PartsTable TECHNICAL DATA SHEET
NSN 2530-01-512-1882Government record, cited

Piston Assembly, Spring Brake Act2530-01-512-1882

NSN 2530-01-512-1882 · NIIN 015121882 · Part number 291AS411
Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier · FSC 2530 — Vehicular Brake, Steering, Axle, Wheel, and Track Components · FSG 25 — Vehicular Equipment Components · CAGE 30003
Government record, cited
NSN 2530-01-512-1882 — this item is cataloged by the U.S. Government under National Stock Number 2530-01-512-1882. Manufacturer of record part number: 291AS411.
Also searched as  2530-01-512-1882 · 2530015121882 · NIIN 015121882 · 01-512-1882 · FSC 2530 Vehicular Brake, Steering, Axle, Wheel, and Track Components · CAGE 30003 · 291AS411
Nearby stock numbers  ·
Features
  • Piston Assembly,spring Brake Act — FSC 2530
  • Overall Diameter: 0.625 INCHES MINIMUM AND 0.626 INCHES MAXIMUM IN
  • Material: STEEL CORROSION RESISTING
  • 1 manufacturer part number on file
  • Manufacturer of record: Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier
Identification
  • NSN: 2530-01-512-1882
  • NIIN: 015121882
  • FSC: 2530 — Vehicular Brake, Steering, Axle, Wheel, and Track Components
  • FSG: 25 — Vehicular Equipment Components
  • Primary part number: 291AS411
  • Manufacturer: Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier
General Description

The Piston Assembly,spring Brake Act, cataloged under National Stock Number 2530-01-512-1882, 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 Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier. 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. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN2530-01-512-1882
Primary Part Number291AS411
Item NamePiston Assembly,spring Brake Act
FSC / FSG2530 / 25 — Vehicular Brake, Steering, Axle, Wheel, and Track Components
ManufacturerNaval Air Systems Command Managed Original Design Activity Not Material/parts Supplier
StatusACTIVE
Overall Diameter0.625 INCHES MINIMUM AND 0.626 INCHES MAXIMUM IN
MaterialSTEEL CORROSION RESISTING
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
291AS411 PRIMARY Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA)
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 2530-01-512-1882?

NSN 2530-01-512-1882 is a Piston Assembly,spring Brake Act, manufactured by Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier, classified under FSC 2530, Vehicular Brake, Steering, Axle, Wheel, and Track Components. Status: active.

What part numbers are listed for NSN 2530-01-512-1882?

NSN 2530-01-512-1882 has 1 manufacturer part number on file: 291AS411 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier).

What are the specifications of 291AS411?

Key specifications for 291AS411: Overall Diameter: 0.625 INCHES MINIMUM AND 0.626 INCHES MAXIMUM IN; Overall Length: 4.270 INCHES MINIMUM AND 4.290 INCHES MAXIMUM IN; Special Features: PASSIVATED; End Item Identification: 29AS416, PISTON ASSEMBLY. 2 specifications are documented in the U.S. Government catalog.

Is NSN 2530-01-512-1882 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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