The Cylinder Assembly,hydraulic Brak, cataloged under National Stock Number 2530-01-437-4243, is classified within Federal Supply Class 2530 (Vehicular Brake, Steering, Axle, Wheel, and Track Components) of the Vehicular Equipment Components group. Government technical data includes 6 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
Possible hazard — SDS may be required (DLA HMIC P)
Criticality Code
X
Cross-Reference Index
No manufacturer part numbers on file in the U.S. Government catalog.
Reference documents
Reference
Meaning
18029969
C/1Advisory reference — outside the item-of-supply concept
General Motors Llc Dba General Motors Llc
18029969
3/9Design control — primary reference
General Motors Corp
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 2530-01-437-4243?
NSN 2530-01-437-4243 is a Cylinder Assembly,hydraulic Brak, classified under FSC 2530, Vehicular Brake, Steering, Axle, Wheel, and Track Components. Status: active.
What are the specifications of 2530-01-437-4243?
Key specifications for 2530-01-437-4243: Actuation Method: DIRECT; Fragility Factor: MODERATELY RUGGED; Port Location and Quantity: 2 CYLINDER BASE; Special Features: BRK MAS (MTD TO BOOS ASM). 6 specifications are documented in the U.S. Government catalog.
Is NSN 2530-01-437-4243 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.