PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

49189Stem,needle Valve

Hdt Expeditionary Systems Inc · NSN 4820-01-180-3015 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-180-3015 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-180-3015. Primary manufacturer part number: 49189.
Features
  • Stem,needle Valve — FSC 4820
  • 1 verified cross-reference
  • Primary manufacturer: Hdt Expeditionary Systems Inc
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Stem,needle Valve, cataloged under National Stock Number 4820-01-180-3015, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Hdt Expeditionary Systems Inc. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameStem,needle Valve
FSC / FSG4820 — No Item Name Available (FSG 48)
ManufacturersHdt Expeditionary Systems Inc (CAGE 92878)
Technical Specifications
ParameterValue
NSN4820-01-180-3015
Primary Part Number49189
Item NameStem,needle Valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerHdt Expeditionary Systems Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
5330-00-285-134665X549 INTERCHANGEABLE
Seal,plain Encased
Garlock Sealing Technologies Llc Dba Garlock Sealing Technologies Llc
5935-00-666-0617RE49F174ALTC INTERCHANGEABLE
Adapter,connector
Naval Ship Systems Command
5905-00-918-226549189 INTERCHANGEABLE
Resistor,variable,wire Wound,pre
L3harris Technologies, Inc. Div Space and Airborne Systems
3010-01-243-148223061 INTERCHANGEABLE
Coupling,shaft,rigid
Parker-Hannifin Corporation Dba Pneutronics Div Gear Pump Division
2940-01-616-6166P611189 INTERCHANGEABLE
Filter Element,intake Air Cleane
Donaldson Company, Inc.
7025-01-718-396149189 INTERCHANGEABLE
Data Entry Unit
Verbatim Corp
Cross-Reference Index
Part NumberManufacturer
49189 PRIMARY Hdt Expeditionary Systems Inc (USA)
Related Parts
5330-00-285-1346INTERCHANGEABLE
SEAL,PLAIN ENCASED
65X549
5935-00-666-0617INTERCHANGEABLE
ADAPTER,CONNECTOR
RE49F174ALTC
5905-00-918-2265INTERCHANGEABLE
RESISTOR,VARIABLE,WIRE WOUND,PRE
49189
3010-01-243-1482INTERCHANGEABLE
COUPLING,SHAFT,RIGID
23061
2940-01-616-6166INTERCHANGEABLE
FILTER ELEMENT,INTAKE AIR CLEANE
P611189
7025-01-718-3961INTERCHANGEABLE
DATA ENTRY UNIT
49189

Frequently Asked Questions

What is NSN 4820-01-180-3015?

NSN 4820-01-180-3015 is a Stem,needle Valve, manufactured by Hdt Expeditionary Systems Inc, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-180-3015?

NSN 4820-01-180-3015 has 1 cross-referenced part number: 49189 (Hdt Expeditionary Systems Inc).

What NSN replaces 4820-01-180-3015?

There are 6 known substitutes for 4820-01-180-3015: 5330-00-285-1346, 5935-00-666-0617, 5905-00-918-2265 and 3 more. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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