The Valve,vacuum Breaking, cataloged under National Stock Number 4820-01-007-3486, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Dana Off Highway Products, Llc. Government technical data includes 13 specifications, cited from the U.S. Government catalog. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4820-01-007-3486 |
| Primary Part Number | 248142 |
| Item Name | Valve,vacuum Breaking |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Dana Off Highway Products, Llc |
| Status | ACTIVE |
| Flow Control Device | CAGE AND DISK, FLAT |
| First End Thread Direction | RIGHT-HAND |
| Body Style | SINGLE CONNECTION, STRAIGHT FLOW |
| First End Style Designator | PLAIN |
| End Connection Quantity | 1 |
| First End Connection Type | THREADED EXTERNAL PIPE |
| Temp Adjustability | NOT ADJUSTABLE |
| Surface Treatment | ANODIZE OUTSIDE |
| First End Nominal Pipe Size Accommodated | 1.000 INCHES IN |
| Material | STEEL SEAT |
| Material | ALUMINUM ALLOY BODY |
| Material | STEEL AND RUBBER SYNTHETIC FLOW CONTROL DEVICE |
| Media for Which Designed | AIR |
| 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 |
|---|---|
| 7304000063 | Manitowoc Crane Group (uk) Limited (GBR) |
| 248142 PRIMARY | Dana Off Highway Products, Llc (USA) |
| Reference | Meaning |
|---|---|
| 233598 | 5/9 Secondary reference Clark Equipment Co |
| 233598 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
NSN 4820-01-007-3486 is a Valve,vacuum Breaking, manufactured by Dana Off Highway Products, Llc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-007-3486 has 2 manufacturer part numbers on file: 7304000063 (Manitowoc Crane Group (uk) Limited), 248142 (Dana Off Highway Products, Llc).
1 possible match (shared part number, not a government interchangeability claim): 5340-01-478-3021. Verify interchangeability with system specifications before substitution.
Key specifications for 248142: Flow Control Device: CAGE AND DISK, FLAT; First End Thread Direction: RIGHT-HAND; Body Style: SINGLE CONNECTION, STRAIGHT FLOW; First End Style Designator: PLAIN. 13 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.