PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

81539Shock Absorber,direct Action

Maremont Corp Gabriel Div · NSN 2510-01-321-3665 · FSC 2510 · No Item Name Available
Verified by PartsTable
NSN 2510-01-321-3665 — this item is cataloged by the U.S. Government under National Stock Number 2510-01-321-3665. Primary manufacturer part number: 81539.
Features
  • Shock Absorber,direct Action — FSC 2510
  • Piston End Nominal Inside Diameter: 0.625 INCHES IN
  • Piston End Nominal Overall Length: 1.440 INCHES IN
  • Nominal Compressed Length: 13.750 INCHES IN
  • Operation Method: GAS
  • Cylinder End Nominal Inside Diameter: 10.0 MILLIMETERS MM
  • Cylinder End Connection Style: BUSHING AND SLEEVE
  • Protective Shield Type: DUST
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 2510-01-321-3665, is classified within Federal Supply Class 2510 (No Item Name Available) of the Vehicular Equipment Components group. The primary manufacturer of record is Maremont Corp Gabriel Div. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN2510-01-321-3665
Primary Part Number81539
Item NameShock Absorber,direct Action
FSC / FSG2510 / 25 — No Item Name Available
ManufacturerMaremont Corp Gabriel Div
StatusACTIVE
Piston End Nominal Inside Diameter0.625 INCHES IN
Piston End Nominal Overall Length1.440 INCHES IN
Nominal Compressed Length13.750 INCHES IN
Operation MethodGAS
Cylinder End Nominal Inside Diameter10.0 MILLIMETERS MM
Cylinder End Connection StyleBUSHING AND SLEEVE
Protective Shield TypeDUST
Duty TypeHEAVY
Piston End Connection StyleLOOP MOUNTING
Cylinder End Nominal Overall Length1.480 INCHES IN
Nominal Extended Length22.875 INCHES IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
5915-00-179-2891 INTERCHANGEABLE
Filter,radio Frequency Interfere
5330-00-246-3093 INTERCHANGEABLE
Packing,cup
6750-01-066-99193960 INTERCHANGEABLE
Plate,photographic
Horizons Incorporated Div Imaging Systems Group
3110-01-174-891532208 INTERCHANGEABLE
Bearing,roller,tapered
Koellmann Gear Corp Dba Koellmann Gear Corp
5445-01-365-704132208 INTERCHANGEABLE
Plate,base,tower Support
C & S Antennas, Inc Dba C & S Antennas Inc
3460-01-423-3900 INTERCHANGEABLE
Arbor,shell End Mill
5365-01-434-0186 INTERCHANGEABLE
Spacer,sleeve
6515-01-607-6951TICS.27.10475 INTERCHANGEABLE
Cable,vital Signs Monitor
Tribalco Llc
5940-01-631-170132208 INTERCHANGEABLE
Terminal,lug
Waytek Inc
1550-01-670-306781539 INTERCHANGEABLE
Unmanned Aircraft System
Aerovironment, Inc. Dba Aerovironment Inc
Cross-Reference Index
Part NumberManufacturer
81539 PRIMARY Maremont Corp Gabriel Div (USA)
E6TZ18125A Ford Motor Co Ford Parts and Service Div Government Part Sales (USA)
E6TZ18125A Ford Motor Company (USA)
32208 PRIMARY Tenneco Inc (USA)
E3TZ18125B Ford Motor Co Ford Parts and Service Div Government Part Sales (USA)
Related Parts
5915-00-179-2891INTERCHANGEABLE
FILTER,RADIO FREQUENCY INTERFERE
5330-00-246-3093INTERCHANGEABLE
PACKING,CUP
6750-01-066-9919INTERCHANGEABLE
PLATE,PHOTOGRAPHIC
3960
3110-01-174-8915INTERCHANGEABLE
BEARING,ROLLER,TAPERED
32208
5445-01-365-7041INTERCHANGEABLE
PLATE,BASE,TOWER SUPPORT
32208
3460-01-423-3900INTERCHANGEABLE
ARBOR,SHELL END MILL
5365-01-434-0186INTERCHANGEABLE
SPACER,SLEEVE
6515-01-607-6951INTERCHANGEABLE
CABLE,VITAL SIGNS MONITOR
TICS.27.10475
5940-01-631-1701INTERCHANGEABLE
TERMINAL,LUG
32208
1550-01-670-3067INTERCHANGEABLE
UNMANNED AIRCRAFT SYSTEM
81539

Frequently Asked Questions

What is NSN 2510-01-321-3665?

NSN 2510-01-321-3665 is a Shock Absorber,direct Action, manufactured by Maremont Corp Gabriel Div, classified under FSC 2510 (No Item Name Available). Status: active.

What are the part numbers for NSN 2510-01-321-3665?

NSN 2510-01-321-3665 has 5 cross-referenced part numbers: 81539 (Maremont Corp Gabriel Div), E6TZ18125A (Ford Motor Co Ford Parts and Service Div Government Part Sales), E6TZ18125A (Ford Motor Company), 32208 (Tenneco Inc), E3TZ18125B (Ford Motor Co Ford Parts and Service Div Government Part Sales).

What NSN replaces 2510-01-321-3665?

There are 10 known substitutes for 2510-01-321-3665: 5915-00-179-2891, 5330-00-246-3093, 6750-01-066-9919 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 81539?

Key specifications for 81539: Piston End Nominal Inside Diameter: 0.625 INCHES IN; Piston End Nominal Overall Length: 1.440 INCHES IN; Nominal Compressed Length: 13.750 INCHES IN; End Item Identification: FORD MOTOR CO. 1983/88 2 W/D RANGER,4 W/D BRONCO II AND 1986/88 2 W/D BRONCO II W. 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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