PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

11-0138Valve,check

Bacharach, Inc. · NSN 4820-00-611-5524 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-611-5524 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-611-5524. Primary manufacturer part number: 11-0138.
Features
  • Valve,check — FSC 4820
  • Disk Loading Method: WEIGHT
  • Valve Operation Method: AUTOMATIC
  • Flow Control Device: POPPET
  • Connection Type: UNTHREADED EXTERNAL HOSE ALL ENDS
  • Material: RUBBER SYNTHETIC FLOW CONTROL DEVICE
  • Style Designator: STRAIGHT THRU
  • Mounting Position: HORIZONTAL
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Rubber Synthetic Flow Control Device construction
General Description

The Valve,check, cataloged under National Stock Number 4820-00-611-5524, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Bacharach, Inc.. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 1 manufacturer, 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
NSN4820-00-611-5524
Primary Part Number11-0138
Item NameValve,check
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerBacharach, Inc.
StatusCANCELLED
Disk Loading MethodWEIGHT
Valve Operation MethodAUTOMATIC
Flow Control DevicePOPPET
Connection TypeUNTHREADED EXTERNAL HOSE ALL ENDS
MaterialRUBBER SYNTHETIC FLOW CONTROL DEVICE
Style DesignatorSTRAIGHT THRU
Mounting PositionHORIZONTAL
MaterialPLASTIC BODY
Connection StyleBEADED (HOSE) ALL ENDS
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5306-00-010-0023100023 INTERCHANGEABLE
Bolt,machine
General Motors Llc Dba General Motors Llc
9540-00-027-7461LS6528 INTERCHANGEABLE
Beam,structural
Lockheed Martin Corp
4220-00-066-24451000-23 INTERCHANGEABLE
Block,spring
Aqualung Usa, Inc
5910-00-119-9300100023 INTERCHANGEABLE
Capacitor,fixed,ceramic Dielectr
Astronics Test Systems Inc
5325-00-162-0380KA56GR031 INTERCHANGEABLE
Grommet,nonmetallic
Carrier Corp
5999-00-184-0324 INTERCHANGEABLE
Magnet,permanent
8030-00-220-6973 INTERCHANGEABLE
Sealing Compound
5133-00-228-1373 INTERCHANGEABLE
Drill,twist
5905-00-295-3578571-6505-1303192PC34 INTERCHANGEABLE
Resistor,adjustable
Naval Ship Systems Command
5945-00-295-42948002-1 INTERCHANGEABLE
Relay,rotary
Te Connectivity Corporation
Cross-Reference Index
Part NumberManufacturer
11-0138 PRIMARY Bacharach, Inc. (USA)
11-0127 Bacharach, Inc. (USA)
800-21 Bacharach, Inc. (USA)
10-0021 Bacharach, Inc. (USA)
10-0023 Bacharach, Inc. (USA)
800-19 Bacharach, Inc. (USA)
Related Parts
5306-00-010-0023INTERCHANGEABLE
BOLT,MACHINE
100023
9540-00-027-7461INTERCHANGEABLE
BEAM,STRUCTURAL
LS6528
4220-00-066-2445INTERCHANGEABLE
BLOCK,SPRING
1000-23
5910-00-119-9300INTERCHANGEABLE
CAPACITOR,FIXED,CERAMIC DIELECTR
100023
5325-00-162-0380INTERCHANGEABLE
GROMMET,NONMETALLIC
KA56GR031
5999-00-184-0324INTERCHANGEABLE
MAGNET,PERMANENT
8030-00-220-6973INTERCHANGEABLE
SEALING COMPOUND
5133-00-228-1373INTERCHANGEABLE
DRILL,TWIST
5905-00-295-3578INTERCHANGEABLE
RESISTOR,ADJUSTABLE
571-6505-1303192PC34
5945-00-295-4294INTERCHANGEABLE
RELAY,ROTARY
8002-1
5998-00-493-1652INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
4810-00-529-4487INTERCHANGEABLE
VALVE,BUTTERFLY
100023

Frequently Asked Questions

What is NSN 4820-00-611-5524?

NSN 4820-00-611-5524 is a Valve,check, manufactured by Bacharach, Inc., classified under FSC 4820 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4820-00-611-5524?

NSN 4820-00-611-5524 has 6 cross-referenced part numbers: 11-0138 (Bacharach, Inc.), 11-0127 (Bacharach, Inc.), 800-21 (Bacharach, Inc.), 10-0021 (Bacharach, Inc.), 10-0023 (Bacharach, Inc.) and 1 more.

What NSN replaces 4820-00-611-5524?

There are 12 known substitutes for 4820-00-611-5524: 5306-00-010-0023, 9540-00-027-7461, 4220-00-066-2445 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 11-0138?

Key specifications for 11-0138: Disk Loading Method: WEIGHT; Valve Operation Method: AUTOMATIC; Flow Control Device: POPPET; Connection Type: UNTHREADED EXTERNAL HOSE ALL ENDS. 9 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4820-00-611-5524 still in active supply?

NSN 4820-00-611-5524 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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