PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1281-005-212Valve,check

Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc · NSN 4820-01-348-4259 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-348-4259 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-348-4259. Primary manufacturer part number: 1281-005-212.
Features
  • Valve,check — FSC 4820
  • Valve Operation Method: AUTOMATIC
  • Connection Type: FLANGE ALL ENDS
  • Material: COPPER ALLOY BODY
  • Flange Face Design: PLAIN ALL ENDS
  • Mounting Position: HORIZONTAL OR VERTICAL
  • Style Designator: STRAIGHT THRU FLANGED ENDS
  • Flow Control Device: DISK
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Copper Alloy Body construction
General Description

The Valve,check, cataloged under National Stock Number 4820-01-348-4259, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4820-01-348-4259
Primary Part Number1281-005-212
Item NameValve,check
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerMilwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc
StatusCANCELLED
Valve Operation MethodAUTOMATIC
Connection TypeFLANGE ALL ENDS
MaterialCOPPER ALLOY BODY
Flange Face DesignPLAIN ALL ENDS
Mounting PositionHORIZONTAL OR VERTICAL
Style DesignatorSTRAIGHT THRU FLANGED ENDS
Flow Control DeviceDISK
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 1
4820-01-198-07645021BM0250 INTERCHANGEABLE
Valve,check
Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc
Cross-Reference Index
Part NumberManufacturer
5021BM-0250 Service Brass and Aluminum Foundry Co, Inc. Dba Service Brass Fittings (USA)
1281-005-212 PRIMARY Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc (USA)
Related Parts
4820-01-198-0764INTERCHANGEABLE
VALVE,CHECK
5021BM0250

Frequently Asked Questions

What is NSN 4820-01-348-4259?

NSN 4820-01-348-4259 is a Valve,check, manufactured by Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc, classified under FSC 4820 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4820-01-348-4259?

NSN 4820-01-348-4259 has 2 cross-referenced part numbers: 5021BM-0250 (Service Brass and Aluminum Foundry Co, Inc. Dba Service Brass Fittings), 1281-005-212 (Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc).

What NSN replaces 4820-01-348-4259?

There is 1 known substitute for 4820-01-348-4259: 4820-01-198-0764. Verify interchangeability with system specifications before substitution.

What are the specifications of 1281-005-212?

Key specifications for 1281-005-212: Valve Operation Method: AUTOMATIC; Connection Type: FLANGE ALL ENDS; Material: COPPER ALLOY BODY; Flange Face Design: PLAIN ALL ENDS. 7 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4820-01-348-4259 still in active supply?

NSN 4820-01-348-4259 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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