PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

15303Valve,regulating,temperature

Electro Impulse Laboratory Inc Dba Electro Impulse Inc · NSN 4820-01-170-9893 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-170-9893 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-170-9893. Primary manufacturer part number: 15303.
Features
  • Valve,regulating,temperature — FSC 4820
  • Flow Control Device: POPPET
  • Third End Relationship with Preceding Ends: IDENTICAL WITH FIRST END
  • Thread Size and Series/type Designator: 1.000-11-1/2 NPT FIRST END
  • Body Style: TEE
  • First End Connection Type: THREADED INTERNAL PIPE
  • First End Style Designator: PLAIN
  • End Connection Quantity: 3
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Copper Alloy Body construction
General Description

The Valve,regulating,temperature, cataloged under National Stock Number 4820-01-170-9893, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Electro Impulse Laboratory Inc Dba Electro Impulse Inc. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-170-9893
Primary Part Number15303
Item NameValve,regulating,temperature
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerElectro Impulse Laboratory Inc Dba Electro Impulse Inc
StatusACTIVE
Flow Control DevicePOPPET
Third End Relationship with Preceding EndsIDENTICAL WITH FIRST END
Thread Size and Series/type Designator1.000-11-1/2 NPT FIRST END
Body StyleTEE
First End Connection TypeTHREADED INTERNAL PIPE
First End Style DesignatorPLAIN
End Connection Quantity3
MaterialCOPPER ALLOY BODY
MaterialCOPPER ALLOY FLOW CONTROL DEVICE
Second End Relationship with First EndIDENTICAL
First End Thread DirectionRIGHT-HAND
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5331-00-054-6880 INTERCHANGEABLE
O-Ring
5905-00-259-22990319 INTERCHANGEABLE
Resistor,variable,wire Wound,non
Ohmite Holding, L.l.c. Dba Ohmite Manufacturing
9540-00-294-9938 INTERCHANGEABLE
Beam,structural
2805-00-423-3757 INTERCHANGEABLE
Valve,poppet,engine
5136-00-580-7332 INTERCHANGEABLE
Tap,thread Cutting
6510-00-890-13701530-3 INTERCHANGEABLE
Adhesive Tape,surgical
3m Company Div Health Care Business
5930-01-060-962515303 INTERCHANGEABLE
Switch,pressure
Hydra-Electric Company Dba Hydra-Electric Co
4820-01-066-61171530-3 INTERCHANGEABLE
Valve,safety Relief
Amfs American Fleet Services
9540-01-071-0129 INTERCHANGEABLE
Beam,structural
9540-01-071-1358 INTERCHANGEABLE
Beam,structural
Cross-Reference Index
Part NumberManufacturer
15303 PRIMARY Electro Impulse Laboratory Inc Dba Electro Impulse Inc (USA)
15303 Raytheon Company Dba Raytheon Co (USA)
Related Parts
5331-00-054-6880INTERCHANGEABLE
O-RING
5905-00-259-2299INTERCHANGEABLE
RESISTOR,VARIABLE,WIRE WOUND,NON
0319
9540-00-294-9938INTERCHANGEABLE
BEAM,STRUCTURAL
2805-00-423-3757INTERCHANGEABLE
VALVE,POPPET,ENGINE
5136-00-580-7332INTERCHANGEABLE
TAP,THREAD CUTTING
6510-00-890-1370INTERCHANGEABLE
ADHESIVE TAPE,SURGICAL
1530-3
5930-01-060-9625INTERCHANGEABLE
SWITCH,PRESSURE
15303
4820-01-066-6117INTERCHANGEABLE
VALVE,SAFETY RELIEF
1530-3
9540-01-071-0129INTERCHANGEABLE
BEAM,STRUCTURAL
9540-01-071-1358INTERCHANGEABLE
BEAM,STRUCTURAL
5330-01-095-4656INTERCHANGEABLE
SEAL,NONMETALLIC SPECIAL SHAPED
MA254-21005
5985-01-189-7904INTERCHANGEABLE
ISOLATOR,DUAL OUTPT
15303

Frequently Asked Questions

What is NSN 4820-01-170-9893?

NSN 4820-01-170-9893 is a Valve,regulating,temperature, manufactured by Electro Impulse Laboratory Inc Dba Electro Impulse Inc, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-170-9893?

NSN 4820-01-170-9893 has 2 cross-referenced part numbers: 15303 (Electro Impulse Laboratory Inc Dba Electro Impulse Inc), 15303 (Raytheon Company Dba Raytheon Co).

What NSN replaces 4820-01-170-9893?

There are 12 known substitutes for 4820-01-170-9893: 5331-00-054-6880, 5905-00-259-2299, 9540-00-294-9938 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 15303?

Key specifications for 15303: Flow Control Device: POPPET; Third End Relationship with Preceding Ends: IDENTICAL WITH FIRST END; Thread Size and Series/type Designator: 1.000-11-1/2 NPT FIRST END; Body Style: TEE. 11 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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