PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

20919Guide,valve Stem

Ashcroft Inc Dba Heise · NSN 4820-01-445-6954 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-445-6954 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-445-6954. Primary manufacturer part number: 20919.
Features
  • Guide,valve Stem — FSC 4820
  • Material: STEEL CORROSION RESISTING
  • 5 verified cross-references
  • Primary manufacturer: Ashcroft Inc Dba Heise
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Steel Corrosion Resisting construction
General Description

The Guide,valve Stem, cataloged under National Stock Number 4820-01-445-6954, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Ashcroft Inc Dba Heise. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4820-01-445-6954
Primary Part Number20919
Item NameGuide,valve Stem
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerAshcroft Inc Dba Heise
StatusCANCELLED
MaterialSTEEL CORROSION RESISTING
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 10
2530-00-288-61698758255 INTERCHANGEABLE
Cylinder Assembly,hydraulic Brak
U S Army Tank Automotive Command Amsta-Im-Mm
5360-00-317-337720919 INTERCHANGEABLE
Spring,helical,compression
Grove Valve Operations
1650-00-345-463420919 INTERCHANGEABLE
Shaft,selector Valve
Hydro-Aire Aerospace Corp
5935-00-722-89378644347 INTERCHANGEABLE
Connector,receptacle,electrical
Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate
5133-00-988-5706 INTERCHANGEABLE
Drill,twist
5950-01-200-3879209-19 INTERCHANGEABLE
Transformer,power
Valad Electric Heating Corp.
4310-01-245-989220-919 INTERCHANGEABLE
Compressor Unit,reciprocating
C&h Distributors, Llc
5120-01-430-9452 INTERCHANGEABLE
Key Set,socket Head Screw
6240-01-481-884620919 INTERCHANGEABLE
Lamp,metal Halide
Demetron Research Corp
4730-01-516-4797C20919 INTERCHANGEABLE
Elbow,hose
Hydrasearch Company, Llc
Cross-Reference Index
Part NumberManufacturer
20919 Ashcroft Inc Dba Heise (USA)
5V0672 PC 7A Ashcroft Inc Dba Heise (USA)
0091903 Ashcroft Inc Dba Heise (USA)
5V0672 Ashcroft Inc Dba Heise (USA)
0091903 Dresser, Inc. Dba Dresser Equipment Group Div Industrial Valve Operations, Dresse (USA)
Related Parts
2530-00-288-6169INTERCHANGEABLE
CYLINDER ASSEMBLY,HYDRAULIC BRAK
8758255
5360-00-317-3377INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
20919
1650-00-345-4634INTERCHANGEABLE
SHAFT,SELECTOR VALVE
20919
5935-00-722-8937INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
8644347
5133-00-988-5706INTERCHANGEABLE
DRILL,TWIST
5950-01-200-3879INTERCHANGEABLE
TRANSFORMER,POWER
209-19
4310-01-245-9892INTERCHANGEABLE
COMPRESSOR UNIT,RECIPROCATING
20-919
5120-01-430-9452INTERCHANGEABLE
KEY SET,SOCKET HEAD SCREW
6240-01-481-8846INTERCHANGEABLE
LAMP,METAL HALIDE
20919
4730-01-516-4797INTERCHANGEABLE
ELBOW,HOSE
C20919

Frequently Asked Questions

What is NSN 4820-01-445-6954?

NSN 4820-01-445-6954 is a Guide,valve Stem, manufactured by Ashcroft Inc Dba Heise, classified under FSC 4820 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4820-01-445-6954?

NSN 4820-01-445-6954 has 5 cross-referenced part numbers: 20919 (Ashcroft Inc Dba Heise), 5V0672 PC 7A (Ashcroft Inc Dba Heise), 0091903 (Ashcroft Inc Dba Heise), 5V0672 (Ashcroft Inc Dba Heise), 0091903 (Dresser, Inc. Dba Dresser Equipment Group Div Industrial Valve Operations, Dresse).

What NSN replaces 4820-01-445-6954?

There are 10 known substitutes for 4820-01-445-6954: 2530-00-288-6169, 5360-00-317-3377, 1650-00-345-4634 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 20919?

Key specifications for 20919: End Item Identification: 4820-01-041-3148; Material: STEEL CORROSION RESISTING. 2 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4820-01-445-6954 still in active supply?

NSN 4820-01-445-6954 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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