The Disk,valve, cataloged under National Stock Number 4820-01-104-9992, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Bendix Commercial Vehicle Systems Llc Dba Bendix Commercial Vehicle Systems. Government technical data includes 8 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 4820-01-104-9992 |
| Primary Part Number | 240273 |
| Item Name | Disk,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Bendix Commercial Vehicle Systems Llc Dba Bendix Commercial Vehicle Systems |
| Status | ACTIVE |
| Shoulder Width | 0.090 INCHES NOMINAL IN |
| Shoulder Height | 0.625 INCHES NOMINAL IN |
| Style Designator | PLUG |
| Seat Angle | 45.0 DEGREES NOMINAL |
| Nominal Thread Size | 0.250 INCHES IN |
| Thread Class | 2A A |
| Material | STEEL |
| Thread Series Designator | UNF |
| 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 |
|---|---|
| 17BV334 | Oshkosh Defense Llc (USA) |
| K-500-CH-1637 | Kovatch Corp. (USA) |
| 240273 PRIMARY | Bendix Commercial Vehicle Systems Llc Dba Bendix Commercial Vehicle Systems (USA) |
| Reference | Meaning |
|---|---|
| 17BV334 | 5/9 Secondary reference Oshkosh Corp |
| 745 240273 | 5/2 Secondary reference U.S. Government activity |
| 10510410 | 7/2 Vendor item drawing reference General Dynamics Land Systems Canadacorp |
NSN 4820-01-104-9992 is a Disk,valve, manufactured by Bendix Commercial Vehicle Systems Llc Dba Bendix Commercial Vehicle Systems, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-104-9992 has 3 manufacturer part numbers on file: 17BV334 (Oshkosh Defense Llc), K-500-CH-1637 (Kovatch Corp.), 240273 (Bendix Commercial Vehicle Systems Llc Dba Bendix Commercial Vehicle Systems).
2 possible matches (shared part number, not a government interchangeability claim): 2530-01-155-4109, 3040-01-305-5706. Verify interchangeability with system specifications before substitution.
Key specifications for 240273: Overall Height: 2.883 INCHES NOMINAL IN; Shoulder Width: 0.090 INCHES NOMINAL IN; Shoulder Height: 0.625 INCHES NOMINAL IN; Style Designator: PLUG. 8 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.