PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4F6949Guide,valve Stem

Caterpillar Inc Div Caterpillar Defense · NSN 2815-00-349-4323 · FSC 2815 · No Item Name Available
Verified by PartsTable
NSN 2815-00-349-4323 — this item is cataloged by the U.S. Government under National Stock Number 2815-00-349-4323. Primary manufacturer part number: 4F6949.
Features
  • Guide,valve Stem — FSC 2815
  • Style Designator: PLAIN-SHOULDERED
  • Bb End Shank Diameter: 0.812 INCHES NOMINAL IN
  • Major Diameter Length: 0.188 INCHES NOMINAL IN
  • Bb End Chamfer Length: 0.062 INCHES NOMINAL IN
  • Bore Countersink: NOT INCLUDED
  • Aa End Chamfer Length: 0.062 INCHES NOMINAL IN
  • Length From Aa End to Largest Diameter Face: 1.500 INCHES NOMINAL IN
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Steel construction
General Description

The Guide,valve Stem, cataloged under National Stock Number 2815-00-349-4323, is classified within Federal Supply Class 2815 (No Item Name Available) of the Engines, Turbines, and Components group. The primary manufacturer of record is Caterpillar Inc Div Caterpillar Defense. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN2815-00-349-4323
Primary Part Number4F6949
Item NameGuide,valve Stem
FSC / FSG2815 / 28 — No Item Name Available
ManufacturerCaterpillar Inc Div Caterpillar Defense
StatusACTIVE
Style DesignatorPLAIN-SHOULDERED
Bb End Shank Diameter0.812 INCHES NOMINAL IN
Major Diameter Length0.188 INCHES NOMINAL IN
Bb End Chamfer Length0.062 INCHES NOMINAL IN
Bore CountersinkNOT INCLUDED
Aa End Chamfer Length0.062 INCHES NOMINAL IN
Length From Aa End to Largest Diameter Face1.500 INCHES NOMINAL IN
Aa End Diameter0.812 INCHES NOMINAL IN
Shoulder Second Fillet Radius0.031 INCHES NOMINAL IN
Bore CounterboreNOT INCLUDED
MaterialSTEEL
Outside Diameter1.062 INCHES NOMINAL IN
Bore Diameter0.4375 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5962-01-083-5993 INTERCHANGEABLE
Microcircuit,digital
Cross-Reference Index
Part NumberManufacturer
IPD4F6949 Industrial Parts Depot, Llc Dba Ipd (USA)
4F6949 PRIMARY Caterpillar Inc Div Caterpillar Defense (USA)
G711 Eaton Corp Dba Eaton Aerospace Jackson (USA)
Related Parts
5962-01-083-5993INTERCHANGEABLE
MICROCIRCUIT,DIGITAL

Frequently Asked Questions

What is NSN 2815-00-349-4323?

NSN 2815-00-349-4323 is a Guide,valve Stem, manufactured by Caterpillar Inc Div Caterpillar Defense, classified under FSC 2815 (No Item Name Available). Status: active.

What are the part numbers for NSN 2815-00-349-4323?

NSN 2815-00-349-4323 has 3 cross-referenced part numbers: IPD4F6949 (Industrial Parts Depot, Llc Dba Ipd), 4F6949 (Caterpillar Inc Div Caterpillar Defense), G711 (Eaton Corp Dba Eaton Aerospace Jackson).

What NSN replaces 2815-00-349-4323?

There is 1 known substitute for 2815-00-349-4323: 5962-01-083-5993. Verify interchangeability with system specifications before substitution.

What are the specifications of 4F6949?

Key specifications for 4F6949: Style Designator: PLAIN-SHOULDERED; Bb End Shank Diameter: 0.812 INCHES NOMINAL IN; Major Diameter Length: 0.188 INCHES NOMINAL IN; Bb End Chamfer Length: 0.062 INCHES NOMINAL IN. 14 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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