PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

SCB70532Valve,vacuum Breaking

Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir · NSN 4820-00-142-3142 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-142-3142 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-142-3142. Primary manufacturer part number: SCB70532.
Features
  • Valve,vacuum Breaking — FSC 4820
  • Media for Which Designed: AIR
  • Temp Adjustability: NOT ADJUSTABLE
  • Material: ALUMINUM ALLOY BODY
  • Surface Treatment: ANODIZE OUTSIDE
  • Body Style: SINGLE CONNECTION, STRAIGHT FLOW
  • First End Thread Class: 2A A
  • Material: ALUMINUM ALLOY FLOW CONTROL DEVICE
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Aluminum Alloy Body construction
General Description

The Valve,vacuum Breaking, cataloged under National Stock Number 4820-00-142-3142, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-00-142-3142
Primary Part NumberSCB70532
Item NameValve,vacuum Breaking
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerUs Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
StatusACTIVE
Media for Which DesignedAIR
Temp AdjustabilityNOT ADJUSTABLE
MaterialALUMINUM ALLOY BODY
Surface TreatmentANODIZE OUTSIDE
Body StyleSINGLE CONNECTION, STRAIGHT FLOW
First End Thread Class2A A
MaterialALUMINUM ALLOY FLOW CONTROL DEVICE
Flow Control DevicePOPPET
End Connection Quantity1
First End Style DesignatorEXTERNAL SEAT FOR GASKET SEAL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
2940-00-075-472851139 INTERCHANGEABLE
Filter Element,fluid
Wix Corp
5310-00-297-610710388 INTERCHANGEABLE
Washer,flat
Klauer Manufacturing Company
3990-00-542-280951139 INTERCHANGEABLE
Brake,floor,wheeled Equipment
Aerol Llc
9540-00-596-2940 INTERCHANGEABLE
Angle,structural
5325-00-821-0752P5-19 INTERCHANGEABLE
Receptacle,turnlock Fastener
Simmons Fastener Corp an Amfast Corp
5985-01-068-43933150505-1 INTERCHANGEABLE
Coupler,directional
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
7510-01-256-22838763 INTERCHANGEABLE
Ribbon,inking
Epson America Inc
5120-01-430-6758240D INTERCHANGEABLE
Vise,pin
L.s. Starrett Company (the) Div Tool Division
Cross-Reference Index
Part NumberManufacturer
51139 Kleinschmidt Inc (USA)
51139A Kleinschmidt Inc (USA)
SCB70532 PRIMARY Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir (USA)
P519 Circor Aerospace, Inc. Dba Circor Aerospace Inc (USA)
Related Parts
2940-00-075-4728INTERCHANGEABLE
FILTER ELEMENT,FLUID
51139
5310-00-297-6107INTERCHANGEABLE
WASHER,FLAT
10388
3990-00-542-2809INTERCHANGEABLE
BRAKE,FLOOR,WHEELED EQUIPMENT
51139
9540-00-596-2940INTERCHANGEABLE
ANGLE,STRUCTURAL
5325-00-821-0752INTERCHANGEABLE
RECEPTACLE,TURNLOCK FASTENER
P5-19
5985-01-068-4393INTERCHANGEABLE
COUPLER,DIRECTIONAL
3150505-1
7510-01-256-2283INTERCHANGEABLE
RIBBON,INKING
8763
5120-01-430-6758INTERCHANGEABLE
VISE,PIN
240D

Frequently Asked Questions

What is NSN 4820-00-142-3142?

NSN 4820-00-142-3142 is a Valve,vacuum Breaking, manufactured by Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-00-142-3142?

NSN 4820-00-142-3142 has 4 cross-referenced part numbers: 51139 (Kleinschmidt Inc), 51139A (Kleinschmidt Inc), SCB70532 (Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir), P519 (Circor Aerospace, Inc. Dba Circor Aerospace Inc).

What NSN replaces 4820-00-142-3142?

There are 8 known substitutes for 4820-00-142-3142: 2940-00-075-4728, 5310-00-297-6107, 3990-00-542-2809 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of SCB70532?

Key specifications for SCB70532: Media for Which Designed: AIR; Temp Adjustability: NOT ADJUSTABLE; Material: ALUMINUM ALLOY BODY; Surface Treatment: ANODIZE OUTSIDE. 10 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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