PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

5251Seat,valve

Modern Engineering Co Inc · NSN 4820-01-244-2474 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-244-2474 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-244-2474. Primary manufacturer part number: 5251.
Features
  • Seat,valve — FSC 4820
  • Material: RUBBER CHLOROPRENE BODY
  • 1 verified cross-reference
  • Primary manufacturer: Modern Engineering Co Inc
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Rubber Chloroprene Body construction
General Description

The Seat,valve, cataloged under National Stock Number 4820-01-244-2474, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Modern Engineering Co Inc. Government technical data includes 1 verified specification, 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-244-2474
Primary Part Number5251
Item NameSeat,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerModern Engineering Co Inc
StatusACTIVE
MaterialRUBBER CHLOROPRENE BODY
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5310-00-216-3531W0-1 INTERCHANGEABLE
Washer,flat
Honeywell Intl Inc Defense Avionics Systems
2990-00-258-648621143 INTERCHANGEABLE
Muffler,exhaust
Walker Mfg Co
3120-00-359-01925251 INTERCHANGEABLE
Bearing,washer,thrust
Mitsubishi Caterpillar Forklift America, Inc
5950-00-456-89031C34 INTERCHANGEABLE
Reactor
A.e.york, Llc
5975-00-615-91735251 INTERCHANGEABLE
Box Connector,electrical
Abb Installation Products Inc
5915-00-772-5293 INTERCHANGEABLE
Filter,low Pass
5935-00-990-26785251 INTERCHANGEABLE
Connector,receptacle,electrical
Hubbell Incorporated (delaware) Dba Wiring Device-Kellems Division
5998-01-020-1651525-1 INTERCHANGEABLE
Circuit Card Assembly
Marc Alan Group the, Inc
5935-01-020-20935251 INTERCHANGEABLE
Connector,receptacle,electrical
Bryant Electric
3020-01-116-00305251 INTERCHANGEABLE
Sprocket Wheel
Edro Corporation, the Dba Edro Corp
Cross-Reference Index
Part NumberManufacturer
5251 Modern Engineering Co Inc (USA)
Related Parts
5310-00-216-3531INTERCHANGEABLE
WASHER,FLAT
W0-1
2990-00-258-6486INTERCHANGEABLE
MUFFLER,EXHAUST
21143
3120-00-359-0192INTERCHANGEABLE
BEARING,WASHER,THRUST
5251
5950-00-456-8903INTERCHANGEABLE
REACTOR
1C34
5975-00-615-9173INTERCHANGEABLE
BOX CONNECTOR,ELECTRICAL
5251
5915-00-772-5293INTERCHANGEABLE
FILTER,LOW PASS
5935-00-990-2678INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
5251
5998-01-020-1651INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
525-1
5935-01-020-2093INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
5251
3020-01-116-0030INTERCHANGEABLE
SPROCKET WHEEL
5251
5915-01-123-4208INTERCHANGEABLE
FILTER,RADIO FREQUENCY INTERFERE
6515-01-212-0642INTERCHANGEABLE
MASK,ORONASAL
VSI5251

Frequently Asked Questions

What is NSN 4820-01-244-2474?

NSN 4820-01-244-2474 is a Seat,valve, manufactured by Modern Engineering Co Inc, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-244-2474?

NSN 4820-01-244-2474 has 1 cross-referenced part number: 5251 (Modern Engineering Co Inc).

What NSN replaces 4820-01-244-2474?

There are 12 known substitutes for 4820-01-244-2474: 5310-00-216-3531, 2990-00-258-6486, 3120-00-359-0192 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 5251?

Key specifications for 5251: Material: RUBBER CHLOROPRENE BODY. 1 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com