PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

845-1889554ASSYBValve,check

Electric Boat Corporation Div General Dynamics Electric Boat · NSN 4820-01-600-3296 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-600-3296 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-600-3296. Primary manufacturer part number: 845-1889554ASSYB.
Features
  • Valve,check — FSC 4820
  • Reference Number Differentiating Characteristics: MATERIAL WILL BE IN ACCORDANCE WITH NAVSUP WSS ACTIVITY HX QUALITY CONTRMANUFACTURING AND TESTING SPECIFICATIONS
  • Criticality Code Justification: ZZZY
  • 2 verified cross-references
  • Primary manufacturer: Electric Boat Corporation Div General Dynamics Electric Boat
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Valve,check, cataloged under National Stock Number 4820-01-600-3296, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Electric Boat Corporation Div General Dynamics Electric Boat. Government technical data includes 2 verified specifications, 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. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-600-3296
Primary Part Number845-1889554ASSYB
Item NameValve,check
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerElectric Boat Corporation Div General Dynamics Electric Boat
StatusACTIVE
Reference Number Differentiating CharacteristicsMATERIAL WILL BE IN ACCORDANCE WITH NAVSUP WSS ACTIVITY HX QUALITY CONTRMANUFACTURING AND TESTING SPECIFICATIONS
Criticality Code JustificationZZZY
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
3010-00-399-4399150104 INTERCHANGEABLE
Pin Set,coupling
Emerson Power Transmission Corporation Dba Emerson Div Emerson Power Transmission Division
4820-00-740-7437150104 INTERCHANGEABLE
Valve,check
Eaton Corporation Dba Eaton Inoac Div Eaton
5985-00-975-3502134295-0001 INTERCHANGEABLE
Switch,radio Frequency Transmiss
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp
7035-01-202-4841 INTERCHANGEABLE
Tape,standard Level
6685-01-451-2948150-104 INTERCHANGEABLE
Gage,pressure,dial Indicating
Vdo-Yazaki Corp
Cross-Reference Index
Part NumberManufacturer
845-1889554ASSYB Electric Boat Corporation Div General Dynamics Electric Boat (USA)
150104 Eaton Aerospace Llc (USA)
Related Parts
3010-00-399-4399INTERCHANGEABLE
PIN SET,COUPLING
150104
4820-00-740-7437INTERCHANGEABLE
VALVE,CHECK
150104
5985-00-975-3502INTERCHANGEABLE
SWITCH,RADIO FREQUENCY TRANSMISS
134295-0001
7035-01-202-4841INTERCHANGEABLE
TAPE,STANDARD LEVEL
6685-01-451-2948INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
150-104

Frequently Asked Questions

What is NSN 4820-01-600-3296?

NSN 4820-01-600-3296 is a Valve,check, manufactured by Electric Boat Corporation Div General Dynamics Electric Boat, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-600-3296?

NSN 4820-01-600-3296 has 2 cross-referenced part numbers: 845-1889554ASSYB (Electric Boat Corporation Div General Dynamics Electric Boat), 150104 (Eaton Aerospace Llc).

What NSN replaces 4820-01-600-3296?

There are 5 known substitutes for 4820-01-600-3296: 3010-00-399-4399, 4820-00-740-7437, 5985-00-975-3502 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 845-1889554ASSYB?

Key specifications for 845-1889554ASSYB: Reference Number Differentiating Characteristics: MATERIAL WILL BE IN ACCORDANCE WITH NAVSUP WSS ACTIVITY HX QUALITY CONTRMANUFACTURING AND TESTING SPECIFICATIONS; Criticality Code Justification: ZZZY. 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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