PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

3180121Diaphragm,chamber,brake

Ed Etnyre & Co · NSN 2530-00-478-5795 · FSC 2530 · No Item Name Available
Verified by PartsTable
NSN 2530-00-478-5795 — this item is cataloged by the U.S. Government under National Stock Number 2530-00-478-5795. Primary manufacturer part number: 3180121.
Features
  • Diaphragm,chamber,brake — FSC 2530
  • Diaphragm Type: FLANGED ANGULAR RECESSED
  • Material: RUBBER SYNTHETIC
  • Material Thickness: 0.062 INCHES NOMINAL IN
  • Mounting Hole Diameter: 0.375 INCHES NOMINAL IN
  • Mounting Method: BEAD
  • Mounting Hole Quantity: 2
  • Overall Outside Diameter: 12.187 INCHES NOMINAL IN
Applications
  • Applications requiring Rubber Synthetic construction
General Description

The Diaphragm,chamber,brake, cataloged under National Stock Number 2530-00-478-5795, is classified within Federal Supply Class 2530 (No Item Name Available) of the Vehicular Equipment Components group. The primary manufacturer of record is Ed Etnyre & Co. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN2530-00-478-5795
Primary Part Number3180121
Item NameDiaphragm,chamber,brake
FSC / FSG2530 / 25 — No Item Name Available
ManufacturerEd Etnyre & Co
StatusACTIVE
Diaphragm TypeFLANGED ANGULAR RECESSED
MaterialRUBBER SYNTHETIC
Material Thickness0.062 INCHES NOMINAL IN
Mounting Hole Diameter0.375 INCHES NOMINAL IN
Mounting MethodBEAD
Mounting Hole Quantity2
Overall Outside Diameter12.187 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
8465-01-412-070631-80121 INTERCHANGEABLE
Spectacles,laser Protective
Honeywell Safety Products Usa, Inc.
5360-01-565-31663180121 INTERCHANGEABLE
Spring,helical,compression
Parker-Hannifin Corp Div Hydraulic Pump/motor Division
Cross-Reference Index
Part NumberManufacturer
3180121 PRIMARY Ed Etnyre & Co (USA)
Related Parts
8465-01-412-0706INTERCHANGEABLE
SPECTACLES,LASER PROTECTIVE
31-80121
5360-01-565-3166INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
3180121

Frequently Asked Questions

What is NSN 2530-00-478-5795?

NSN 2530-00-478-5795 is a Diaphragm,chamber,brake, manufactured by Ed Etnyre & Co, classified under FSC 2530 (No Item Name Available). Status: active.

What are the part numbers for NSN 2530-00-478-5795?

NSN 2530-00-478-5795 has 1 cross-referenced part number: 3180121 (Ed Etnyre & Co).

What NSN replaces 2530-00-478-5795?

There are 2 known substitutes for 2530-00-478-5795: 8465-01-412-0706, 5360-01-565-3166. Verify interchangeability with system specifications before substitution.

What are the specifications of 3180121?

Key specifications for 3180121: Diaphragm Type: FLANGED ANGULAR RECESSED; Material: RUBBER SYNTHETIC; Material Thickness: 0.062 INCHES NOMINAL IN; Mounting Hole Diameter: 0.375 INCHES NOMINAL IN. 8 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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