PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4444Plug,check Valve Steering

Haskel International, Llc Dba Haskel International, Llc · NSN 1620-00-024-6345 · FSC 1620 · No Item Name Available
Verified by PartsTable
NSN 1620-00-024-6345 — this item is cataloged by the U.S. Government under National Stock Number 1620-00-024-6345. Primary manufacturer part number: 4444.
Features
  • Plug,check Valve Steering — FSC 1620
  • General Characteristics Item Description: ALUMINUM ALLOY,0.906 IN. LG,0.780 IN. OD,0.437 IN. ID IN
  • 1 verified cross-reference
  • Primary manufacturer: Haskel International, Llc Dba Haskel International, Llc
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Plug,check Valve Steering, cataloged under National Stock Number 1620-00-024-6345, is classified within Federal Supply Class 1620 (No Item Name Available) of the Aircraft Components and Accessories group. The primary manufacturer of record is Haskel International, Llc Dba Haskel International, Llc. 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
NSN1620-00-024-6345
Primary Part Number4444
Item NamePlug,check Valve Steering
FSC / FSG1620 / 16 — No Item Name Available
ManufacturerHaskel International, Llc Dba Haskel International, Llc
StatusACTIVE
General Characteristics Item DescriptionALUMINUM ALLOY,0.906 IN. LG,0.780 IN. OD,0.437 IN. ID IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5999-00-197-22883420A INTERCHANGEABLE
Heat Sink,electrical-Electronic
Cts Electronic Components (california) Inc Dba Ierc Div Cts Electronic Components
7810-00-241-3357 INTERCHANGEABLE
Swivel,striking Bag
5310-00-582-5676MS15795-209 INTERCHANGEABLE
Washer,flat
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
4320-00-773-75949508 INTERCHANGEABLE
Impeller,pump,centrifugal
Coffin Turbo Pump Inc
5905-00-782-831193J5K6 INTERCHANGEABLE
Resistor,fixed,wire Wound,induct
Ohmite Holding, L.l.c. Dba Ohmite Manufacturing
2530-00-797-929511480 INTERCHANGEABLE
Air Filter,brake Li
Haldex Brake Products Corporation
5930-00-828-7849 INTERCHANGEABLE
Switch,push
5996-00-957-79234444 INTERCHANGEABLE
Amplifier,radio Frequency
Drs Signal Solutions, Inc.
5305-01-064-6260411200-81 INTERCHANGEABLE
Screw,shoulder
Carey Manufacturing Co, Inc Dba Amatom Electronic Hardware Div Amatom Electronic Hardware
5985-01-102-157640-012082-04 INTERCHANGEABLE
Attenuator,fixed
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple
Cross-Reference Index
Part NumberManufacturer
4444 Haskel International, Llc Dba Haskel International, Llc (USA)
Related Parts
5999-00-197-2288INTERCHANGEABLE
HEAT SINK,ELECTRICAL-ELECTRONIC
3420A
7810-00-241-3357INTERCHANGEABLE
SWIVEL,STRIKING BAG
5310-00-582-5676INTERCHANGEABLE
WASHER,FLAT
MS15795-209
4320-00-773-7594INTERCHANGEABLE
IMPELLER,PUMP,CENTRIFUGAL
9508
5905-00-782-8311INTERCHANGEABLE
RESISTOR,FIXED,WIRE WOUND,INDUCT
93J5K6
2530-00-797-9295INTERCHANGEABLE
AIR FILTER,BRAKE LI
11480
5930-00-828-7849INTERCHANGEABLE
SWITCH,PUSH
5996-00-957-7923INTERCHANGEABLE
AMPLIFIER,RADIO FREQUENCY
4444
5305-01-064-6260INTERCHANGEABLE
SCREW,SHOULDER
411200-81
5985-01-102-1576INTERCHANGEABLE
ATTENUATOR,FIXED
40-012082-04
5305-01-157-0882INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
4444
6760-01-225-2235INTERCHANGEABLE
CAMERA HEAD,FIXED

Frequently Asked Questions

What is NSN 1620-00-024-6345?

NSN 1620-00-024-6345 is a Plug,check Valve Steering, manufactured by Haskel International, Llc Dba Haskel International, Llc, classified under FSC 1620 (No Item Name Available). Status: active.

What are the part numbers for NSN 1620-00-024-6345?

NSN 1620-00-024-6345 has 1 cross-referenced part number: 4444 (Haskel International, Llc Dba Haskel International, Llc).

What NSN replaces 1620-00-024-6345?

There are 12 known substitutes for 1620-00-024-6345: 5999-00-197-2288, 7810-00-241-3357, 5310-00-582-5676 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 4444?

Key specifications for 4444: General Characteristics Item Description: ALUMINUM ALLOY,0.906 IN. LG,0.780 IN. OD,0.437 IN. ID IN. 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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