PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

60028Guide,valve Stem

Textron Lycoming Inc Williamsport Plant · NSN 2810-00-811-6914 · FSC 2810 · No Item Name Available
Verified by PartsTable
NSN 2810-00-811-6914 — this item is cataloged by the U.S. Government under National Stock Number 2810-00-811-6914. Primary manufacturer part number: 60028.
Features
  • Guide,valve Stem — FSC 2810
  • Bore Countersink: INCLUDED
  • Countersink Angle in Deg: 60.0
  • Bb End Chamfer Length: 0.030 INCHES NOMINAL IN
  • Major Diameter Length: 0.085 INCHES MINIMUM AND 0.095 INCHES MAXIMUM IN
  • Outside Diameter: 0.813 INCHES NOMINAL IN
  • Bb End Chamfer Angle in Deg: 45.0
  • Length From Aa End to Largest Diameter Face: 1.560 INCHES NOMINAL IN
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Copper Alloy construction
General Description

The Guide,valve Stem, cataloged under National Stock Number 2810-00-811-6914, is classified within Federal Supply Class 2810 (No Item Name Available) of the Engines, Turbines, and Components group. The primary manufacturer of record is Textron Lycoming Inc Williamsport Plant. Government technical data includes 21 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. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN2810-00-811-6914
Primary Part Number60028
Item NameGuide,valve Stem
FSC / FSG2810 / 28 — No Item Name Available
ManufacturerTextron Lycoming Inc Williamsport Plant
StatusCANCELLED
Bore CountersinkINCLUDED
Countersink Angle in Deg60.0
Bb End Chamfer Length0.030 INCHES NOMINAL IN
Major Diameter Length0.085 INCHES MINIMUM AND 0.095 INCHES MAXIMUM IN
Outside Diameter0.813 INCHES NOMINAL IN
Bb End Chamfer Angle in Deg45.0
Length From Aa End to Largest Diameter Face1.560 INCHES NOMINAL IN
MaterialCOPPER ALLOY
Countersink Diameter0.420 INCHES NOMINAL IN
Aa End Chamfer Angle in Deg45.0
Bore Diameter0.3950 INCHES MINIMUM AND 0.3970 INCHES MAXIMUM IN
Shoulder First Fillet Radius0.020 INCHES NOMINAL IN
Aa End Diameter0.5933 INCHES MINIMUM AND 0.5938 INCHES MAXIMUM IN
Shoulder Second Fillet Radius0.020 INCHES NOMINAL IN
Style DesignatorPLAIN-SHOULDERED
Material Document and ClassificationLYCOMING-SPENCER DIV OF AVCO,LUMEN NO. 48 MFR REF SINGLE MATERIAL RESPONSE
Bore CounterboreNOT INCLUDED
Countersink LocationBB END
Metallic Hardness Rating80.0 MINIMUM ROCKWELL F
Aa End Chamfer Length0.020 INCHES NOMINAL IN
Bb End Shank Diameter0.590 INCHES MINIMUM AND 0.600 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 8
5340-00-112-789360028 INTERCHANGEABLE
Strap,retaining
Southern Automotive Wholesalers, Inc
5930-00-373-387060028 INTERCHANGEABLE
Boot
Multi-Flex Seals Inc
3455-00-531-132719636 INTERCHANGEABLE
Reamer,machine
Brown & Sharpe, Inc. Div Precision Measuring Instruments, Tesa Usa
2915-00-540-093160-029 INTERCHANGEABLE
Pump,submerged,aircraft
Hydro-Aire Aerospace Corp
5950-00-898-020060028 INTERCHANGEABLE
Transformer,audio Frequency
Dynalec Corporation
4730-01-057-0545120-01833-004 INTERCHANGEABLE
Elbow,pipe to Tube
Aqua-Chem, Inc. Dba Aqua-Chem Inc
5961-01-114-302060028 INTERCHANGEABLE
Transistor
U S Dept of Transportation Federal Aviation Administration
5340-01-249-678660090 INTERCHANGEABLE
Catch,flush
Cambro Manufacturing Company Dba Cambro Manufacturing Co
Cross-Reference Index
Part NumberManufacturer
60028 PRIMARY Textron Lycoming Inc Williamsport Plant (USA)
60028 Honeywell International Inc. Dba Honeywell International Div Aerospace - Phoenix (USA)
Related Parts
5340-00-112-7893INTERCHANGEABLE
STRAP,RETAINING
60028
5930-00-373-3870INTERCHANGEABLE
BOOT
60028
3455-00-531-1327INTERCHANGEABLE
REAMER,MACHINE
19636
2915-00-540-0931INTERCHANGEABLE
PUMP,SUBMERGED,AIRCRAFT
60-029
5950-00-898-0200INTERCHANGEABLE
TRANSFORMER,AUDIO FREQUENCY
60028
4730-01-057-0545INTERCHANGEABLE
ELBOW,PIPE TO TUBE
120-01833-004
5961-01-114-3020INTERCHANGEABLE
TRANSISTOR
60028
5340-01-249-6786INTERCHANGEABLE
CATCH,FLUSH
60090

Frequently Asked Questions

What is NSN 2810-00-811-6914?

NSN 2810-00-811-6914 is a Guide,valve Stem, manufactured by Textron Lycoming Inc Williamsport Plant, classified under FSC 2810 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 2810-00-811-6914?

NSN 2810-00-811-6914 has 2 cross-referenced part numbers: 60028 (Textron Lycoming Inc Williamsport Plant), 60028 (Honeywell International Inc. Dba Honeywell International Div Aerospace - Phoenix).

What NSN replaces 2810-00-811-6914?

There are 8 known substitutes for 2810-00-811-6914: 5340-00-112-7893, 5930-00-373-3870, 3455-00-531-1327 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 60028?

Key specifications for 60028: Bore Countersink: INCLUDED; Countersink Angle in Deg: 60.0; Bb End Chamfer Length: 0.030 INCHES NOMINAL IN; Major Diameter Length: 0.085 INCHES MINIMUM AND 0.095 INCHES MAXIMUM IN. 22 total characteristics are documented in the Federal Logistics Information System.

Is NSN 2810-00-811-6914 still in active supply?

NSN 2810-00-811-6914 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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