PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

51150Seat,valve

Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc · NSN 4820-01-048-7611 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-048-7611 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-048-7611. Primary manufacturer part number: 51150.
Features
  • Seat,valve — FSC 4820
  • Material: NICKEL ALLOY OVERALL
  • Material Document and Classification: QQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-N-288 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
  • 1 verified cross-reference
  • Primary manufacturer: Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Nickel Alloy Overall construction
General Description

The Seat,valve, cataloged under National Stock Number 4820-01-048-7611, 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 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-048-7611
Primary Part Number51150
Item NameSeat,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerMilwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc
StatusACTIVE
MaterialNICKEL ALLOY OVERALL
Material Document and ClassificationQQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-N-288 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
3120-00-080-7468BACB10A653A INTERCHANGEABLE
Bearing,plain,rod End
Roller Bearing Company of America, Inc.
5998-00-121-192951150 INTERCHANGEABLE
Circuit Card Assembly
Cae Inc
2940-00-541-350251150 INTERCHANGEABLE
Filter Element,fluid
Wix Corp
5950-00-828-607310B1111 INTERCHANGEABLE
Transformer,power Autotransforme
Superior Electric Holding Group Llc Div Specialty Product Technologies
3030-00-956-93771570 INTERCHANGEABLE
Belt,v
Gates Corporation
5340-01-027-624151150 INTERCHANGEABLE
Boot,dust and Moisture Seal
Ducommun Labarge Technologies, Inc Dba Ducommun Labarge Technologies, Inc
5360-01-035-771751150 INTERCHANGEABLE
Spring,helical,compression
L3 Technologies, Inc. Div L3 Keo
2540-01-260-447951-150 INTERCHANGEABLE
Arm,windshield Wiper
Trico Products Corporation
Cross-Reference Index
Part NumberManufacturer
51150 PRIMARY Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc (USA)
Related Parts
3120-00-080-7468INTERCHANGEABLE
BEARING,PLAIN,ROD END
BACB10A653A
5998-00-121-1929INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
51150
2940-00-541-3502INTERCHANGEABLE
FILTER ELEMENT,FLUID
51150
5950-00-828-6073INTERCHANGEABLE
TRANSFORMER,POWER AUTOTRANSFORME
10B1111
3030-00-956-9377INTERCHANGEABLE
BELT,V
1570
5340-01-027-6241INTERCHANGEABLE
BOOT,DUST AND MOISTURE SEAL
51150
5360-01-035-7717INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
51150
2540-01-260-4479INTERCHANGEABLE
ARM,WINDSHIELD WIPER
51-150

Frequently Asked Questions

What is NSN 4820-01-048-7611?

NSN 4820-01-048-7611 is a Seat,valve, manufactured by Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-048-7611?

NSN 4820-01-048-7611 has 1 cross-referenced part number: 51150 (Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc).

What NSN replaces 4820-01-048-7611?

There are 8 known substitutes for 4820-01-048-7611: 3120-00-080-7468, 5998-00-121-1929, 2940-00-541-3502 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 51150?

Key specifications for 51150: Material: NICKEL ALLOY OVERALL; Material Document and Classification: QQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-N-288 FED SPEC SINGLE MATERIAL RESPONSE OVERALL; End Item Identification: MILWAUKEE VALVE CO. INC 5 IN. FLANGED R.S. GATE VALVE O. S. AND Y. PART NO. 1305-003-R-0001 IN. 3 total characteristics are documented in the Federal Logistics Information System.

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