PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

33261741Guide,valve Stem

Perkins Engines Co Ltd · NSN 2815-00-908-6661 · FSC 2815 · No Item Name Available
Verified by PartsTable
NSN 2815-00-908-6661 — this item is cataloged by the U.S. Government under National Stock Number 2815-00-908-6661. Primary manufacturer part number: 33261741.
Features
  • Guide,valve Stem — FSC 2815
  • Bore Counterbore: NOT INCLUDED
  • Bore Countersink: NOT INCLUDED
  • Aa End Chamfer Angle in Deg: 20.0
  • Aa End Chamfer Length: 0.100 INCHES NOMINAL IN
  • Bb End Chamfer Length: 0.063 INCHES NOMINAL IN
  • Bb End Chamfer Angle in Deg: 45.0
  • Material: STEEL
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 2815-00-908-6661, is classified within Federal Supply Class 2815 (No Item Name Available) of the Engines, Turbines, and Components group. The primary manufacturer of record is Perkins Engines Co Ltd. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN2815-00-908-6661
Primary Part Number33261741
Item NameGuide,valve Stem
FSC / FSG2815 / 28 — No Item Name Available
ManufacturerPerkins Engines Co Ltd
StatusACTIVE
Bore CounterboreNOT INCLUDED
Bore CountersinkNOT INCLUDED
Aa End Chamfer Angle in Deg20.0
Aa End Chamfer Length0.100 INCHES NOMINAL IN
Bb End Chamfer Length0.063 INCHES NOMINAL IN
Bb End Chamfer Angle in Deg45.0
MaterialSTEEL
Style DesignatorPLAIN
Outside Diameter0.501 INCHES NOMINAL IN
Bore Diameter0.3150 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
3020-00-496-131312629 INTERCHANGEABLE
Gear,spur
Garwood/feller Inc Garwood Winch Div
5950-00-528-89241M154-1 INTERCHANGEABLE
Transformer,power
Northrop Grumman Corp Electronic Systems Defensive System Div
5360-00-786-807812629 INTERCHANGEABLE
Spring,helical,compression
Stanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems
5315-01-171-6258126-29 INTERCHANGEABLE
Key,woodruff
Cnh Industrial America Llc Dba Cnh America
6150-01-174-474812629 INTERCHANGEABLE
Cable Assembly,special Purpose,e
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp
6240-01-344-478252554 INTERCHANGEABLE
Lamp,incandescent
Osram Sylvania Inc
4810-01-517-5524 INTERCHANGEABLE
Valve Assembly,manifold
Cross-Reference Index
Part NumberManufacturer
12629 Westerbeke Corporation (USA)
33261741 PRIMARY Perkins Engines Co Ltd (GBR)
33261741 Perkins Engines Inc (USA)
3313E001 Perkins Engines Inc (USA)
33261741 Service Sales of Pittsburgh (USA)
3313E735 PRIMARY Perkins Engines Inc (USA)
Related Parts
3020-00-496-1313INTERCHANGEABLE
GEAR,SPUR
12629
5950-00-528-8924INTERCHANGEABLE
TRANSFORMER,POWER
1M154-1
5360-00-786-8078INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
12629
5315-01-171-6258INTERCHANGEABLE
KEY,WOODRUFF
126-29
6150-01-174-4748INTERCHANGEABLE
CABLE ASSEMBLY,SPECIAL PURPOSE,E
12629
6240-01-344-4782INTERCHANGEABLE
LAMP,INCANDESCENT
52554
4810-01-517-5524INTERCHANGEABLE
VALVE ASSEMBLY,MANIFOLD

Frequently Asked Questions

What is NSN 2815-00-908-6661?

NSN 2815-00-908-6661 is a Guide,valve Stem, manufactured by Perkins Engines Co Ltd, classified under FSC 2815 (No Item Name Available). Status: active.

What are the part numbers for NSN 2815-00-908-6661?

NSN 2815-00-908-6661 has 6 cross-referenced part numbers: 12629 (Westerbeke Corporation), 33261741 (Perkins Engines Co Ltd), 33261741 (Perkins Engines Inc), 3313E001 (Perkins Engines Inc), 33261741 (Service Sales of Pittsburgh) and 1 more.

What NSN replaces 2815-00-908-6661?

There are 7 known substitutes for 2815-00-908-6661: 3020-00-496-1313, 5950-00-528-8924, 5360-00-786-8078 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 33261741?

Key specifications for 33261741: Bore Counterbore: NOT INCLUDED; Bore Countersink: NOT INCLUDED; Aa End Chamfer Angle in Deg: 20.0; Aa End Chamfer Length: 0.100 INCHES NOMINAL IN. 11 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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