PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

20904Spring,helical,compression

Grove Valve Operations · NSN 5360-00-291-4280 · FSC 5360 · No Item Name Available
Verified by PartsTable
NSN 5360-00-291-4280 — this item is cataloged by the U.S. Government under National Stock Number 5360-00-291-4280. Primary manufacturer part number: 20904.
Features
  • Spring,helical,compression — FSC 5360
  • Material Document and Classification: AQ-W-465,CLASS B FED SPEC SINGLE MATERIAL RESPONSE OVERALL
  • Surface Treatment: ZINC OVERALL
  • Spring Free Outside Diameter: 3.141 INCHES NOMINAL IN
  • Spring Free Length: 0.516 INCHES NOMINAL IN
  • End Style: SPRING END,SQUARED BOTH ENDS
  • Coil Helix Direction: RIGHT-HAND
  • Material: STEEL OVERALL
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 5360-00-291-4280, is classified within Federal Supply Class 5360 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Grove Valve Operations. 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5360-00-291-4280
Primary Part Number20904
Item NameSpring,helical,compression
FSC / FSG5360 / 53 — No Item Name Available
ManufacturerGrove Valve Operations
StatusACTIVE
Material Document and ClassificationAQ-W-465,CLASS B FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Surface TreatmentZINC OVERALL
Spring Free Outside Diameter3.141 INCHES NOMINAL IN
Spring Free Length0.516 INCHES NOMINAL IN
End StyleSPRING END,SQUARED BOTH ENDS
Coil Helix DirectionRIGHT-HAND
MaterialSTEEL OVERALL
Style DesignatorTAPERED
Coil Quantity4
Inside Diameter0.500 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5975-00-065-39045523 INTERCHANGEABLE
Box Connector,electrical
Abb Installation Products Inc
4720-00-175-6280 INTERCHANGEABLE
Hose,preformed
5342-00-200-7586 INTERCHANGEABLE
Mount,resilient,weapon System
5340-00-324-64758104990 INTERCHANGEABLE
Clamp,loop
Us Army Aviation and Missile Command
4310-01-064-238620-904 INTERCHANGEABLE
Compressor Unit,reciprocating
C&h Distributors, Llc
5355-01-074-604311579032 INTERCHANGEABLE
Knob
Army, United States Department of the Dba Watervliet Arsenal Div Business Development
3020-01-189-335220904 INTERCHANGEABLE
Gear Rack
Moog Inc. Dba Ampac-Isp Corp
4720-01-226-765920904 INTERCHANGEABLE
Hose,preformed
Gates Corporation
5360-01-275-1828 INTERCHANGEABLE
Spring,helical,compression
3020-01-357-995020-904 INTERCHANGEABLE
Pulley,groove
Kut Kwick Corp
Cross-Reference Index
Part NumberManufacturer
20904 PRIMARY Grove Valve Operations (USA)
Related Parts
5975-00-065-3904INTERCHANGEABLE
BOX CONNECTOR,ELECTRICAL
5523
4720-00-175-6280INTERCHANGEABLE
HOSE,PREFORMED
5342-00-200-7586INTERCHANGEABLE
MOUNT,RESILIENT,WEAPON SYSTEM
5340-00-324-6475INTERCHANGEABLE
CLAMP,LOOP
8104990
4310-01-064-2386INTERCHANGEABLE
COMPRESSOR UNIT,RECIPROCATING
20-904
5355-01-074-6043INTERCHANGEABLE
KNOB
11579032
3020-01-189-3352INTERCHANGEABLE
GEAR RACK
20904
4720-01-226-7659INTERCHANGEABLE
HOSE,PREFORMED
20904
5360-01-275-1828INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
3020-01-357-9950INTERCHANGEABLE
PULLEY,GROOVE
20-904
3120-01-391-3559INTERCHANGEABLE
BEARING,WASHER,THRUST
20904
5965-01-481-1834INTERCHANGEABLE
LOUDSPEAKER,ELECTROMAGNETIC

Frequently Asked Questions

What is NSN 5360-00-291-4280?

NSN 5360-00-291-4280 is a Spring,helical,compression, manufactured by Grove Valve Operations, classified under FSC 5360 (No Item Name Available). Status: active.

What are the part numbers for NSN 5360-00-291-4280?

NSN 5360-00-291-4280 has 1 cross-referenced part number: 20904 (Grove Valve Operations).

What NSN replaces 5360-00-291-4280?

There are 12 known substitutes for 5360-00-291-4280: 5975-00-065-3904, 4720-00-175-6280, 5342-00-200-7586 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 20904?

Key specifications for 20904: Material Document and Classification: AQ-W-465,CLASS B FED SPEC SINGLE MATERIAL RESPONSE OVERALL; Surface Treatment: ZINC OVERALL; Spring Free Outside Diameter: 3.141 INCHES NOMINAL IN; Spring Free Length: 0.516 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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