PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

NC344Spring,helical,compression

Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer · NSN 5360-00-291-5134 · FSC 5360 · No Item Name Available
Verified by PartsTable
NSN 5360-00-291-5134 — this item is cataloged by the U.S. Government under National Stock Number 5360-00-291-5134. Primary manufacturer part number: NC344.
Features
  • Spring,helical,compression — FSC 5360
  • Inside Diameter: 1.313 INCHES NOMINAL IN
  • Spring Free Outside Diameter: 1.652 INCHES NOMINAL IN
  • End Style: SPRING END,GROUND BOTH ENDS
  • Material: STEEL COMP 304 OVERALL
  • Style Designator: CYLINDRICAL
  • Spring Free Length: 6.250 INCHES NOMINAL IN
  • Coil Quantity: 13
Applications
  • Mechanical energy storage
  • Vibration dampening
  • Return mechanism operation
  • Applications requiring Steel Comp 304 Overall construction
General Description

The Spring,helical,compression, cataloged under National Stock Number 5360-00-291-5134, is classified within Federal Supply Class 5360 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer. Government technical data includes 9 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. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5360-00-291-5134
Primary Part NumberNC344
Item NameSpring,helical,compression
FSC / FSG5360 / 53 — No Item Name Available
ManufacturerDover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer
StatusACTIVE
Inside Diameter1.313 INCHES NOMINAL IN
Spring Free Outside Diameter1.652 INCHES NOMINAL IN
End StyleSPRING END,GROUND BOTH ENDS
MaterialSTEEL COMP 304 OVERALL
Style DesignatorCYLINDRICAL
Spring Free Length6.250 INCHES NOMINAL IN
Coil Quantity13
Material Document and ClassificationMIL-S-853,CLASS 1 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
Coil Helix DirectionRIGHT-HAND
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
2520-00-414-5571D504 INTERCHANGEABLE
Disk,clutch,vehicular
Perfection Clutch
Cross-Reference Index
Part NumberManufacturer
NC344 PRIMARY Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer (USA)
Related Parts
2520-00-414-5571INTERCHANGEABLE
DISK,CLUTCH,VEHICULAR
D504

Frequently Asked Questions

What is NSN 5360-00-291-5134?

NSN 5360-00-291-5134 is a Spring,helical,compression, manufactured by Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer, classified under FSC 5360 (No Item Name Available). Status: active.

What are the part numbers for NSN 5360-00-291-5134?

NSN 5360-00-291-5134 has 1 cross-referenced part number: NC344 (Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer).

What NSN replaces 5360-00-291-5134?

There is 1 known substitute for 5360-00-291-5134: 2520-00-414-5571. Verify interchangeability with system specifications before substitution.

What are the specifications of NC344?

Key specifications for NC344: Inside Diameter: 1.313 INCHES NOMINAL IN; Spring Free Outside Diameter: 1.652 INCHES NOMINAL IN; End Style: SPRING END,GROUND BOTH ENDS; Material: STEEL COMP 304 OVERALL. 9 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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