PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4431Support,linkage,damper

Haskel International, Llc Dba Haskel International, Llc · NSN 1620-00-699-0275 · FSC 1620 · No Item Name Available
Verified by PartsTable
NSN 1620-00-699-0275 — this item is cataloged by the U.S. Government under National Stock Number 1620-00-699-0275. Primary manufacturer part number: 4431.
Features
  • Support,linkage,damper — FSC 1620
  • General Characteristics Item Description: STEEL FORGING 4426,APPROX 1.35 IN. O/A LG,5.31 IN. W,BOTTOM SURFACE1.125 IN. RADIUS WITH TWO 0.213 IN. DIA 0.250-28 UNF-3B THD MTG HOLES 0.75IN. C TO C,TWO LUGS ON 1ST END WITH TWO 0.186 IN. DIA MTG HOLES IN LINE IN
  • 1 verified cross-reference
  • Primary manufacturer: Haskel International, Llc Dba Haskel International, Llc
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Support,linkage,damper, cataloged under National Stock Number 1620-00-699-0275, 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
NSN1620-00-699-0275
Primary Part Number4431
Item NameSupport,linkage,damper
FSC / FSG1620 / 16 — No Item Name Available
ManufacturerHaskel International, Llc Dba Haskel International, Llc
StatusACTIVE
General Characteristics Item DescriptionSTEEL FORGING 4426,APPROX 1.35 IN. O/A LG,5.31 IN. W,BOTTOM SURFACE1.125 IN. RADIUS WITH TWO 0.213 IN. DIA 0.250-28 UNF-3B THD MTG HOLES 0.75IN. C TO C,TWO LUGS ON 1ST END WITH TWO 0.186 IN. DIA MTG HOLES IN LINE IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5905-00-082-72183X2250 INTERCHANGEABLE
Resistor,fixed,wire Wound
Ward Leonard Ct Llc
5935-00-088-8964MS3108R14S7PX INTERCHANGEABLE
Connector,plug,electrical
Sae International Dba Sae International
5120-00-133-0642 INTERCHANGEABLE
Die,crimping Tool
5955-00-149-9289443-1 INTERCHANGEABLE
Oscillator,crystal Controlled
Ametek Programmable Power, Inc.
6240-00-265-65371H7027 INTERCHANGEABLE
Lamp,incandescent
Caterpillar Inc Div Caterpillar Defense
5962-00-318-2223 INTERCHANGEABLE
Microcircuit,digital
2520-00-390-94584431 INTERCHANGEABLE
Housing,clutch
Eaton Corp Transmission Div
6625-00-583-15269157156 INTERCHANGEABLE
Detector,radio Frequency
Us Army Aviation and Missile Command
5999-00-674-23324431 INTERCHANGEABLE
Clip,electrical
Cooper Bussmann, Llc Dba Cooper Industries
5310-00-699-1269020199 INTERCHANGEABLE
Washer,flat
Thermo King Corporation Dba Phoenix Global Distirbution.
Cross-Reference Index
Part NumberManufacturer
4431 Haskel International, Llc Dba Haskel International, Llc (USA)
Related Parts
5905-00-082-7218INTERCHANGEABLE
RESISTOR,FIXED,WIRE WOUND
3X2250
5935-00-088-8964INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
MS3108R14S7PX
5120-00-133-0642INTERCHANGEABLE
DIE,CRIMPING TOOL
5955-00-149-9289INTERCHANGEABLE
OSCILLATOR,CRYSTAL CONTROLLED
443-1
6240-00-265-6537INTERCHANGEABLE
LAMP,INCANDESCENT
1H7027
5962-00-318-2223INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
2520-00-390-9458INTERCHANGEABLE
HOUSING,CLUTCH
4431
6625-00-583-1526INTERCHANGEABLE
DETECTOR,RADIO FREQUENCY
9157156
5999-00-674-2332INTERCHANGEABLE
CLIP,ELECTRICAL
4431
5310-00-699-1269INTERCHANGEABLE
WASHER,FLAT
020199
5305-01-088-2802INTERCHANGEABLE
SCREW,SHOULDER
4431
5910-01-145-0417INTERCHANGEABLE
CAPACITOR,FIXED,PAPER DIELECTRIC

Frequently Asked Questions

What is NSN 1620-00-699-0275?

NSN 1620-00-699-0275 is a Support,linkage,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 1620-00-699-0275?

NSN 1620-00-699-0275 has 1 cross-referenced part number: 4431 (Haskel International, Llc Dba Haskel International, Llc).

What NSN replaces 1620-00-699-0275?

There are 12 known substitutes for 1620-00-699-0275: 5905-00-082-7218, 5935-00-088-8964, 5120-00-133-0642 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 4431?

Key specifications for 4431: General Characteristics Item Description: STEEL FORGING 4426,APPROX 1.35 IN. O/A LG,5.31 IN. W,BOTTOM SURFACE1.125 IN. RADIUS WITH TWO 0.213 IN. DIA 0.250-28 UNF-3B THD MTG HOLES 0.75IN. C TO C,TWO LUGS ON 1ST END WITH TWO 0.186 IN. DIA MTG HOLES IN LINE 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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