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NSN 4820-01-454-0240Government record, cited
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Valve, Check4820-01-454-0240

NSN 4820-01-454-0240 · NIIN 014540240 · Part number 1281-015 2IN AND 1281-001
Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 76364
Government record, cited
NSN 4820-01-454-0240 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-454-0240. Manufacturer of record part number: 1281-015 2IN AND 1281-001.
Also searched as  4820-01-454-0240 · 4820014540240 · NIIN 014540240 · 01-454-0240 · FSC 4820 Valves, Nonpowered · CAGE 76364 · 1281-015 2IN AND 1281-001 · 1281-015-J-0001PN 1281-015 2IN
Nearby stock numbers  ·
100.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS rated GATE VALVE PROFILE
4820-01-454-0240 — Valves, Nonpowered
Features
  • Valve,check — FSC 4820
  • Flange Shape: ROUND WITH HOLES ALL ENDS
  • Flange Face Design: PLAIN ALL ENDS
  • Mounting Position: HORIZONTAL
  • Connection Type: FLANGE ALL ENDS
  • Operating Pressure: 100.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
  • Maximum Operating Temp: 150.0 FAHRENHEIT SINGLE RESPONSE DEGF
  • Material: COPPER ALLOY BODY
Identification
  • NSN: 4820-01-454-0240
  • NIIN: 014540240
  • FSC: 4820 — Valves, Nonpowered
  • FSG: 48 — Valves
  • Primary part number: 1281-015 2IN AND 1281-001
  • Manufacturer: Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc
General Description

The Valve,check, cataloged under National Stock Number 4820-01-454-0240, 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 8 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. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-454-0240
Primary Part Number1281-015 2IN AND 1281-001
Item NameValve,check
FSC / FSG4820 / 48 — Valves, Nonpowered
ManufacturerMilwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc
StatusACTIVE
Flange ShapeROUND WITH HOLES ALL ENDS
Flange Face DesignPLAIN ALL ENDS
Mounting PositionHORIZONTAL
Connection TypeFLANGE ALL ENDS
Operating Pressure100.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Maximum Operating Temp150.0 FAHRENHEIT SINGLE RESPONSE DEGF
MaterialCOPPER ALLOY BODY
Valve Operation MethodAUTOMATIC
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL A — No Demilitarization Required
HazardNo hazard code in the DLA record (HMIC N)
Criticality CodeX
Cross-Reference Index
Part NumberManufacturer
1281-015-J-0001PN 1281-015 2IN Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc (USA)
1281-015 2IN AND 1281-001 PRIMARY Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc (USA)
No interchangeability data on file.
Other items in FSC 4820 — Valves, Nonpowered
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4820-00-000-0097
4820-00-000-0097 · Item name not on file
4820-00-001-0010
VALVE,ROTARY,SELECTOR
4820-00-001-0020
4820-00-001-0020 · Item name not on file
4820-00-001-0021
4820-00-001-0021 · Item name not on file
4820-00-001-0032
4820-00-001-0032 · Item name not on file
4820-00-001-0037
VALVE,SAFETY RELIEF
4820-00-001-0042
4820-00-001-0042 · Item name not on file
4820-00-001-1230
4820-00-001-1230 · Item name not on file
Related Parts in Valves
4820-00-000-0097
4820-00-000-0097 · Item name not on file
4820-00-001-0010
VALVE,ROTARY,SELECTOR
8171E-1/4HS2
4820-00-001-0020
4820-00-001-0020 · Item name not on file
4820-00-001-0021
4820-00-001-0021 · Item name not on file
4820-00-001-0032
4820-00-001-0032 · Item name not on file
4820-00-001-0037
VALVE,SAFETY RELIEF
D559A3M2
4820-00-001-0042
4820-00-001-0042 · Item name not on file
4820-00-001-1230
4820-00-001-1230 · Item name not on file

Frequently Asked Questions

What is NSN 4820-01-454-0240?

NSN 4820-01-454-0240 is a Valve,check, manufactured by Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-454-0240?

NSN 4820-01-454-0240 has 2 manufacturer part numbers on file: 1281-015-J-0001PN 1281-015 2IN (Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc), 1281-015 2IN AND 1281-001 (Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc).

What are the specifications of 1281-015 2IN AND 1281-001?

Key specifications for 1281-015 2IN AND 1281-001: Flange Shape: ROUND WITH HOLES ALL ENDS; Flange Face Design: PLAIN ALL ENDS; Mounting Position: HORIZONTAL; Connection Type: FLANGE ALL ENDS. 8 specifications are documented in the U.S. Government catalog.

Is NSN 4820-01-454-0240 hazardous material?

No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.

Sources

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.

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✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.
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