PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

69-643Spring,helical,extension

Drs Naval Power Systems Inc Dba Drs Power & Control Technologies Inc · NSN 5360-00-499-6038 · FSC 5360 · No Item Name Available
Verified by PartsTable
NSN 5360-00-499-6038 — this item is cataloged by the U.S. Government under National Stock Number 5360-00-499-6038. Primary manufacturer part number: 69-643.
Features
  • Spring,helical,extension — FSC 5360
  • Inside Diameter: 0.323 INCHES NOMINAL IN
  • Design Type: CLOSED
  • Coil Helix Direction: RIGHT-HAND OR LEFT-HAND
  • Material: STEEL CORROSION RESISTING OVERALL
  • Spring Free Outside Diameter: 0.395 INCHES NOMINAL IN
  • Spring Free Length: 1.634 INCHES NOMINAL IN
  • Spring Length Under Load: 1.750 INCHES NOMINAL IN
Applications
  • Mechanical energy storage
  • Vibration dampening
  • Return mechanism operation
  • Applications requiring Steel Corrosion Resisting Overall construction
General Description

The Spring,helical,extension, cataloged under National Stock Number 5360-00-499-6038, is classified within Federal Supply Class 5360 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Drs Naval Power Systems Inc Dba Drs Power & Control Technologies Inc. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 50 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5360-00-499-6038
Primary Part Number69-643
Item NameSpring,helical,extension
FSC / FSG5360 / 53 — No Item Name Available
ManufacturerDrs Naval Power Systems Inc Dba Drs Power & Control Technologies Inc
StatusACTIVE
Inside Diameter0.323 INCHES NOMINAL IN
Design TypeCLOSED
Coil Helix DirectionRIGHT-HAND OR LEFT-HAND
MaterialSTEEL CORROSION RESISTING OVERALL
Spring Free Outside Diameter0.395 INCHES NOMINAL IN
Spring Free Length1.634 INCHES NOMINAL IN
Spring Length Under Load1.750 INCHES NOMINAL IN
Style DesignatorCYLINDRICAL
Coil Quantity30
End StyleMACHINED HALF LOOP BOTH ENDS
Spring Deflection Rate1.730 POUNDS PER INCH NOMINAL LBS
Opening Width0.094 INCHES NOMINAL BOTH ENDS IN
Load Rating1.300 POUNDS NOMINAL LBS
Hook Radius0.125 INCHES NOMINAL BOTH ENDS IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
4330-00-089-624862435 INTERCHANGEABLE
Filter Element,fluid
Arvinmeritor Inc
5331-00-248-38467616 INTERCHANGEABLE
O-Ring
Purolator Facet Inc. Div Parker Aerospace Filtration Division Dba Purolator Facet, in
5999-00-377-572669643 INTERCHANGEABLE
Wrench Kit Uhf Corporate Structu
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple
6685-00-422-1418 INTERCHANGEABLE
Thermometer,indicating,resistanc
5315-01-100-0762 INTERCHANGEABLE
Pin,shoulder,headless
6685-01-105-29696964-31 INTERCHANGEABLE
Indicator,temperature,thermocoup
Cooper Interconnect, Inc. Dba Cooper Interconnect Div Interconnect
Cross-Reference Index
Part NumberManufacturer
82886W1ITEM12 Eaton Corp Opns & Technical Center (USA)
4120ITEM25 Eaton Corp Opns & Technical Center (USA)
76344W1ITEM33 Eaton Corp Opns & Technical Center (USA)
73360W1ITEM14 Eaton Corp Opns & Technical Center (USA)
3684ITEM21 Eaton Corp Opns & Technical Center (USA)
83040W1ITEM25 Eaton Corp Opns & Technical Center (USA)
3548ITEM21 Eaton Corp Opns & Technical Center (USA)
3554ITEM20 Eaton Corp Opns & Technical Center (USA)
76038W1ITEM21 Eaton Corp Opns & Technical Center (USA)
87541W1ITEM7 Eaton Corp Opns & Technical Center (USA)
70463W1ITEM8 Eaton Corp Opns & Technical Center (USA)
76300W1ITEM29 Eaton Corp Opns & Technical Center (USA)
85128W1ITEM29 Eaton Corp Opns & Technical Center (USA)
A70-114ITEM23 Eaton Corp Opns & Technical Center (USA)
4376ITEM13 Eaton Corp Opns & Technical Center (USA)
4862ITEM3H Eaton Corp Opns & Technical Center (USA)
969-391 Eaton Corp Opns & Technical Center (USA)
4732ITEM20 Eaton Corp Opns & Technical Center (USA)
3801ALT1ITEM24 Eaton Corp Opns & Technical Center (USA)
81169W1ITEM32 Eaton Corp Opns & Technical Center (USA)
Related Parts
4330-00-089-6248INTERCHANGEABLE
FILTER ELEMENT,FLUID
62435
5331-00-248-3846INTERCHANGEABLE
O-RING
7616
5999-00-377-5726INTERCHANGEABLE
WRENCH KIT UHF CORPORATE STRUCTU
69643
6685-00-422-1418INTERCHANGEABLE
THERMOMETER,INDICATING,RESISTANC
5315-01-100-0762INTERCHANGEABLE
PIN,SHOULDER,HEADLESS
6685-01-105-2969INTERCHANGEABLE
INDICATOR,TEMPERATURE,THERMOCOUP
6964-31

Frequently Asked Questions

What is NSN 5360-00-499-6038?

NSN 5360-00-499-6038 is a Spring,helical,extension, manufactured by Drs Naval Power Systems Inc Dba Drs Power & Control Technologies Inc, classified under FSC 5360 (No Item Name Available). Status: active.

What are the part numbers for NSN 5360-00-499-6038?

NSN 5360-00-499-6038 has 50 cross-referenced part numbers: 82886W1ITEM12 (Eaton Corp Opns & Technical Center), 4120ITEM25 (Eaton Corp Opns & Technical Center), 76344W1ITEM33 (Eaton Corp Opns & Technical Center), 73360W1ITEM14 (Eaton Corp Opns & Technical Center), 3684ITEM21 (Eaton Corp Opns & Technical Center) and 45 more.

What NSN replaces 5360-00-499-6038?

There are 6 known substitutes for 5360-00-499-6038: 4330-00-089-6248, 5331-00-248-3846, 5999-00-377-5726 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 69-643?

Key specifications for 69-643: Inside Diameter: 0.323 INCHES NOMINAL IN; Design Type: CLOSED; Coil Helix Direction: RIGHT-HAND OR LEFT-HAND; Material: STEEL CORROSION RESISTING OVERALL. 14 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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