference — outside the item-of-supply concept Oshkosh Corp |
| 4-D-01427 | 5/9 Secondary reference Volvo Trucks North America, Inc. Dba (foreign Parent Is Volvo Lastvagnar Ab, Goteborg, Sweden.) |
NSN 2520-00-347-6592 is a Chamber,vacuum Shifter, manufactured by Bendix Commercial Vehicle Systems Llc Dba Bendix Commercial Vehicle Systems, classified under FSC 2520, Vehicular Power Transmission Components. Status: active.
NSN 2520-00-347-6592 has 1 manufacturer part number on file: 280935 (Bendix Commercial Vehicle Systems Llc Dba Bendix Commercial Vehicle Systems).
1 possible match (shared part number, not a government interchangeability claim): 2540-01-219-3337. Verify interchangeability with system specifications before substitution.
Key specifications for 280935: General Characteristics Item Description: CHAMBER IS MADE IN TWO SECTIONS,ONE IS CAST ZINK,OTHER IS STEEL;5.250 IN. O/A DIA,1 PORT OFFSET ON REAR OF CHAMBER;0.250-18 NPT RH THD;FLANGE MTD OBLONG SHAPE;2 HOLES O.440 IN. DIA;3.500 IN. BETWEEN CTR IN. 1 specification is documented in the U.S. Government catalog.
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.