PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

51-5-9Seat,valve

Emerson Automation Solutions Final Control Us Lp Div Navy Product Team · NSN 4820-00-036-1755 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-036-1755 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-036-1755. Primary manufacturer part number: 51-5-9.
Features
  • Seat,valve — FSC 4820
  • 6 verified cross-references
  • Primary manufacturer: Emerson Automation Solutions Final Control Us Lp Div Navy Product Team
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Seat,valve, cataloged under National Stock Number 4820-00-036-1755, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Emerson Automation Solutions Final Control Us Lp Div Navy Product Team. This item has 6 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameSeat,valve
FSC / FSG4820 — No Item Name Available (FSG 48)
ManufacturersEmerson Automation Solutions Final Control Us Lp Div Navy Product Team (CAGE 15187); Anderson Greenwood Lp Dba Anderson Greenwood Crosby (CAGE 01343); Kunkle Industries Inc Lonergan Valve Div (CAGE 75954)
Technical Specifications
ParameterValue
NSN4820-00-036-1755
Primary Part Number51-5-9
Item NameSeat,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerEmerson Automation Solutions Final Control Us Lp Div Navy Product Team
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5305-00-150-9210 INTERCHANGEABLE
Screw,machine
6625-00-197-6389535162-306 INTERCHANGEABLE
Ammeter
Marathonnorco Aerospace, Inc. Dba Christie Electric
5935-00-204-6056TRU-0861 INTERCHANGEABLE
Connector,receptacle,electrical
Winchester Interconnect Rf Corporation
5930-00-258-5289BZ-R31 INTERCHANGEABLE
Switch,sensitive
Honeywell International Inc. Dba Honeyweel Sensing & Controls
5920-00-280-8342 INTERCHANGEABLE
Fuse,cartridge
5950-00-597-36615159 INTERCHANGEABLE
Transformer,power
Carson Mfg Co Inc
5950-00-725-7271 INTERCHANGEABLE
Transformer,power
5360-00-832-1748 INTERCHANGEABLE
Spring
5310-00-995-82355159 INTERCHANGEABLE
Washer,flat
Lockheed Martin Corp
2530-01-092-85193898145 INTERCHANGEABLE
Caliper,disc Brake
Chrysler Corp Service and Parts Opns
Cross-Reference Index
Part NumberManufacturer
51-5-9 PRIMARY Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA)
012.500.0009 Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA)
012.500.0009 Kunkle Industries Inc Lonergan Valve Div (USA)
51-5-9 Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA)
51-5-9 Kunkle Industries Inc Lonergan Valve Div (USA)
012.500.0009 PRIMARY Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA)
Related Parts
5305-00-150-9210INTERCHANGEABLE
SCREW,MACHINE
6625-00-197-6389INTERCHANGEABLE
AMMETER
535162-306
5935-00-204-6056INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
TRU-0861
5930-00-258-5289INTERCHANGEABLE
SWITCH,SENSITIVE
BZ-R31
5920-00-280-8342INTERCHANGEABLE
FUSE,CARTRIDGE
5950-00-597-3661INTERCHANGEABLE
TRANSFORMER,POWER
5159
5950-00-725-7271INTERCHANGEABLE
TRANSFORMER,POWER
5360-00-832-1748INTERCHANGEABLE
SPRING
5310-00-995-8235INTERCHANGEABLE
WASHER,FLAT
5159
2530-01-092-8519INTERCHANGEABLE
CALIPER,DISC BRAKE
3898145
5915-01-184-4122INTERCHANGEABLE
FILTER,BAND PASS
293-1319-010
5940-01-346-4964INTERCHANGEABLE
TERMINAL,QUICK DISCONNECT

Frequently Asked Questions

What is NSN 4820-00-036-1755?

NSN 4820-00-036-1755 is a Seat,valve, manufactured by Emerson Automation Solutions Final Control Us Lp Div Navy Product Team, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-00-036-1755?

NSN 4820-00-036-1755 has 6 cross-referenced part numbers: 51-5-9 (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team), 012.500.0009 (Anderson Greenwood Lp Dba Anderson Greenwood Crosby), 012.500.0009 (Kunkle Industries Inc Lonergan Valve Div), 51-5-9 (Anderson Greenwood Lp Dba Anderson Greenwood Crosby), 51-5-9 (Kunkle Industries Inc Lonergan Valve Div) and 1 more.

What NSN replaces 4820-00-036-1755?

There are 12 known substitutes for 4820-00-036-1755: 5305-00-150-9210, 6625-00-197-6389, 5935-00-204-6056 and 9 more. Verify interchangeability with system specifications before substitution.

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