PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

70-144-01Valve,ball

Electric Boat Corporation Div General Dynamics Electric Boat · NSN 4820-01-305-7850 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-305-7850 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-305-7850. Primary manufacturer part number: 70-144-01.
Features
  • Valve,ball — FSC 4820
  • Style Designator: STRAIGHT THRU
  • Material: BRONZE BODY
  • Operating Pressure: 600.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
  • Valve Size: 0.750 INCHES IN
  • 3 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
  • Applications requiring Bronze Body construction
General Description

The Valve,ball, cataloged under National Stock Number 4820-01-305-7850, 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 4 verified specifications, 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. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-305-7850
Primary Part Number70-144-01
Item NameValve,ball
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerElectric Boat Corporation Div General Dynamics Electric Boat
StatusACTIVE
Style DesignatorSTRAIGHT THRU
MaterialBRONZE BODY
Operating Pressure600.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Valve Size0.750 INCHES IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
5930-00-812-888813214E2204 INTERCHANGEABLE
Switch,pressure
Cecom Lr Center
2835-01-034-6932367489-1 INTERCHANGEABLE
Seal Assembly,carri
Honeywell International Inc. Dba Honeywell International Div Aerospace - Phoenix
5355-01-081-884843606 INTERCHANGEABLE
Knob
Te-Co Manufacturing Llc Dba Te-Co Manufacturing Llc
5910-01-155-7776SM-B-698333 INTERCHANGEABLE
Retainer,capacitor
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
4320-01-359-2428A2.39.529 INTERCHANGEABLE
Ring,wearing
Rbsl Washington
4820-01-418-464370-14401 INTERCHANGEABLE
Valve,ball
Aalberts Integrated Piping Systems Americas, Inc.
5120-01-434-9202 INTERCHANGEABLE
Punch,drive Pin
4930-01-460-0220GF100-6 INTERCHANGEABLE
Purifier,centrifugal,oil
In Mar Systems Inc
6670-01-632-36717014-4 INTERCHANGEABLE
Weight,balance
Troemner Llc
4720-01-697-8978 INTERCHANGEABLE
Hose Assembly,nonmetallic
Cross-Reference Index
Part NumberManufacturer
70-144 Cooper Industries Inc Dba Cooper Tools (USA)
70-144-01 PRIMARY Electric Boat Corporation Div General Dynamics Electric Boat (USA)
6129486 ITEM 15 Naval Sea Systems Command (USA)
Related Parts
5930-00-812-8888INTERCHANGEABLE
SWITCH,PRESSURE
13214E2204
2835-01-034-6932INTERCHANGEABLE
SEAL ASSEMBLY,CARRI
367489-1
5355-01-081-8848INTERCHANGEABLE
KNOB
43606
5910-01-155-7776INTERCHANGEABLE
RETAINER,CAPACITOR
SM-B-698333
4320-01-359-2428INTERCHANGEABLE
RING,WEARING
A2.39.529
4820-01-418-4643INTERCHANGEABLE
VALVE,BALL
70-14401
5120-01-434-9202INTERCHANGEABLE
PUNCH,DRIVE PIN
4930-01-460-0220INTERCHANGEABLE
PURIFIER,CENTRIFUGAL,OIL
GF100-6
6670-01-632-3671INTERCHANGEABLE
WEIGHT,BALANCE
7014-4
4720-01-697-8978INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC

Frequently Asked Questions

What is NSN 4820-01-305-7850?

NSN 4820-01-305-7850 is a Valve,ball, 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 4820-01-305-7850?

NSN 4820-01-305-7850 has 3 cross-referenced part numbers: 70-144 (Cooper Industries Inc Dba Cooper Tools), 70-144-01 (Electric Boat Corporation Div General Dynamics Electric Boat), 6129486 ITEM 15 (Naval Sea Systems Command).

What NSN replaces 4820-01-305-7850?

There are 10 known substitutes for 4820-01-305-7850: 5930-00-812-8888, 2835-01-034-6932, 5355-01-081-8848 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 70-144-01?

Key specifications for 70-144-01: Style Designator: STRAIGHT THRU; Material: BRONZE BODY; Operating Pressure: 600.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS; Valve Size: 0.750 INCHES IN. 4 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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