PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4437Time Constant

Naval Electronic Systems Security Engineering Center · NSN 5810-00-126-9649 · FSC 5810 · No Item Name Available
Verified by PartsTable
NSN 5810-00-126-9649 — this item is cataloged by the U.S. Government under National Stock Number 5810-00-126-9649. Primary manufacturer part number: 4437.
Features
  • Time Constant — FSC 5810
  • 1 verified cross-reference
  • Primary manufacturer: Naval Electronic Systems Security Engineering Center
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Time Constant, cataloged under National Stock Number 5810-00-126-9649, is classified within Federal Supply Class 5810 (No Item Name Available) of the Communication, Detection, and Coherent Radiation Equipment group. The primary manufacturer of record is Naval Electronic Systems Security Engineering Center. 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.

Catalog Facts
Item NameTime Constant
FSC / FSG5810 — No Item Name Available (FSG 58)
ManufacturersNaval Electronic Systems Security Engineering Center (CAGE 02227)
Technical Specifications
ParameterValue
NSN5810-00-126-9649
Primary Part Number4437
Item NameTime Constant
FSC / FSG5810 / 58 — No Item Name Available
ManufacturerNaval Electronic Systems Security Engineering Center
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
1620-00-041-04334437 INTERCHANGEABLE
Arm,landing Gear
Goodrich Corporation
5120-00-116-3136 INTERCHANGEABLE
Die,crimping Tool
3110-00-156-1827 INTERCHANGEABLE
Bearing,ball,thrust
5910-00-177-2632SC-D-647368-1 INTERCHANGEABLE
Capacitor Assembly
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
5905-00-235-3145995-3A362J INTERCHANGEABLE
Resistor,fixed,wire Wound
Ohmite Holding, L.l.c. Dba Ohmite Manufacturing
2990-00-430-061844-37 INTERCHANGEABLE
Weight
Dresser Industries Inc Leroi Div
5962-00-430-2600 INTERCHANGEABLE
Microcircuit,digital
8040-00-477-1716 INTERCHANGEABLE
Primer,adhesive
5999-00-481-95105672-11 INTERCHANGEABLE
Clip,electrical
Cooper Bussmann, Llc Dba Cooper Industries
3895-00-496-2108 INTERCHANGEABLE
Sleeve,sliding,clut
Cross-Reference Index
Part NumberManufacturer
4437 Naval Electronic Systems Security Engineering Center (USA)
Related Parts
1620-00-041-0433INTERCHANGEABLE
ARM,LANDING GEAR
4437
5120-00-116-3136INTERCHANGEABLE
DIE,CRIMPING TOOL
3110-00-156-1827INTERCHANGEABLE
BEARING,BALL,THRUST
5910-00-177-2632INTERCHANGEABLE
CAPACITOR ASSEMBLY
SC-D-647368-1
5905-00-235-3145INTERCHANGEABLE
RESISTOR,FIXED,WIRE WOUND
995-3A362J
2990-00-430-0618INTERCHANGEABLE
WEIGHT
44-37
5962-00-430-2600INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
8040-00-477-1716INTERCHANGEABLE
PRIMER,ADHESIVE
5999-00-481-9510INTERCHANGEABLE
CLIP,ELECTRICAL
5672-11
3895-00-496-2108INTERCHANGEABLE
SLEEVE,SLIDING,CLUT
4720-00-846-6558INTERCHANGEABLE
HOSE,NONMETALLIC
SAE-20R3ECLT-A-19XR
5950-00-927-6461INTERCHANGEABLE
REACTOR
4437

Frequently Asked Questions

What is NSN 5810-00-126-9649?

NSN 5810-00-126-9649 is a Time Constant, manufactured by Naval Electronic Systems Security Engineering Center, classified under FSC 5810 (No Item Name Available). Status: active.

What are the part numbers for NSN 5810-00-126-9649?

NSN 5810-00-126-9649 has 1 cross-referenced part number: 4437 (Naval Electronic Systems Security Engineering Center).

What NSN replaces 5810-00-126-9649?

There are 12 known substitutes for 5810-00-126-9649: 1620-00-041-0433, 5120-00-116-3136, 3110-00-156-1827 and 9 more. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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