PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

3249Spring,helical,extension

New Haven Mfg Corp · NSN 5360-00-845-7430 · FSC 5360 · No Item Name Available
Verified by PartsTable
NSN 5360-00-845-7430 — this item is cataloged by the U.S. Government under National Stock Number 5360-00-845-7430. Primary manufacturer part number: 3249.
Features
  • Spring,helical,extension — FSC 5360
  • Style Designator: CYLINDRICAL
  • Spring Free Outside Diameter: 0.062 INCHES NOMINAL IN
  • Hook Radius: 0.0156 INCHES NOMINAL BOTH ENDS IN
  • Inside Diameter: 0.031 INCHES NOMINAL IN
  • Material: STEEL CORROSION RESISTING OVERALL
  • End Style: SHORT TWISTED HOOK BOTH ENDS
  • Spring Free Length: 0.468 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 5360-00-845-7430, is classified within Federal Supply Class 5360 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is New Haven Mfg Corp. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5360-00-845-7430
Primary Part Number3249
Item NameSpring,helical,extension
FSC / FSG5360 / 53 — No Item Name Available
ManufacturerNew Haven Mfg Corp
StatusACTIVE
Style DesignatorCYLINDRICAL
Spring Free Outside Diameter0.062 INCHES NOMINAL IN
Hook Radius0.0156 INCHES NOMINAL BOTH ENDS IN
Inside Diameter0.031 INCHES NOMINAL IN
MaterialSTEEL CORROSION RESISTING OVERALL
End StyleSHORT TWISTED HOOK BOTH ENDS
Spring Free Length0.468 INCHES NOMINAL IN
Design TypeOPEN
Surface TreatmentPASSIVATE OVERALL
Coil Helix DirectionRIGHT-HAND
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
5310-00-274-454610505776 INTERCHANGEABLE
Washer,flat
General Dynamics Land Systems Canadacorp
2940-00-382-8003L21 INTERCHANGEABLE
Line
Honeywell International Inc Dba Honeywell Div Consumer Products Group
2040-00-388-0798 INTERCHANGEABLE
Strut
5355-00-521-6925 INTERCHANGEABLE
Dial,control
5930-00-788-31363249 INTERCHANGEABLE
Switch,rotary
Ballantine Laboratories Inc
5310-00-958-8240R54092 INTERCHANGEABLE
Nut,rotation
Neac Compressor Service Usa Inc
5998-01-210-20792121651-301 INTERCHANGEABLE
Extender Card,electronic Test
Bae Systems Information and Electronic Systems Integration Inc. Div Bae Systems Information & Electronic Systems Integration Inc
5975-01-480-13023249 INTERCHANGEABLE
Adapter,electrical Conduit
Heyco Inc Dba Heyco Products
4730-01-480-3473CC-0009654 INTERCHANGEABLE
Clamp,hose
Independent Rough Terrain Center Llc
5305-01-509-016103249 INTERCHANGEABLE
Screw,cap,hexagon Head
Defense Logistics Agency Dba Defense Supply Center Philadelphia
Cross-Reference Index
Part NumberManufacturer
3249 New Haven Mfg Corp (USA)
03249 New Haven Mfg Corp (USA)
Related Parts
5310-00-274-4546INTERCHANGEABLE
WASHER,FLAT
10505776
2940-00-382-8003INTERCHANGEABLE
LINE
L21
2040-00-388-0798INTERCHANGEABLE
STRUT
5355-00-521-6925INTERCHANGEABLE
DIAL,CONTROL
5930-00-788-3136INTERCHANGEABLE
SWITCH,ROTARY
3249
5310-00-958-8240INTERCHANGEABLE
NUT,ROTATION
R54092
5998-01-210-2079INTERCHANGEABLE
EXTENDER CARD,ELECTRONIC TEST
2121651-301
5975-01-480-1302INTERCHANGEABLE
ADAPTER,ELECTRICAL CONDUIT
3249
4730-01-480-3473INTERCHANGEABLE
CLAMP,HOSE
CC-0009654
5305-01-509-0161INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
03249

Frequently Asked Questions

What is NSN 5360-00-845-7430?

NSN 5360-00-845-7430 is a Spring,helical,extension, manufactured by New Haven Mfg Corp, classified under FSC 5360 (No Item Name Available). Status: active.

What are the part numbers for NSN 5360-00-845-7430?

NSN 5360-00-845-7430 has 2 cross-referenced part numbers: 3249 (New Haven Mfg Corp), 03249 (New Haven Mfg Corp).

What NSN replaces 5360-00-845-7430?

There are 10 known substitutes for 5360-00-845-7430: 5310-00-274-4546, 2940-00-382-8003, 2040-00-388-0798 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 3249?

Key specifications for 3249: Style Designator: CYLINDRICAL; Spring Free Outside Diameter: 0.062 INCHES NOMINAL IN; Hook Radius: 0.0156 INCHES NOMINAL BOTH ENDS IN; Inside Diameter: 0.031 INCHES NOMINAL IN. 10 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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