PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

R30Tappet,engine Poppet Valve

Hatch & Kirk, Inc. · NSN 2815-00-355-1645 · FSC 2815 · No Item Name Available
Verified by PartsTable
NSN 2815-00-355-1645 — this item is cataloged by the U.S. Government under National Stock Number 2815-00-355-1645. Primary manufacturer part number: R30.
Features
  • Tappet,engine Poppet Valve — FSC 2815
  • Casehardening Indicator: CASEHARDENED
  • Distance From Body Hole Center to Cam End: 0.531 INCHES NOMINAL IN
  • Operation Method: MECHANICAL
  • Metallic Hardness Rating and Location: 53.5 ROCKWELL C MINIMUM OVERALL
  • Cam End Diameter: 1.24825 INCHES MINIMUM AND 1.24850 INCHES MAXIMUM IN
  • Adjustability: NONADJUSTABLE
  • Material: STEEL OVERALL
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Mechanical power generation
  • Drive system operation
General Description

The Tappet,engine Poppet Valve, cataloged under National Stock Number 2815-00-355-1645, is classified within Federal Supply Class 2815 (No Item Name Available) of the Engines, Turbines, and Components group. The primary manufacturer of record is Hatch & Kirk, Inc.. Government technical data includes 12 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. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN2815-00-355-1645
Primary Part NumberR30
Item NameTappet,engine Poppet Valve
FSC / FSG2815 / 28 — No Item Name Available
ManufacturerHatch & Kirk, Inc.
StatusACTIVE
Casehardening IndicatorCASEHARDENED
Distance From Body Hole Center to Cam End0.531 INCHES NOMINAL IN
Operation MethodMECHANICAL
Metallic Hardness Rating and Location53.5 ROCKWELL C MINIMUM OVERALL
Cam End Diameter1.24825 INCHES MINIMUM AND 1.24850 INCHES MAXIMUM IN
AdjustabilityNONADJUSTABLE
MaterialSTEEL OVERALL
Size DesignationSTANDARD
Metallic Hardness Rating and Location59.0 ROCKWELL C MAXIMUM OVERALL
Concentric Hole Depth2.875 INCHES NOMINAL IN
Concentric Hole Diameter1.062 INCHES NOMINAL IN
Casehardened LocationOVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
4240-00-106-9786R30 INTERCHANGEABLE
Filter,respirator,air Filtering
Square D Co Monroe Plant
5999-01-005-9548R30 INTERCHANGEABLE
Contact,electrical
Vector Electronics & Technology Inc
3455-01-044-6359SR-30 INTERCHANGEABLE
Cutter,milling,end
Quinco Tool Products Co Inc
4330-01-217-4366R30 INTERCHANGEABLE
Filter Element,fluid
United States Filters Plymouth Products Div
3990-01-232-0880R-30 INTERCHANGEABLE
Binder,load
Ratcliff Hoist Co
6230-01-424-6367R30 INTERCHANGEABLE
Reflector,light
Laser Products
5840-01-621-7366R30 INTERCHANGEABLE
Transponder,radio
Saab Transpondertech Usa Llc
Cross-Reference Index
Part NumberManufacturer
R30 Lenard Packaging Co Inc the (USA)
R30 PRIMARY Hatch & Kirk, Inc. (USA)
R30 Berry-Hill Corp (USA)
Related Parts
4240-00-106-9786INTERCHANGEABLE
FILTER,RESPIRATOR,AIR FILTERING
R30
5999-01-005-9548INTERCHANGEABLE
CONTACT,ELECTRICAL
R30
3455-01-044-6359INTERCHANGEABLE
CUTTER,MILLING,END
SR-30
4330-01-217-4366INTERCHANGEABLE
FILTER ELEMENT,FLUID
R30
3990-01-232-0880INTERCHANGEABLE
BINDER,LOAD
R-30
6230-01-424-6367INTERCHANGEABLE
REFLECTOR,LIGHT
R30
5840-01-621-7366INTERCHANGEABLE
TRANSPONDER,RADIO
R30

Frequently Asked Questions

What is NSN 2815-00-355-1645?

NSN 2815-00-355-1645 is a Tappet,engine Poppet Valve, manufactured by Hatch & Kirk, Inc., classified under FSC 2815 (No Item Name Available). Status: active.

What are the part numbers for NSN 2815-00-355-1645?

NSN 2815-00-355-1645 has 3 cross-referenced part numbers: R30 (Lenard Packaging Co Inc the), R30 (Hatch & Kirk, Inc.), R30 (Berry-Hill Corp).

What NSN replaces 2815-00-355-1645?

There are 7 known substitutes for 2815-00-355-1645: 4240-00-106-9786, 5999-01-005-9548, 3455-01-044-6359 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of R30?

Key specifications for R30: Casehardening Indicator: CASEHARDENED; Overall Length: 4.000 INCHES NOMINAL IN; Distance From Body Hole Center to Cam End: 0.531 INCHES NOMINAL IN; Operation Method: MECHANICAL. 13 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com