PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4421Sleeve,check Valve,steer Damper

Haskel International, Llc Dba Haskel International, Llc · NSN 1620-00-024-6341 · FSC 1620 · No Item Name Available
Verified by PartsTable
NSN 1620-00-024-6341 — this item is cataloged by the U.S. Government under National Stock Number 1620-00-024-6341. Primary manufacturer part number: 4421.
Features
  • Sleeve,check Valve,steer Damper — FSC 1620
  • General Characteristics Item Description: STEEL,1.312 IN. LG,0.790 IN. OD,0.250 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 Sleeve,check Valve,steer Damper, cataloged under National Stock Number 1620-00-024-6341, 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
NSN1620-00-024-6341
Primary Part Number4421
Item NameSleeve,check Valve,steer Damper
FSC / FSG1620 / 16 — No Item Name Available
ManufacturerHaskel International, Llc Dba Haskel International, Llc
StatusACTIVE
General Characteristics Item DescriptionSTEEL,1.312 IN. LG,0.790 IN. OD,0.250 IN. ID IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5315-00-012-4553102514 INTERCHANGEABLE
Key,woodruff
Garwood/feller Inc Garwood Winch Div
3655-00-070-04734421 INTERCHANGEABLE
Clamp Assembly,thermometer
Randall Mfg. Co., Inc.
3110-00-100-369807093 INTERCHANGEABLE
Cone and Rollers,tapered Roller
The Timken Corporation
5905-00-173-732116999PC30 INTERCHANGEABLE
Resistor,adjustable
Ward Leonard Ct Llc
1630-00-369-6495442-1 INTERCHANGEABLE
Piston and Insert Assembly
Smith and Smith Aircraft Co
5920-00-548-99494421 INTERCHANGEABLE
Fuseholder,block
Cooper Bussmann, Llc Dba Cooper Industries
6625-00-583-15269157156 INTERCHANGEABLE
Detector,radio Frequency
Us Army Aviation and Missile Command
6760-01-015-4456 INTERCHANGEABLE
Floodlight Set,electric
5910-01-070-6598724517-1 INTERCHANGEABLE
Capacitor,fixed,plastic Dielectr
Raytheon Company Div Rmd Strategic
5305-01-093-31234421 INTERCHANGEABLE
Screw,shoulder
Roller Bearing Co of America, Inc Div Pic Design
Cross-Reference Index
Part NumberManufacturer
4421 Haskel International, Llc Dba Haskel International, Llc (USA)
Related Parts
5315-00-012-4553INTERCHANGEABLE
KEY,WOODRUFF
102514
3655-00-070-0473INTERCHANGEABLE
CLAMP ASSEMBLY,THERMOMETER
4421
3110-00-100-3698INTERCHANGEABLE
CONE AND ROLLERS,TAPERED ROLLER
07093
5905-00-173-7321INTERCHANGEABLE
RESISTOR,ADJUSTABLE
16999PC30
1630-00-369-6495INTERCHANGEABLE
PISTON AND INSERT ASSEMBLY
442-1
5920-00-548-9949INTERCHANGEABLE
FUSEHOLDER,BLOCK
4421
6625-00-583-1526INTERCHANGEABLE
DETECTOR,RADIO FREQUENCY
9157156
6760-01-015-4456INTERCHANGEABLE
FLOODLIGHT SET,ELECTRIC
5910-01-070-6598INTERCHANGEABLE
CAPACITOR,FIXED,PLASTIC DIELECTR
724517-1
5305-01-093-3123INTERCHANGEABLE
SCREW,SHOULDER
4421
7520-01-379-0831INTERCHANGEABLE
FRAME,FILE DRAWER
7025-01-437-4463INTERCHANGEABLE
DISK DRIVE UNIT

Frequently Asked Questions

What is NSN 1620-00-024-6341?

NSN 1620-00-024-6341 is a Sleeve,check Valve,steer Damper, 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 1620-00-024-6341?

NSN 1620-00-024-6341 has 1 cross-referenced part number: 4421 (Haskel International, Llc Dba Haskel International, Llc).

What NSN replaces 1620-00-024-6341?

There are 12 known substitutes for 1620-00-024-6341: 5315-00-012-4553, 3655-00-070-0473, 3110-00-100-3698 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 4421?

Key specifications for 4421: General Characteristics Item Description: STEEL,1.312 IN. LG,0.790 IN. OD,0.250 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.
PartsTable Design LLC · partstable.com