PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

A1690Spring,helical,compression

Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic · NSN 5360-00-209-8661 · FSC 5360 · No Item Name Available
Verified by PartsTable
NSN 5360-00-209-8661 — this item is cataloged by the U.S. Government under National Stock Number 5360-00-209-8661. Primary manufacturer part number: A1690.
Features
  • Spring,helical,compression — FSC 5360
  • Accommodated Rod Diameter: 0.281 INCHES NOMINAL IN
  • Spring Solid Length: 1.688 INCHES NOMINAL IN
  • Coil Helix Direction: RIGHT-HAND OR LEFT-HAND
  • Style Designator: CYLINDRICAL
  • Bore Diameter: 0.531 INCHES MINIMUM IN
  • Inside Diameter: 0.313 INCHES NOMINAL IN
  • Spring Free Length: 3.000 INCHES MAXIMUM IN
Applications
  • Mechanical energy storage
  • Vibration dampening
  • Return mechanism operation
  • Applications requiring Steel Overall construction
General Description

The Spring,helical,compression, cataloged under National Stock Number 5360-00-209-8661, is classified within Federal Supply Class 5360 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5360-00-209-8661
Primary Part NumberA1690
Item NameSpring,helical,compression
FSC / FSG5360 / 53 — No Item Name Available
ManufacturerTwin Disc, Incorporated Dba Twin Disc Mid-Atlantic
StatusACTIVE
Accommodated Rod Diameter0.281 INCHES NOMINAL IN
Spring Solid Length1.688 INCHES NOMINAL IN
Coil Helix DirectionRIGHT-HAND OR LEFT-HAND
Style DesignatorCYLINDRICAL
Bore Diameter0.531 INCHES MINIMUM IN
Inside Diameter0.313 INCHES NOMINAL IN
Spring Free Length3.000 INCHES MAXIMUM IN
MaterialSTEEL OVERALL
End StyleSPRING END,SQUARED AND GROUND BOTH ENDS
Coil Quantity18-1/4
Spring Free Outside Diameter0.500 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
4720-00-422-6697A1690 INTERCHANGEABLE
Hose
Mitsubishi Caterpillar Forklift America, Inc
2530-00-753-9156A1690 INTERCHANGEABLE
Hub X Drum Asy Whee
Am General Llc
8455-01-528-9517 INTERCHANGEABLE
Insignia,shoulder Sleeve
8455-01-664-3026 INTERCHANGEABLE
Insignia,shoulder Sleeve
Cross-Reference Index
Part NumberManufacturer
301SK192 Vme Americas Inc Sub of Vme Group N V (USA)
A1690 PRIMARY Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic (USA)
Related Parts
4720-00-422-6697INTERCHANGEABLE
HOSE
A1690
2530-00-753-9156INTERCHANGEABLE
HUB X DRUM ASY WHEE
A1690
8455-01-528-9517INTERCHANGEABLE
INSIGNIA,SHOULDER SLEEVE
8455-01-664-3026INTERCHANGEABLE
INSIGNIA,SHOULDER SLEEVE

Frequently Asked Questions

What is NSN 5360-00-209-8661?

NSN 5360-00-209-8661 is a Spring,helical,compression, manufactured by Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic, classified under FSC 5360 (No Item Name Available). Status: active.

What are the part numbers for NSN 5360-00-209-8661?

NSN 5360-00-209-8661 has 2 cross-referenced part numbers: 301SK192 (Vme Americas Inc Sub of Vme Group N V), A1690 (Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic).

What NSN replaces 5360-00-209-8661?

There are 4 known substitutes for 5360-00-209-8661: 4720-00-422-6697, 2530-00-753-9156, 8455-01-528-9517 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of A1690?

Key specifications for A1690: Accommodated Rod Diameter: 0.281 INCHES NOMINAL IN; Spring Solid Length: 1.688 INCHES NOMINAL IN; Coil Helix Direction: RIGHT-HAND OR LEFT-HAND; Style Designator: CYLINDRICAL. 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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