PartsTable TECHNICAL DATA SHEET
NSN 2530-00-232-5742Government record, cited

Piston, Hydraulic Brake, Master Cy2530-00-232-5742

NSN 2530-00-232-5742 · NIIN 002325742 · Part number 4996773
Kalmar AC Inc · FSC 2530 — Vehicular Brake, Steering, Axle, Wheel, and Track Components · FSG 25 — Vehicular Equipment Components · CAGE 0AHU0
Government record, cited
NSN 2530-00-232-5742 — this item is cataloged by the U.S. Government under National Stock Number 2530-00-232-5742. Manufacturer of record part number: 4996773.
Also searched as  2530-00-232-5742 · 2530002325742 · NIIN 002325742 · 00-232-5742 · FSC 2530 Vehicular Brake, Steering, Axle, Wheel, and Track Components · CAGE 0AHU0 · 4996773 · 618493 · 618493
Nearby stock numbers  ·
Features
  • Piston,hydraulic Brake,master Cy — FSC 2530
  • Length: 4.000 INCHES NOMINAL IN
  • Size Designator: 1
  • 1 manufacturer part number on file
  • Manufacturer of record: Kalmar AC Inc
Identification
  • NSN: 2530-00-232-5742
  • NIIN: 002325742
  • FSC: 2530 — Vehicular Brake, Steering, Axle, Wheel, and Track Components
  • FSG: 25 — Vehicular Equipment Components
  • Primary part number: 4996773
  • Manufacturer: Kalmar AC Inc
General Description

The Piston,hydraulic Brake,master Cy, cataloged under National Stock Number 2530-00-232-5742, is classified within Federal Supply Class 2530 (Vehicular Brake, Steering, Axle, Wheel, and Track Components) of the Vehicular Equipment Components group. The manufacturer of record is Kalmar AC Inc. Government technical data includes 2 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN2530-00-232-5742
Primary Part Number4996773
Item NamePiston,hydraulic Brake,master Cy
FSC / FSG2530 / 25 — Vehicular Brake, Steering, Axle, Wheel, and Track Components
ManufacturerKalmar AC Inc
StatusACTIVE
Length4.000 INCHES NOMINAL IN
Size Designator1
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL A — No Demilitarization Required
HazardPossible hazard — SDS may be required (DLA HMIC P)
Criticality CodeX
Cross-Reference Index
Part NumberManufacturer
4996773 PRIMARY Kalmar AC Inc (USA)
Reference documents
ReferenceMeaning
618493 5/9 Secondary reference
Allied Automotive Allied Aftermarket Div
618493 5/9 Secondary reference
Bendix Corp the Hydraulics Div
No interchangeability data on file.
Other items in FSC 2530 — Vehicular Brake, Steering, Axle, Wheel, and Track Components
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
2530-00-001-0012
WHEEL,SOLID RUBBER TIRE
2530-00-001-0035
2530-00-001-0035 · Item name not on file
2530-00-001-2633
2530-00-001-2633 · Item name not on file
2530-00-001-3371
2530-00-001-3371 · Item name not on file
2530-00-001-3390
2530-00-001-3390 · Item name not on file
2530-00-001-3393
2530-00-001-3393 · Item name not on file
2530-00-001-3426
BOOT,VEHICULAR COMPONENTS
2530-00-001-3427
2530-00-001-3427 · Item name not on file

Frequently Asked Questions

What is NSN 2530-00-232-5742?

NSN 2530-00-232-5742 is a Piston,hydraulic Brake,master Cy, manufactured by Kalmar AC Inc, classified under FSC 2530, Vehicular Brake, Steering, Axle, Wheel, and Track Components. Status: active.

What part numbers are listed for NSN 2530-00-232-5742?

NSN 2530-00-232-5742 has 1 manufacturer part number on file: 4996773 (Kalmar AC Inc).

What are the specifications of 4996773?

Key specifications for 4996773: Length: 4.000 INCHES NOMINAL IN; Size Designator: 1. 2 specifications are documented in the U.S. Government catalog.

Is NSN 2530-00-232-5742 hazardous material?

Possible hazard — SDS may be required (DLA HMIC P). Hazard information on this page is shown exactly as it appears in the DLA record.

Sources

U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.

U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.

✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.
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