PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

8850-1Valve,directional Control

Itt Aerospace Controls Llc Dba Itt Aerospace Controls Unit S · NSN 4820-00-499-9227 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-499-9227 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-499-9227. Primary manufacturer part number: 8850-1.
Features
  • Valve,directional Control — FSC 4820
  • General Characteristics Item Description: CRES,3 PORTS,OPERATING PRESSURE 120.0 PSI,TEMP 100 DEG F MINUS TO 450 DEG F PLUS DEGF
  • 3 verified cross-references
  • Primary manufacturer: Itt Aerospace Controls Llc Dba Itt Aerospace Controls Unit S
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Valve,directional Control, cataloged under National Stock Number 4820-00-499-9227, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Itt Aerospace Controls Llc Dba Itt Aerospace Controls Unit S. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-00-499-9227
Primary Part Number8850-1
Item NameValve,directional Control
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerItt Aerospace Controls Llc Dba Itt Aerospace Controls Unit S
StatusACTIVE
General Characteristics Item DescriptionCRES,3 PORTS,OPERATING PRESSURE 120.0 PSI,TEMP 100 DEG F MINUS TO 450 DEG F PLUS DEGF
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 11
3110-00-156-3444FS88501-1V1 INTERCHANGEABLE
Bearing,ball,annular
Schatz Bearing Corporation Dba Schatz Bearing Corp
5950-00-238-1841 INTERCHANGEABLE
Reactor
2530-00-693-06192258U385 INTERCHANGEABLE
Spring Steering Tie
Meritor Heavy Vehicle Systems, Llc
5325-00-804-2772 INTERCHANGEABLE
Ring,retaining
4720-00-924-63793R1698 INTERCHANGEABLE
Hose,nonmetallic
Caterpillar Inc Div Caterpillar Defense
4710-01-069-5791 INTERCHANGEABLE
Tube Assembly
6515-01-236-086388501 INTERCHANGEABLE
Bag,ostomy
Hollister Inc
6625-01-367-20808850-1 INTERCHANGEABLE
Generator,sweep
A. T. Parker, Inc. Div Solar Electronics Company
5360-01-460-542788501 INTERCHANGEABLE
Spring,helical,compression
Templeton Kenly and Co Inc
3990-01-612-7783885-01 INTERCHANGEABLE
Tie Down,cargo,vehicle
S.p.e.p. Acquisition Corp. Dba Sierra Pacific Engineering and Products
Cross-Reference Index
Part NumberManufacturer
58870-1 Northrop Grumman Systems Corporation Dba Aerospace Systems Div Aeronautics Systems (USA)
8850-1 PRIMARY Itt Aerospace Controls Llc Dba Itt Aerospace Controls Unit S (USA)
3R1698 PRIMARY Crissair Inc Div Esco Technologies (USA)
Related Parts
3110-00-156-3444INTERCHANGEABLE
BEARING,BALL,ANNULAR
FS88501-1V1
5950-00-238-1841INTERCHANGEABLE
REACTOR
2530-00-693-0619INTERCHANGEABLE
SPRING STEERING TIE
2258U385
5325-00-804-2772INTERCHANGEABLE
RING,RETAINING
4720-00-924-6379INTERCHANGEABLE
HOSE,NONMETALLIC
3R1698
4710-01-069-5791INTERCHANGEABLE
TUBE ASSEMBLY
6515-01-236-0863INTERCHANGEABLE
BAG,OSTOMY
88501
6625-01-367-2080INTERCHANGEABLE
GENERATOR,SWEEP
8850-1
5360-01-460-5427INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
88501
3990-01-612-7783INTERCHANGEABLE
TIE DOWN,CARGO,VEHICLE
885-01
3444-01-668-2302INTERCHANGEABLE
PRESS,ARBOR,HAND OPERATED
88501

Frequently Asked Questions

What is NSN 4820-00-499-9227?

NSN 4820-00-499-9227 is a Valve,directional Control, manufactured by Itt Aerospace Controls Llc Dba Itt Aerospace Controls Unit S, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-00-499-9227?

NSN 4820-00-499-9227 has 3 cross-referenced part numbers: 58870-1 (Northrop Grumman Systems Corporation Dba Aerospace Systems Div Aeronautics Systems), 8850-1 (Itt Aerospace Controls Llc Dba Itt Aerospace Controls Unit S), 3R1698 (Crissair Inc Div Esco Technologies).

What NSN replaces 4820-00-499-9227?

There are 11 known substitutes for 4820-00-499-9227: 3110-00-156-3444, 5950-00-238-1841, 2530-00-693-0619 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 8850-1?

Key specifications for 8850-1: General Characteristics Item Description: CRES,3 PORTS,OPERATING PRESSURE 120.0 PSI,TEMP 100 DEG F MINUS TO 450 DEG F PLUS DEGF. 1 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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