PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

44772Seat,valve

Bourns Inc · NSN 4820-01-551-5344 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-551-5344 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-551-5344. Primary manufacturer part number: 44772.
Features
  • Seat,valve — FSC 4820
  • Material: STEEL BODY
  • 2 verified cross-references
  • Primary manufacturer: Bourns Inc
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Steel Body construction
General Description

The Seat,valve, cataloged under National Stock Number 4820-01-551-5344, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Bourns Inc. Government technical data includes 1 verified specification, 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. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-551-5344
Primary Part Number44772
Item NameSeat,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerBourns Inc
StatusACTIVE
MaterialSTEEL BODY
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5905-00-681-5187598-401-1892608REVBPC30 INTERCHANGEABLE
Resistor,variable,wire Wound,non
Naval Ship Systems Command
4310-00-777-668244772 INTERCHANGEABLE
Ring Set,piston
Leroi International Inc Dba Compair Leroi
5980-01-328-0424 INTERCHANGEABLE
Display,optoelectronic
5330-01-332-00037744772 INTERCHANGEABLE
Gasket
Deutz Corporation
Cross-Reference Index
Part NumberManufacturer
44772 Cat Pumps Corp (USA)
44772 PRIMARY Bourns Inc (USA)
Related Parts
5905-00-681-5187INTERCHANGEABLE
RESISTOR,VARIABLE,WIRE WOUND,NON
598-401-1892608REVBPC30
4310-00-777-6682INTERCHANGEABLE
RING SET,PISTON
44772
5980-01-328-0424INTERCHANGEABLE
DISPLAY,OPTOELECTRONIC
5330-01-332-0003INTERCHANGEABLE
GASKET
7744772

Frequently Asked Questions

What is NSN 4820-01-551-5344?

NSN 4820-01-551-5344 is a Seat,valve, manufactured by Bourns Inc, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-551-5344?

NSN 4820-01-551-5344 has 2 cross-referenced part numbers: 44772 (Cat Pumps Corp), 44772 (Bourns Inc).

What NSN replaces 4820-01-551-5344?

There are 4 known substitutes for 4820-01-551-5344: 5905-00-681-5187, 4310-00-777-6682, 5980-01-328-0424 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 44772?

Key specifications for 44772: Special Features: NHA; PLUNGER PUMP; Material: STEEL BODY. 2 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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