PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

550-20Shock Absorber,direct Action

General Motors Corp · NSN 2510-00-930-7247 · FSC 2510 · No Item Name Available
Verified by PartsTable
NSN 2510-00-930-7247 — this item is cataloged by the U.S. Government under National Stock Number 2510-00-930-7247. Primary manufacturer part number: 550-20.
Features
  • Shock Absorber,direct Action — FSC 2510
  • Operation Method: HYDRAULIC
  • Cylinder End Nominal Outside Diameter: 1.688 INCHES IN
  • Nominal Compressed Length: 12.875 INCHES IN
  • Piston End Nominal Thickness: 1.563 INCHES IN
  • Piston End Nominal Inside Diameter: 0.688 INCHES IN
  • Piston End Nominal Outside Diameter: 1.688 INCHES IN
  • Cylinder End Nominal Thickness: 1.563 INCHES IN
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Shock Absorber,direct Action, cataloged under National Stock Number 2510-00-930-7247, is classified within Federal Supply Class 2510 (No Item Name Available) of the Vehicular Equipment Components group. The primary manufacturer of record is General Motors Corp. 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. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN2510-00-930-7247
Primary Part Number550-20
Item NameShock Absorber,direct Action
FSC / FSG2510 / 25 — No Item Name Available
ManufacturerGeneral Motors Corp
StatusACTIVE
Operation MethodHYDRAULIC
Cylinder End Nominal Outside Diameter1.688 INCHES IN
Nominal Compressed Length12.875 INCHES IN
Piston End Nominal Thickness1.563 INCHES IN
Piston End Nominal Inside Diameter0.688 INCHES IN
Piston End Nominal Outside Diameter1.688 INCHES IN
Cylinder End Nominal Thickness1.563 INCHES IN
Cylinder End Nominal Inside Diameter0.688 INCHES IN
Piston End Connection StyleBEARING
Nominal Extended Length20.750 INCHES IN
Cylinder End Connection StyleBEARING
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
5340-00-600-2913SM-B-187033 INTERCHANGEABLE
Bracket,angle
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
5950-00-648-238155020 INTERCHANGEABLE
Transformer,radio Frequency
General Dynamics Mission Systems, Inc.
5133-00-838-5300 INTERCHANGEABLE
Drill,twist
5930-01-134-3554308E9 INTERCHANGEABLE
Switch,toggle
Crane Carrier Company, Llc
4210-01-244-856055020 INTERCHANGEABLE
Bracket,fire Extinguisher
Tyco Fire Products Lp
6240-01-426-219055020 INTERCHANGEABLE
Lamp,incandescent
Weidmueller Terminations Inc
6240-01-473-0784U3003219-01 INTERCHANGEABLE
Lamp,incandescent
New Bedford Panoramex Corp. Dba New Bedford Panoramex Corp
Cross-Reference Index
Part NumberManufacturer
550-20 PRIMARY General Motors Corp (USA)
1881895 Chrysler Realty Company Llc Dba Daimler Chrysler (USA)
Related Parts
5340-00-600-2913INTERCHANGEABLE
BRACKET,ANGLE
SM-B-187033
5950-00-648-2381INTERCHANGEABLE
TRANSFORMER,RADIO FREQUENCY
55020
5133-00-838-5300INTERCHANGEABLE
DRILL,TWIST
5930-01-134-3554INTERCHANGEABLE
SWITCH,TOGGLE
308E9
4210-01-244-8560INTERCHANGEABLE
BRACKET,FIRE EXTINGUISHER
55020
6240-01-426-2190INTERCHANGEABLE
LAMP,INCANDESCENT
55020
6240-01-473-0784INTERCHANGEABLE
LAMP,INCANDESCENT
U3003219-01

Frequently Asked Questions

What is NSN 2510-00-930-7247?

NSN 2510-00-930-7247 is a Shock Absorber,direct Action, manufactured by General Motors Corp, classified under FSC 2510 (No Item Name Available). Status: active.

What are the part numbers for NSN 2510-00-930-7247?

NSN 2510-00-930-7247 has 2 cross-referenced part numbers: 550-20 (General Motors Corp), 1881895 (Chrysler Realty Company Llc Dba Daimler Chrysler).

What NSN replaces 2510-00-930-7247?

There are 7 known substitutes for 2510-00-930-7247: 5340-00-600-2913, 5950-00-648-2381, 5133-00-838-5300 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 550-20?

Key specifications for 550-20: Operation Method: HYDRAULIC; Cylinder End Nominal Outside Diameter: 1.688 INCHES IN; Nominal Compressed Length: 12.875 INCHES IN; Piston End Nominal Thickness: 1.563 INCHES IN. 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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