PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

12-140-021Cylinder Assembly,hydraulic Brak

Mico Inc Mico West Div · NSN 2530-01-331-1797 · FSC 2530 · No Item Name Available
Verified by PartsTable
NSN 2530-01-331-1797 — this item is cataloged by the U.S. Government under National Stock Number 2530-01-331-1797. Primary manufacturer part number: 12-140-021.
Features
  • Cylinder Assembly,hydraulic Brak — FSC 2530
  • Design Characteristics: DOUBLE ACTING SINGLE CYLINDER
  • Bleeding Feature Quantity: 1
  • 2 verified cross-references
  • Primary manufacturer: Mico Inc Mico West Div
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Cylinder Assembly,hydraulic Brak, cataloged under National Stock Number 2530-01-331-1797, is classified within Federal Supply Class 2530 (No Item Name Available) of the Vehicular Equipment Components group. The primary manufacturer of record is Mico Inc Mico West Div. Government technical data includes 2 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. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN2530-01-331-1797
Primary Part Number12-140-021
Item NameCylinder Assembly,hydraulic Brak
FSC / FSG2530 / 25 — No Item Name Available
ManufacturerMico Inc Mico West Div
StatusACTIVE
Design CharacteristicsDOUBLE ACTING SINGLE CYLINDER
Bleeding Feature Quantity1
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
4820-00-089-5417400F913 INTERCHANGEABLE
Valve,angle
Dragon Valves Inc
4920-00-132-13164071-2 INTERCHANGEABLE
Locator,contact
Te Connectivity Corporation
4820-00-293-76873671-16REVAPC12 INTERCHANGEABLE
Valve,globe
Electric Boat Corporation Div General Dynamics Electric Boat
5310-01-120-144440712 INTERCHANGEABLE
Washer,flat
Rogerson Aircraft Equipment Group
5340-01-251-1764 INTERCHANGEABLE
Damper,shimmy
6105-01-272-461012-1400-21 INTERCHANGEABLE
Stator,motor
Scotsman Industries Inc Div Scotsman Ice Systems
5998-01-382-764840712 INTERCHANGEABLE
Circuit Card Assembly
Antenna Research Associates, Incorporated
4810-01-428-692440712 INTERCHANGEABLE
Valve,solenoid
Imi Cornelius Inc.
Cross-Reference Index
Part NumberManufacturer
12-140-021 PRIMARY Mico Inc Mico West Div (USA)
40712 Volvo Motor Graders Ltd (CAN)
Related Parts
4820-00-089-5417INTERCHANGEABLE
VALVE,ANGLE
400F913
4920-00-132-1316INTERCHANGEABLE
LOCATOR,CONTACT
4071-2
4820-00-293-7687INTERCHANGEABLE
VALVE,GLOBE
3671-16REVAPC12
5310-01-120-1444INTERCHANGEABLE
WASHER,FLAT
40712
5340-01-251-1764INTERCHANGEABLE
DAMPER,SHIMMY
6105-01-272-4610INTERCHANGEABLE
STATOR,MOTOR
12-1400-21
5998-01-382-7648INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
40712
4810-01-428-6924INTERCHANGEABLE
VALVE,SOLENOID
40712

Frequently Asked Questions

What is NSN 2530-01-331-1797?

NSN 2530-01-331-1797 is a Cylinder Assembly,hydraulic Brak, manufactured by Mico Inc Mico West Div, classified under FSC 2530 (No Item Name Available). Status: active.

What are the part numbers for NSN 2530-01-331-1797?

NSN 2530-01-331-1797 has 2 cross-referenced part numbers: 12-140-021 (Mico Inc Mico West Div), 40712 (Volvo Motor Graders Ltd).

What NSN replaces 2530-01-331-1797?

There are 8 known substitutes for 2530-01-331-1797: 4820-00-089-5417, 4920-00-132-1316, 4820-00-293-7687 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 12-140-021?

Key specifications for 12-140-021: Design Characteristics: DOUBLE ACTING SINGLE CYLINDER; Bleeding Feature Quantity: 1. 2 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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