The Valve,check, cataloged under National Stock Number 4820-01-498-2708, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc. Government technical data includes 12 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-498-2708 |
| Primary Part Number | 5081-006 2-1/2 IN. |
| Item Name | Valve,check |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc |
| Status | ACTIVE |
| Flange Shape | ROUND WITH HOLES ALL ENDS |
| Flange Face Design | PLAIN ALL ENDS |
| Connection Type | FLANGE ALL ENDS |
| Style Designator | STRAIGHT THRU FLANGED ENDS |
| Valve Size | 2.500 INCHES IN |
| Second Connection Face to Centerline Distance | 5.375 INCHES IN |
| Nominal Outside Diameter | 7.000 INCHES ALL ENDS IN |
| First Connection Face to Centerline Distance | 12.000 INCHES IN |
| Material | COPPER ALLOY BODY |
| Material | COPPER ALLOY SEAT |
| Valve Operation Method | AUTOMATIC |
| Nominal Thickness | 0.562 INCHES ALL ENDS IN |
| 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 |
|---|---|
| 5081-006 212 | Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc (USA) |
| 5081-006 2-1/2 IN. PRIMARY | Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc (USA) |
| Reference | Meaning |
|---|---|
| 5081 2-1/2IN | D/9 Drawing number reference only Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc |
NSN 4820-01-498-2708 is a Valve,check, manufactured by Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-498-2708 has 2 manufacturer part numbers on file: 5081-006 212 (Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc), 5081-006 2-1/2 IN. (Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc).
Key specifications for 5081-006 2-1/2 IN.: Flange Shape: ROUND WITH HOLES ALL ENDS; Flange Face Design: PLAIN ALL ENDS; Connection Type: FLANGE ALL ENDS; Style Designator: STRAIGHT THRU FLANGED ENDS. 12 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.