PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

3912122Cylinder Assembly,hydraulic Brak

General Motors Llc Dba General Motors Llc · NSN 2530-00-112-0016 · FSC 2530 · No Item Name Available
Verified by PartsTable
NSN 2530-00-112-0016 — this item is cataloged by the U.S. Government under National Stock Number 2530-00-112-0016. Primary manufacturer part number: 3912122.
Features
  • Cylinder Assembly,hydraulic Brak — FSC 2530
  • Port Thread Diameter: 0.500 INCHES NOMINAL ALL PORTS IN
  • Port Thread Class: 2B LOCATION NOT OTHERWISE SPECIFIED
  • Port Thread Quantity Per Inch: 20 ALL PORTS
  • Straight Bore Inside Diameter: 1.125 INCHES NOMINAL IN
  • Port Style: INVERTED FLARE SINGLE PORT
  • Mounting Type and Location: FLANGE PISTON ROD END
  • Seat Angle in Deg: 37.0 ALL PORTS
Applications
  • Applications requiring Steel Body construction
General Description

The Cylinder Assembly,hydraulic Brak, cataloged under National Stock Number 2530-00-112-0016, is classified within Federal Supply Class 2530 (No Item Name Available) of the Vehicular Equipment Components group. The primary manufacturer of record is General Motors Llc Dba General Motors Llc. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 40 commercial cross-references from 17 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
NSN2530-00-112-0016
Primary Part Number3912122
Item NameCylinder Assembly,hydraulic Brak
FSC / FSG2530 / 25 — No Item Name Available
ManufacturerGeneral Motors Llc Dba General Motors Llc
StatusCANCELLED
Port Thread Diameter0.500 INCHES NOMINAL ALL PORTS IN
Port Thread Class2B LOCATION NOT OTHERWISE SPECIFIED
Port Thread Quantity Per Inch20 ALL PORTS
Straight Bore Inside Diameter1.125 INCHES NOMINAL IN
Port StyleINVERTED FLARE SINGLE PORT
Mounting Type and LocationFLANGE PISTON ROD END
Seat Angle in Deg37.0 ALL PORTS
Port Thread Quantity Per Inch18 SINGLE PORT
Seat Angle in Deg37.0 SINGLE PORT
Port Thread Series DesignatorUNF SINGLE PORT
Port StyleINVERTED FLARE ALL PORTS
MaterialSTEEL BODY
Reservoir TypeINTEGRAL
Port Thread Diameter0.562 INCHES NOMINAL SINGLE PORT IN
Port Thread Series DesignatorUNF ALL PORTS
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5950-00-039-7698GA51613 INTERCHANGEABLE
Coil,radio Frequency
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
6625-00-139-9917MX-9183/UR INTERCHANGEABLE
Adapter,test
Joint Electronics Type Designation System
1680-00-347-0524C2735 INTERCHANGEABLE
Housing,gear
Aerocontrolex Group, Inc. Div Talley Actuators
2040-00-393-3717 INTERCHANGEABLE
Rudder and Stock
5365-00-441-493236239 INTERCHANGEABLE
Shim
Goodrich Corporation Dba Goodrich Corp
3040-00-628-6280 INTERCHANGEABLE
Cam,control
5950-00-646-2570673274 INTERCHANGEABLE
Transformer,power
Northrop Grumman Systems Corporation
4820-00-756-55382735 INTERCHANGEABLE
Seat,valve
Lawler Manufacturing Company, Inc.
5360-00-840-1936 INTERCHANGEABLE
Spring,helical,extension
5315-00-844-3662MS16562-62 INTERCHANGEABLE
Pin,spring
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
Cross-Reference Index
Part NumberManufacturer
3912122 PRIMARY General Motors Llc Dba General Motors Llc (USA)
36239 Raymark Industries Inc (USA)
3912145 General Motors Corp Chevrolet Motor Div Special Products Dept (USA)
3912102 General Motors Corp (USA)
174-245 Delco Moraine Div of General Motors Corp (USA)
36287 Echlin Inc (USA)
219-1706 Goodyear Tire and Rubber Co the (USA)
MC64885 PRIMARY Trw Inc Replacement Parts Div (USA)
H-66857 PRIMARY Chrysler Corp Service and Parts Opns (USA)
1329 Allied Automotive Allied Aftermarket Div (USA)
E66857 Eis Brake Parts Div of Standard Motor Products Inc (USA)
MC64885 C E Niehoff & Co (USA)
3941939 General Motors Corp Chevrolet Motor Div Special Products Dept (USA)
E71263 Eis Brake Parts Div of Standard Motor Products Inc (USA)
3912145 General Motors Corp (USA)
F66786 Federal Mogul Corp Sub Wagner Brake Moog Automotive Div (USA)
MC66857 PRIMARY Trw Inc Replacement Parts Div (USA)
3912102 General Motors Corp Chevrolet Motor Div Special Products Dept (USA)
2735 Bendix Corp the (USA)
5463267 PRIMARY General Motors Llc Dba General Motors Llc (USA)
Related Parts
5950-00-039-7698INTERCHANGEABLE
COIL,RADIO FREQUENCY
GA51613
6625-00-139-9917INTERCHANGEABLE
ADAPTER,TEST
MX-9183/UR
1680-00-347-0524INTERCHANGEABLE
HOUSING,GEAR
C2735
2040-00-393-3717INTERCHANGEABLE
RUDDER AND STOCK
5365-00-441-4932INTERCHANGEABLE
SHIM
36239
3040-00-628-6280INTERCHANGEABLE
CAM,CONTROL
5950-00-646-2570INTERCHANGEABLE
TRANSFORMER,POWER
673274
4820-00-756-5538INTERCHANGEABLE
SEAT,VALVE
2735
5360-00-840-1936INTERCHANGEABLE
SPRING,HELICAL,EXTENSION
5315-00-844-3662INTERCHANGEABLE
PIN,SPRING
MS16562-62
5935-00-855-9126INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
27-35
1620-00-968-8328INTERCHANGEABLE
HOUSING,SWIVEL,UPPE
174155

Frequently Asked Questions

What is NSN 2530-00-112-0016?

NSN 2530-00-112-0016 is a Cylinder Assembly,hydraulic Brak, manufactured by General Motors Llc Dba General Motors Llc, classified under FSC 2530 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 2530-00-112-0016?

NSN 2530-00-112-0016 has 40 cross-referenced part numbers: 3912122 (General Motors Llc Dba General Motors Llc), 36239 (Raymark Industries Inc), 3912145 (General Motors Corp Chevrolet Motor Div Special Products Dept), 3912102 (General Motors Corp), 174-245 (Delco Moraine Div of General Motors Corp) and 35 more.

What NSN replaces 2530-00-112-0016?

There are 12 known substitutes for 2530-00-112-0016: 5950-00-039-7698, 6625-00-139-9917, 1680-00-347-0524 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 3912122?

Key specifications for 3912122: Port Thread Diameter: 0.500 INCHES NOMINAL ALL PORTS IN; Port Thread Class: 2B LOCATION NOT OTHERWISE SPECIFIED; Port Thread Quantity Per Inch: 20 ALL PORTS; Overall Height: 4.375 INCHES NOMINAL IN. 17 total characteristics are documented in the Federal Logistics Information System.

Is NSN 2530-00-112-0016 still in active supply?

NSN 2530-00-112-0016 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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