PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2261Seat,valve

Imi Cash Valve Inc · NSN 4820-00-069-9049 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-069-9049 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-069-9049. Primary manufacturer part number: 2261.
Features
  • Seat,valve — FSC 4820
  • Body Inside Diameter: 0.203 INCHES NOMINAL IN
  • Seating Surface Shape: FLAT
  • Material: RUBBER POLYACRYLATE OVERALL
  • Style Designator: PLAIN
  • Body Outside Diameter: 0.687 INCHES NOMINAL IN
  • 1 verified cross-reference
  • Primary manufacturer: Imi Cash Valve Inc
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Rubber Polyacrylate Overall construction
General Description

The Seat,valve, cataloged under National Stock Number 4820-00-069-9049, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Imi Cash Valve Inc. Government technical data includes 5 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-00-069-9049
Primary Part Number2261
Item NameSeat,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerImi Cash Valve Inc
StatusACTIVE
Body Inside Diameter0.203 INCHES NOMINAL IN
Seating Surface ShapeFLAT
MaterialRUBBER POLYACRYLATE OVERALL
Style DesignatorPLAIN
Body Outside Diameter0.687 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
6685-00-174-62392261-08000QF INTERCHANGEABLE
Thermometer,self-Indicating,bime
Control Specialties Inc
4920-00-257-50952261 INTERCHANGEABLE
Accessory Kit,test Set
Bae Systems Information and Electronic Systems Integration Inc.
9390-00-290-4021 INTERCHANGEABLE
Nonmetallic Special Shaped Secti
6685-00-521-0656PH660U INTERCHANGEABLE
Thermometer,self-Indicating,bime
Joint Electronics Type Designation System
6685-00-663-80936-01276 INTERCHANGEABLE
Thermometer,self-Indicating,bime
Sigma Products & Mfg
4920-00-708-30242261 INTERCHANGEABLE
Cable Assy
Marvel Manufacturing Co Div the Marvel Manufacturing Company
6685-00-764-4248 INTERCHANGEABLE
Thermometer,self-Indicating,bime
5985-00-975-4038RLA150-NF INTERCHANGEABLE
Adapter,waveguide
Andrew Llc
6685-00-979-8961 INTERCHANGEABLE
Thermometer,self-Indicating,bime
5331-00-999-85652-261S604-70 INTERCHANGEABLE
O-Ring
Parker-Hannifin Corp Div O-Ring Division
Cross-Reference Index
Part NumberManufacturer
2261 PRIMARY Imi Cash Valve Inc (USA)
Related Parts
6685-00-174-6239INTERCHANGEABLE
THERMOMETER,SELF-INDICATING,BIME
2261-08000QF
4920-00-257-5095INTERCHANGEABLE
ACCESSORY KIT,TEST SET
2261
9390-00-290-4021INTERCHANGEABLE
NONMETALLIC SPECIAL SHAPED SECTI
6685-00-521-0656INTERCHANGEABLE
THERMOMETER,SELF-INDICATING,BIME
PH660U
6685-00-663-8093INTERCHANGEABLE
THERMOMETER,SELF-INDICATING,BIME
6-01276
4920-00-708-3024INTERCHANGEABLE
CABLE ASSY
2261
6685-00-764-4248INTERCHANGEABLE
THERMOMETER,SELF-INDICATING,BIME
5985-00-975-4038INTERCHANGEABLE
ADAPTER,WAVEGUIDE
RLA150-NF
6685-00-979-8961INTERCHANGEABLE
THERMOMETER,SELF-INDICATING,BIME
5331-00-999-8565INTERCHANGEABLE
O-RING
2-261S604-70
5331-01-106-7286INTERCHANGEABLE
O-RING
MS28775-261
5950-01-233-2498INTERCHANGEABLE
TRANSFORMER,CURRENT
2261

Frequently Asked Questions

What is NSN 4820-00-069-9049?

NSN 4820-00-069-9049 is a Seat,valve, manufactured by Imi Cash Valve Inc, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-00-069-9049?

NSN 4820-00-069-9049 has 1 cross-referenced part number: 2261 (Imi Cash Valve Inc).

What NSN replaces 4820-00-069-9049?

There are 12 known substitutes for 4820-00-069-9049: 6685-00-174-6239, 4920-00-257-5095, 9390-00-290-4021 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 2261?

Key specifications for 2261: Body Inside Diameter: 0.203 INCHES NOMINAL IN; Seating Surface Shape: FLAT; Material: RUBBER POLYACRYLATE OVERALL; Style Designator: PLAIN. 6 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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