PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

031023Diaphragm,chamber,brake

Velvac Inc · NSN 2530-00-430-2392 · FSC 2530 · No Item Name Available
Verified by PartsTable
NSN 2530-00-430-2392 — this item is cataloged by the U.S. Government under National Stock Number 2530-00-430-2392. Primary manufacturer part number: 031023.
Features
  • Diaphragm,chamber,brake — FSC 2530
  • Diaphragm Type: BEADED ANGULAR RECESSED
  • Environmental Protection: OIL RESISTANT
  • Overall Outside Diameter: 5.500 INCHES NOMINAL IN
  • Mounting Method: BEAD
  • Material Thickness: 0.130 INCHES NOMINAL IN
  • Material: RUBBER POLYISOPRENE NATURAL CLASS NR
  • 27 verified cross-references
Applications
  • Applications requiring Rubber Polyisoprene Natural Class Nr construction
General Description

The Diaphragm,chamber,brake, cataloged under National Stock Number 2530-00-430-2392, is classified within Federal Supply Class 2530 (No Item Name Available) of the Vehicular Equipment Components group. The primary manufacturer of record is Velvac Inc. Government technical data includes 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 27 commercial cross-references from 19 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN2530-00-430-2392
Primary Part Number031023
Item NameDiaphragm,chamber,brake
FSC / FSG2530 / 25 — No Item Name Available
ManufacturerVelvac Inc
StatusCANCELLED
Diaphragm TypeBEADED ANGULAR RECESSED
Environmental ProtectionOIL RESISTANT
Overall Outside Diameter5.500 INCHES NOMINAL IN
Mounting MethodBEAD
Material Thickness0.130 INCHES NOMINAL IN
MaterialRUBBER POLYISOPRENE NATURAL CLASS NR
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
2810-00-118-5869 INTERCHANGEABLE
Gage Stick,oil Leve
3510-00-172-375518120 INTERCHANGEABLE
Padding Flannel,laundry Press,co
Forenta Lp
5950-00-249-2561C215351-2 INTERCHANGEABLE
Coil,radio Frequency
Honeywell International Inc Dba Honeywell
5325-00-350-284216WN2724 INTERCHANGEABLE
Grommet,nonmetallic
Volvo Trucks North America, Inc. Dba (foreign Parent Is Volvo Lastvagnar Ab, Goteborg, Sweden.)
5365-00-484-228165012 INTERCHANGEABLE
Spacer,plate
Aerol Llc
4920-00-534-0779806747 INTERCHANGEABLE
Stand,assembling an
Curtiss-Wright Controls, Inc. Div Actuation Division
4820-00-640-0297650-1-2 INTERCHANGEABLE
Valve,globe
William Powell Company, the Dba Powell Valve Div the Starflo Corporation
2920-00-658-7373F1094MV INTERCHANGEABLE
Contact Set,distributor
Wells Mfg Corp Sub of Uis Inc
5985-00-716-3776 INTERCHANGEABLE
Antenna Subassembly
5999-00-885-0276 INTERCHANGEABLE
Contact,electrical
Cross-Reference Index
Part NumberManufacturer
3107860 White Motor Corp (USA)
440259 American Hoist and Derrick Co
AD17544 Lift Parts Mfg Co Inc Div of Echlin Mfg Co the (USA)
031023 PRIMARY Velvac Inc (USA)
L-821 Leland Equipment Co (USA)
843631 White Motor Corp (USA)
806747 Terex American Crane Corp (USA)
258-5-1-2 Velvac Inc (USA)
1812 Midland Brake Inc Div of Echlin Inc (USA)
234226 Bendix Corp the Brake and Steering Div (USA)
AD17544 Federal Mogul Corp Sub Wagner Brake Moog Automotive Div (USA)
745-234226N Volvo Group Government Sales Oceani Oceania Volvo Group Government Sales (AUS)
806747 American Hoist and Derrick Co
440259 Terex American Crane Corp (USA)
18120 Midland Brake Inc Div of Echlin Inc (USA)
2297D2448 Meritor Heavy Vehicle Systems, Llc (USA)
2829937 Chrysler Realty Company Llc Dba Daimler Chrysler (USA)
N-20168 Haldex Brake Products Corporation (USA)
2530004302392 E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales
DP12 Haldex Brake Products Corporation (USA)
Related Parts
2810-00-118-5869INTERCHANGEABLE
GAGE STICK,OIL LEVE
3510-00-172-3755INTERCHANGEABLE
PADDING FLANNEL,LAUNDRY PRESS,CO
18120
5950-00-249-2561INTERCHANGEABLE
COIL,RADIO FREQUENCY
C215351-2
5325-00-350-2842INTERCHANGEABLE
GROMMET,NONMETALLIC
16WN2724
5365-00-484-2281INTERCHANGEABLE
SPACER,PLATE
65012
4920-00-534-0779INTERCHANGEABLE
STAND,ASSEMBLING AN
806747
4820-00-640-0297INTERCHANGEABLE
VALVE,GLOBE
650-1-2
2920-00-658-7373INTERCHANGEABLE
CONTACT SET,DISTRIBUTOR
F1094MV
5985-00-716-3776INTERCHANGEABLE
ANTENNA SUBASSEMBLY
5999-00-885-0276INTERCHANGEABLE
CONTACT,ELECTRICAL
5940-00-892-3108INTERCHANGEABLE
TERMINAL,LUG
MS25435-12
5999-00-924-7444INTERCHANGEABLE
DELAY LINE
140207-12G

Frequently Asked Questions

What is NSN 2530-00-430-2392?

NSN 2530-00-430-2392 is a Diaphragm,chamber,brake, manufactured by Velvac Inc, classified under FSC 2530 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 2530-00-430-2392?

NSN 2530-00-430-2392 has 27 cross-referenced part numbers: 3107860 (White Motor Corp), 440259 (American Hoist and Derrick Co), AD17544 (Lift Parts Mfg Co Inc Div of Echlin Mfg Co the), 031023 (Velvac Inc), L-821 (Leland Equipment Co) and 22 more.

What NSN replaces 2530-00-430-2392?

There are 12 known substitutes for 2530-00-430-2392: 2810-00-118-5869, 3510-00-172-3755, 5950-00-249-2561 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 031023?

Key specifications for 031023: Overall Height: 1.250 INCHES NOMINAL IN; Diaphragm Type: BEADED ANGULAR RECESSED; Environmental Protection: OIL RESISTANT; Overall Outside Diameter: 5.500 INCHES NOMINAL IN. 7 total characteristics are documented in the Federal Logistics Information System.

Is NSN 2530-00-430-2392 still in active supply?

NSN 2530-00-430-2392 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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