PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

03214Spring,helical,extension

New Haven Mfg Corp · NSN 5360-00-851-8681 · FSC 5360 · No Item Name Available
Verified by PartsTable
NSN 5360-00-851-8681 — this item is cataloged by the U.S. Government under National Stock Number 5360-00-851-8681. Primary manufacturer part number: 03214.
Features
  • Spring,helical,extension — FSC 5360
  • Inside Diameter: 0.1250 INCHES NOMINAL IN
  • Coil Helix Direction: RIGHT-HAND
  • Spring Free Outside Diameter: 0.1562 INCHES NOMINAL IN
  • Hook Radius: 0.0625 INCHES NOMINAL BOTH ENDS IN
  • Design Type: OPEN
  • End Style: RAISED HOOK BOTH ENDS
  • Opening Width: 0.125 INCHES NOMINAL BOTH ENDS 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 5360-00-851-8681, 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 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references 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
NSN5360-00-851-8681
Primary Part Number03214
Item NameSpring,helical,extension
FSC / FSG5360 / 53 — No Item Name Available
ManufacturerNew Haven Mfg Corp
StatusACTIVE
Inside Diameter0.1250 INCHES NOMINAL IN
Coil Helix DirectionRIGHT-HAND
Spring Free Outside Diameter0.1562 INCHES NOMINAL IN
Hook Radius0.0625 INCHES NOMINAL BOTH ENDS IN
Design TypeOPEN
End StyleRAISED HOOK BOTH ENDS
Opening Width0.125 INCHES NOMINAL BOTH ENDS IN
MaterialSTEEL CORROSION RESISTING OVERALL
Spring Free Length1.750 INCHES NOMINAL IN
Surface TreatmentPASSIVATE OVERALL
Style DesignatorCYLINDRICAL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
4730-00-203-9459 INTERCHANGEABLE
Coupling Half,quick Disconnect
1630-00-386-85383214 INTERCHANGEABLE
Arm Assembly,tail W
Avox Systems Inc Dba Avox Systems Inc
5950-00-488-99023214 INTERCHANGEABLE
Reactor
General Microwave Corporation Div Kratos Microwave Electronics
5935-00-518-9772032-0014-0001 INTERCHANGEABLE
Connector,plug,electrical
Te Connectivity Corporation Dba Microdot Products
3110-00-554-3245 INTERCHANGEABLE
Bearing,ball,annular
5331-00-663-5254032214 INTERCHANGEABLE
O-Ring
Zf Active Safety and Electronics Us Llc Div Trw Commercial Steering Systems
5330-00-813-35183214 INTERCHANGEABLE
Seal,plain Encased
Itt Jabsco Products
6930-01-042-59393214 INTERCHANGEABLE
Indicator Subassemb
Lilbern Design of Virginia Llc
5310-01-149-7684 INTERCHANGEABLE
Washer
6520-01-153-62201356483EZ INTERCHANGEABLE
Gingival Retraction
Henry Schein, Inc.
Cross-Reference Index
Part NumberManufacturer
03214 New Haven Mfg Corp (USA)
032214 New Haven Mfg Corp (USA)
3214 New Haven Mfg Corp (USA)
Related Parts
4730-00-203-9459INTERCHANGEABLE
COUPLING HALF,QUICK DISCONNECT
1630-00-386-8538INTERCHANGEABLE
ARM ASSEMBLY,TAIL W
3214
5950-00-488-9902INTERCHANGEABLE
REACTOR
3214
5935-00-518-9772INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
032-0014-0001
3110-00-554-3245INTERCHANGEABLE
BEARING,BALL,ANNULAR
5331-00-663-5254INTERCHANGEABLE
O-RING
032214
5330-00-813-3518INTERCHANGEABLE
SEAL,PLAIN ENCASED
3214
6930-01-042-5939INTERCHANGEABLE
INDICATOR SUBASSEMB
3214
5310-01-149-7684INTERCHANGEABLE
WASHER
6520-01-153-6220INTERCHANGEABLE
GINGIVAL RETRACTION
1356483EZ
4820-01-183-1588INTERCHANGEABLE
STEM,FLUID VALVE
5961-01-256-4176INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE

Frequently Asked Questions

What is NSN 5360-00-851-8681?

NSN 5360-00-851-8681 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 5360-00-851-8681?

NSN 5360-00-851-8681 has 3 cross-referenced part numbers: 03214 (New Haven Mfg Corp), 032214 (New Haven Mfg Corp), 3214 (New Haven Mfg Corp).

What NSN replaces 5360-00-851-8681?

There are 12 known substitutes for 5360-00-851-8681: 4730-00-203-9459, 1630-00-386-8538, 5950-00-488-9902 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 03214?

Key specifications for 03214: Inside Diameter: 0.1250 INCHES NOMINAL IN; Coil Helix Direction: RIGHT-HAND; Spring Free Outside Diameter: 0.1562 INCHES NOMINAL IN; Hook Radius: 0.0625 INCHES NOMINAL BOTH ENDS IN. 11 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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