PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

3870Spring,helical,extension

Alnitak Corporation · NSN 5360-00-526-3859 · FSC 5360 · No Item Name Available
Verified by PartsTable
NSN 5360-00-526-3859 — this item is cataloged by the U.S. Government under National Stock Number 5360-00-526-3859. Primary manufacturer part number: 3870.
Features
  • Spring,helical,extension — FSC 5360
  • Inside Diameter: 0.122 INCHES NOMINAL IN
  • Style Designator: CYLINDRICAL
  • Design Type: CLOSED
  • Spring Free Outside Diameter: 0.150 INCHES NOMINAL IN
  • Spring Free Length: 0.685 INCHES NOMINAL IN
  • End Style: SHORT TWISTED HOOK BOTH ENDS
  • Coil Helix Direction: RIGHT-HAND
Applications
  • Mechanical energy storage
  • Vibration dampening
  • Return mechanism operation
  • Applications requiring Steel Overall construction
General Description

The Spring,helical,extension, cataloged under National Stock Number 5360-00-526-3859, is classified within Federal Supply Class 5360 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Alnitak Corporation. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5360-00-526-3859
Primary Part Number3870
Item NameSpring,helical,extension
FSC / FSG5360 / 53 — No Item Name Available
ManufacturerAlnitak Corporation
StatusCANCELLED
Inside Diameter0.122 INCHES NOMINAL IN
Style DesignatorCYLINDRICAL
Design TypeCLOSED
Spring Free Outside Diameter0.150 INCHES NOMINAL IN
Spring Free Length0.685 INCHES NOMINAL IN
End StyleSHORT TWISTED HOOK BOTH ENDS
Coil Helix DirectionRIGHT-HAND
Coil Quantity28
MaterialSTEEL OVERALL
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 11
9390-00-165-5988 INTERCHANGEABLE
Tape,reflective
5935-00-167-7720 INTERCHANGEABLE
Connector,receptacle,electrical
5975-00-353-22283870 INTERCHANGEABLE
Bushing,electrical Conduit
Abb Installation Products Inc
2510-00-618-523414W3240 INTERCHANGEABLE
Board Asy
Volvo Trucks North America, Inc. Dba (foreign Parent Is Volvo Lastvagnar Ab, Goteborg, Sweden.)
5950-00-646-1331 INTERCHANGEABLE
Coil,electrical
5985-00-974-63243870 INTERCHANGEABLE
Tuner,transmission Line
U S Dept of Transportation Federal Aviation Administration
6730-01-122-9467 INTERCHANGEABLE
Projector,overhead
5305-01-224-69553870 INTERCHANGEABLE
Screw,gear
Kearflex Engineering Company
6625-01-533-5175 INTERCHANGEABLE
Test Set,insulation Breakdown
4920-01-539-38253870 INTERCHANGEABLE
Fuse,aircraft,mater
Ccrco, Llc Dba C C R C O
Cross-Reference Index
Part NumberManufacturer
3870 PRIMARY Alnitak Corporation (USA)
3870 Zf Industrieantriebe Witten Gmbh (DEU)
3870 At and T Corp (USA)
3870 Telemechanics Inc (USA)
Related Parts
9390-00-165-5988INTERCHANGEABLE
TAPE,REFLECTIVE
5935-00-167-7720INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
5975-00-353-2228INTERCHANGEABLE
BUSHING,ELECTRICAL CONDUIT
3870
2510-00-618-5234INTERCHANGEABLE
BOARD ASY
14W3240
5950-00-646-1331INTERCHANGEABLE
COIL,ELECTRICAL
5985-00-974-6324INTERCHANGEABLE
TUNER,TRANSMISSION LINE
3870
6730-01-122-9467INTERCHANGEABLE
PROJECTOR,OVERHEAD
5305-01-224-6955INTERCHANGEABLE
SCREW,GEAR
3870
6625-01-533-5175INTERCHANGEABLE
TEST SET,INSULATION BREAKDOWN
4920-01-539-3825INTERCHANGEABLE
FUSE,AIRCRAFT,MATER
3870
5305-01-701-4203INTERCHANGEABLE
SCREW,MACHINE
3870

Frequently Asked Questions

What is NSN 5360-00-526-3859?

NSN 5360-00-526-3859 is a Spring,helical,extension, manufactured by Alnitak Corporation, classified under FSC 5360 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5360-00-526-3859?

NSN 5360-00-526-3859 has 4 cross-referenced part numbers: 3870 (Alnitak Corporation), 3870 (Zf Industrieantriebe Witten Gmbh), 3870 (At and T Corp), 3870 (Telemechanics Inc).

What NSN replaces 5360-00-526-3859?

There are 11 known substitutes for 5360-00-526-3859: 9390-00-165-5988, 5935-00-167-7720, 5975-00-353-2228 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 3870?

Key specifications for 3870: Inside Diameter: 0.122 INCHES NOMINAL IN; Style Designator: CYLINDRICAL; Design Type: CLOSED; Spring Free Outside Diameter: 0.150 INCHES NOMINAL IN. 9 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5360-00-526-3859 still in active supply?

NSN 5360-00-526-3859 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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