PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

51791Spring,helical,compression

Parker Hannifin Corporation Div Hydraulic Systems Division · NSN 5360-00-083-6250 · FSC 5360 · No Item Name Available
Verified by PartsTable
NSN 5360-00-083-6250 — this item is cataloged by the U.S. Government under National Stock Number 5360-00-083-6250. Primary manufacturer part number: 51791.
Features
  • Spring,helical,compression — FSC 5360
  • Style Designator: CYLINDRICAL
  • Spring Deflection Rate: 41.600 POUNDS PER INCH NOMINAL LBS
  • Inside Diameter: 0.273 INCHES MINIMUM AND 0.283 INCHES MAXIMUM IN
  • Spring Solid Length: 0.930 INCHES NOMINAL IN
  • Spring Free Length: 1.750 INCHES NOMINAL IN
  • Coil Helix Direction: RIGHT-HAND
  • Material Document and Classification: QQ-W-412,COMP 1,TYPE 2 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Applications
  • Mechanical energy storage
  • Vibration dampening
  • Return mechanism operation
  • Applications requiring Steel Uns K15590 Overall construction
General Description

The Spring,helical,compression, cataloged under National Stock Number 5360-00-083-6250, is classified within Federal Supply Class 5360 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Parker Hannifin Corporation Div Hydraulic Systems Division. Government technical data includes 13 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
NSN5360-00-083-6250
Primary Part Number51791
Item NameSpring,helical,compression
FSC / FSG5360 / 53 — No Item Name Available
ManufacturerParker Hannifin Corporation Div Hydraulic Systems Division
StatusACTIVE
Style DesignatorCYLINDRICAL
Spring Deflection Rate41.600 POUNDS PER INCH NOMINAL LBS
Inside Diameter0.273 INCHES MINIMUM AND 0.283 INCHES MAXIMUM IN
Spring Solid Length0.930 INCHES NOMINAL IN
Spring Free Length1.750 INCHES NOMINAL IN
Coil Helix DirectionRIGHT-HAND
Material Document and ClassificationQQ-W-412,COMP 1,TYPE 2 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MaterialSTEEL UNS K15590 OVERALL
Coil Quantity15
End StyleSPRING END,SQUARED AND GROUND BOTH ENDS
Bore Diameter0.415 INCHES NOMINAL IN
Spring Free Outside Diameter0.397 INCHES MINIMUM AND 0.407 INCHES MAXIMUM IN
Spring Solid Outside Diameter0.397 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
2940-00-029-0388485GB3191B INTERCHANGEABLE
Filter Element,fluid
Mack Trucks, Inc. Dba Macungie Operations Div Lehigh Valley Operations
1680-01-101-70855179-1 INTERCHANGEABLE
Shroud
Lockheed Martin Corp
6550-01-652-511051791 INTERCHANGEABLE
Reagent for Drinkin
Thermo Fisher Scientific Anatomical Pathology
5310-01-696-800751-791 INTERCHANGEABLE
Washer,flat
Thermo King Corporation Dba Phoenix Global Distirbution.
Cross-Reference Index
Part NumberManufacturer
51791 Zf Industrieantriebe Witten Gmbh (DEU)
51791 PRIMARY Parker Hannifin Corporation Div Hydraulic Systems Division (USA)
Related Parts
2940-00-029-0388INTERCHANGEABLE
FILTER ELEMENT,FLUID
485GB3191B
1680-01-101-7085INTERCHANGEABLE
SHROUD
5179-1
6550-01-652-5110INTERCHANGEABLE
REAGENT FOR DRINKIN
51791
5310-01-696-8007INTERCHANGEABLE
WASHER,FLAT
51-791

Frequently Asked Questions

What is NSN 5360-00-083-6250?

NSN 5360-00-083-6250 is a Spring,helical,compression, manufactured by Parker Hannifin Corporation Div Hydraulic Systems Division, classified under FSC 5360 (No Item Name Available). Status: active.

What are the part numbers for NSN 5360-00-083-6250?

NSN 5360-00-083-6250 has 2 cross-referenced part numbers: 51791 (Zf Industrieantriebe Witten Gmbh), 51791 (Parker Hannifin Corporation Div Hydraulic Systems Division).

What NSN replaces 5360-00-083-6250?

There are 4 known substitutes for 5360-00-083-6250: 2940-00-029-0388, 1680-01-101-7085, 6550-01-652-5110 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 51791?

Key specifications for 51791: Style Designator: CYLINDRICAL; Spring Deflection Rate: 41.600 POUNDS PER INCH NOMINAL LBS; Inside Diameter: 0.273 INCHES MINIMUM AND 0.283 INCHES MAXIMUM IN; Spring Solid Length: 0.930 INCHES NOMINAL IN. 13 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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