PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

38-314-ASValve,vacuum Regulating

Aalberts Integrated Piping Systems Americas, Inc. · NSN 4820-00-164-3377 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-164-3377 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-164-3377. Primary manufacturer part number: 38-314-AS.
Features
  • Valve,vacuum Regulating — FSC 4820
  • Temp Adjustability: ADJUSTABLE
  • First End Thread Series Designator: NH
  • First End Inside Diameter Hose Accommodated: 1.375 INCHES NOMINAL IN
  • Second End Relationship with First End: NOT IDENTICAL
  • Second End Style Designator: PLAIN
  • End Connection Quantity: 2
  • Material: PLASTIC SILICONE FLOW CONTROL DEVICE
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Plastic Silicone Flow Control Device construction
General Description

The Valve,vacuum Regulating, cataloged under National Stock Number 4820-00-164-3377, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Aalberts Integrated Piping Systems Americas, Inc.. Government technical data includes 30 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 3 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
NSN4820-00-164-3377
Primary Part Number38-314-AS
Item NameValve,vacuum Regulating
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerAalberts Integrated Piping Systems Americas, Inc.
StatusCANCELLED
Temp AdjustabilityADJUSTABLE
First End Thread Series DesignatorNH
First End Inside Diameter Hose Accommodated1.375 INCHES NOMINAL IN
Second End Relationship with First EndNOT IDENTICAL
Second End Style DesignatorPLAIN
End Connection Quantity2
MaterialPLASTIC SILICONE FLOW CONTROL DEVICE
End Connection Quantity2
Flow Control DeviceDISK, CIRCULAR
Temp AdjustabilityADJUSTABLE
First End Nominal Thread Size0.750 INCHES IN
First End Thread Series DesignatorNH
Body MaterialCOPPER ALLOY
Second End Connection TypeTHREADED EXTERNAL HOSE
First End Inside Diameter Hose Accommodated1.375 INCHES NOMINAL IN
Body StyleSINGLE CONNECTION, STRAIGHT FLOW
Media for Which DesignedAMMONIA, LIQUID
Second End Thread Class1A A
Second End Thread DirectionRIGHT-HAND
Second End Style DesignatorPLAIN
Second End Outside Diameter Hose Accommodated0.750 INCHES NOMINAL IN
First End Style DesignatorPLAIN
First End Thread DirectionRIGHT-HAND
Second End Relationship with First EndNOT IDENTICAL
First End Connection TypeTHREADED INTERNAL HOSE
Flow Control DeviceDISK, CIRCULAR
First End Thread Class1A A
Second End Nominal Thread Size0.750 INCHES IN
Second End Thread Series DesignatorNH
MaterialPLASTIC SILICONE FLOW CONTROL DEVICE
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
2540-00-054-002408C02452000 INTERCHANGEABLE
Chain Assembly,tire
General Services Administration Federal Supply Service
5130-00-126-3217H.8 INTERCHANGEABLE
Handpiece,rotary Tool,flexible D
Blackstone Industries, Llc Div Edge Finisher
6850-00-255-0453 INTERCHANGEABLE
Magnetic Inspection Compound
5120-00-277-1247 INTERCHANGEABLE
Wrench,open End
6240-00-284-14468A INTERCHANGEABLE
Lamp,incandescent
Lamp Industry for Use with Industry Designations and Abbreviations for Lamps
5905-00-299-1739 INTERCHANGEABLE
Resistor,thermal
5950-00-340-3309 INTERCHANGEABLE
Transformer,power
4730-00-353-29954B9003 INTERCHANGEABLE
Adapter,straight,tube to Boss
Caterpillar Inc Div Caterpillar Defense
2910-00-483-098615091 INTERCHANGEABLE
Head and Rotor Assembly
Stanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems
1005-00-523-0098 INTERCHANGEABLE
Spring Firing Pin
Cross-Reference Index
Part NumberManufacturer
15-091 Sterling Faucet Co Sub of Kohler Co (USA)
8A Watts Regulator Company (USA)
38-304-AS Aalberts Integrated Piping Systems Americas, Inc. (USA)
38-314-AS PRIMARY Aalberts Integrated Piping Systems Americas, Inc. (USA)
8 3/4IN PRIMARY Watts Regulator Company (USA)
8 3-4FEMALEMALEH0SETHREAD Watts Regulator Company (USA)
Related Parts
2540-00-054-0024INTERCHANGEABLE
CHAIN ASSEMBLY,TIRE
08C02452000
5130-00-126-3217INTERCHANGEABLE
HANDPIECE,ROTARY TOOL,FLEXIBLE D
H.8
6850-00-255-0453INTERCHANGEABLE
MAGNETIC INSPECTION COMPOUND
5120-00-277-1247INTERCHANGEABLE
WRENCH,OPEN END
6240-00-284-1446INTERCHANGEABLE
LAMP,INCANDESCENT
8A
5905-00-299-1739INTERCHANGEABLE
RESISTOR,THERMAL
5950-00-340-3309INTERCHANGEABLE
TRANSFORMER,POWER
4730-00-353-2995INTERCHANGEABLE
ADAPTER,STRAIGHT,TUBE TO BOSS
4B9003
2910-00-483-0986INTERCHANGEABLE
HEAD AND ROTOR ASSEMBLY
15091
1005-00-523-0098INTERCHANGEABLE
SPRING FIRING PIN
3110-00-554-3232INTERCHANGEABLE
BEARING,BALL,ANNULAR
204S
4820-00-555-9761INTERCHANGEABLE
COCK,DRAIN

Frequently Asked Questions

What is NSN 4820-00-164-3377?

NSN 4820-00-164-3377 is a Valve,vacuum Regulating, manufactured by Aalberts Integrated Piping Systems Americas, Inc., classified under FSC 4820 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4820-00-164-3377?

NSN 4820-00-164-3377 has 6 cross-referenced part numbers: 15-091 (Sterling Faucet Co Sub of Kohler Co), 8A (Watts Regulator Company), 38-304-AS (Aalberts Integrated Piping Systems Americas, Inc.), 38-314-AS (Aalberts Integrated Piping Systems Americas, Inc.), 8 3/4IN (Watts Regulator Company) and 1 more.

What NSN replaces 4820-00-164-3377?

There are 12 known substitutes for 4820-00-164-3377: 2540-00-054-0024, 5130-00-126-3217, 6850-00-255-0453 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 38-314-AS?

Key specifications for 38-314-AS: Temp Adjustability: ADJUSTABLE; First End Thread Series Designator: NH; First End Inside Diameter Hose Accommodated: 1.375 INCHES NOMINAL IN; Second End Relationship with First End: NOT IDENTICAL. 30 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4820-00-164-3377 still in active supply?

NSN 4820-00-164-3377 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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