PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

23158-100Guide,valve Stem

Grove Valve Operations · NSN 4820-00-767-6503 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-767-6503 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-767-6503. Primary manufacturer part number: 23158-100.
Features
  • Guide,valve Stem — FSC 4820
  • Outside Diameter: 1.000 INCHES NOMINAL IN
  • Material: STEEL CORROSION RESISTING
  • 6 verified cross-references
  • Primary manufacturer: Grove Valve Operations
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 4820-00-767-6503, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Grove Valve Operations. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4820-00-767-6503
Primary Part Number23158-100
Item NameGuide,valve Stem
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerGrove Valve Operations
StatusCANCELLED
Outside Diameter1.000 INCHES NOMINAL IN
MaterialSTEEL CORROSION RESISTING
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 5
3020-00-265-77495491 INTERCHANGEABLE
Gear,helical
Eaton Corp Transmission Div
4310-00-288-9010 INTERCHANGEABLE
Vacuum Pump Unit,rotary
3120-00-781-7261107R3562-1 INTERCHANGEABLE
Bushing,sleeve
Delta Machine and Tool Company, Inc.
5360-01-050-53088482116-3 INTERCHANGEABLE
Spring,helical,extension
L3 Technologies, Inc. Div Communication Systems-East
4820-01-398-9842 INTERCHANGEABLE
Guide,valve Stem
Cross-Reference Index
Part NumberManufacturer
N-781 Grove Valve Operations (USA)
23158-1 Grove Valve Operations (USA)
CD101PCLN13 Grove Valve Operations (USA)
N781PC18 Grove Valve Operations (USA)
408428-5 Naval Air Warfare Center Aircraft Division Joint Base Jbmdl (USA)
23158-100 PRIMARY Grove Valve Operations (USA)
Related Parts
3020-00-265-7749INTERCHANGEABLE
GEAR,HELICAL
5491
4310-00-288-9010INTERCHANGEABLE
VACUUM PUMP UNIT,ROTARY
3120-00-781-7261INTERCHANGEABLE
BUSHING,SLEEVE
107R3562-1
5360-01-050-5308INTERCHANGEABLE
SPRING,HELICAL,EXTENSION
8482116-3
4820-01-398-9842INTERCHANGEABLE
GUIDE,VALVE STEM

Frequently Asked Questions

What is NSN 4820-00-767-6503?

NSN 4820-00-767-6503 is a Guide,valve Stem, manufactured by Grove Valve Operations, classified under FSC 4820 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4820-00-767-6503?

NSN 4820-00-767-6503 has 6 cross-referenced part numbers: N-781 (Grove Valve Operations), 23158-1 (Grove Valve Operations), CD101PCLN13 (Grove Valve Operations), N781PC18 (Grove Valve Operations), 408428-5 (Naval Air Warfare Center Aircraft Division Joint Base Jbmdl) and 1 more.

What NSN replaces 4820-00-767-6503?

There are 5 known substitutes for 4820-00-767-6503: 3020-00-265-7749, 4310-00-288-9010, 3120-00-781-7261 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 23158-100?

Key specifications for 23158-100: Outside Diameter: 1.000 INCHES NOMINAL IN; Material: STEEL CORROSION RESISTING. 2 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4820-00-767-6503 still in active supply?

NSN 4820-00-767-6503 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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