PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

73318Spring,helical,compression

Ross Operating Valve Co · NSN 5360-00-738-0337 · FSC 5360 · No Item Name Available
Verified by PartsTable
NSN 5360-00-738-0337 — this item is cataloged by the U.S. Government under National Stock Number 5360-00-738-0337. Primary manufacturer part number: 73318.
Features
  • Spring,helical,compression — FSC 5360
  • Spring Solid Length: 0.312 INCHES NOMINAL IN
  • Spring Solid Outside Diameter: 0.844 INCHES NOMINAL IN
  • Coil Quantity: 5
  • Coil Helix Direction: LEFT-HAND
  • Spring Free Length: 1.188 INCHES NOMINAL IN
  • Inside Diameter: 0.750 INCHES NOMINAL IN
  • Style Designator: CYLINDRICAL
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 5360-00-738-0337, is classified within Federal Supply Class 5360 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Ross Operating Valve Co. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5360-00-738-0337
Primary Part Number73318
Item NameSpring,helical,compression
FSC / FSG5360 / 53 — No Item Name Available
ManufacturerRoss Operating Valve Co
StatusACTIVE
Spring Solid Length0.312 INCHES NOMINAL IN
Spring Solid Outside Diameter0.844 INCHES NOMINAL IN
Coil Quantity5
Coil Helix DirectionLEFT-HAND
Spring Free Length1.188 INCHES NOMINAL IN
Inside Diameter0.750 INCHES NOMINAL IN
Style DesignatorCYLINDRICAL
Spring Free Outside Diameter0.844 INCHES NOMINAL IN
End StyleSPRING END,SQUARED AND GROUND BOTH ENDS
MaterialSTEEL OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5865-01-147-736773318 INTERCHANGEABLE
Power Supply Module
Quarterwave Corp.
4720-01-276-132273318 INTERCHANGEABLE
Tubing Assembly,nonmetallic
Datex-Ohmeda, Inc. Dba Ge Healthcare
6605-01-360-384773-318 INTERCHANGEABLE
Compass,magnetic,mounted
Weems & Plath, Llc
1730-01-656-792873318 INTERCHANGEABLE
Adapter,aircraft Jacking Point
Malabar
5340-01-658-699773318 INTERCHANGEABLE
Cover,access
Waterous Company
Cross-Reference Index
Part NumberManufacturer
73318 PRIMARY Ross Operating Valve Co (USA)
Related Parts
5865-01-147-7367INTERCHANGEABLE
POWER SUPPLY MODULE
73318
4720-01-276-1322INTERCHANGEABLE
TUBING ASSEMBLY,NONMETALLIC
73318
6605-01-360-3847INTERCHANGEABLE
COMPASS,MAGNETIC,MOUNTED
73-318
1730-01-656-7928INTERCHANGEABLE
ADAPTER,AIRCRAFT JACKING POINT
73318
5340-01-658-6997INTERCHANGEABLE
COVER,ACCESS
73318

Frequently Asked Questions

What is NSN 5360-00-738-0337?

NSN 5360-00-738-0337 is a Spring,helical,compression, manufactured by Ross Operating Valve Co, classified under FSC 5360 (No Item Name Available). Status: active.

What are the part numbers for NSN 5360-00-738-0337?

NSN 5360-00-738-0337 has 1 cross-referenced part number: 73318 (Ross Operating Valve Co).

What NSN replaces 5360-00-738-0337?

There are 5 known substitutes for 5360-00-738-0337: 5865-01-147-7367, 4720-01-276-1322, 6605-01-360-3847 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 73318?

Key specifications for 73318: Spring Solid Length: 0.312 INCHES NOMINAL IN; Spring Solid Outside Diameter: 0.844 INCHES NOMINAL IN; Coil Quantity: 5; Coil Helix Direction: LEFT-HAND. 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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