PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

B-26Lapping Machine,quartz Crystal

Mk Diamond Products, Inc. · NSN 3635-01-064-1820 · FSC 3635 · No Item Name Available
Verified by PartsTable
NSN 3635-01-064-1820 — this item is cataloged by the U.S. Government under National Stock Number 3635-01-064-1820. Primary manufacturer part number: B-26.
Features
  • Lapping Machine,quartz Crystal — FSC 3635
  • General Characteristics Item Description: COMPLETE W/1/3 HP MOTOR AND SWITCH; STEP PULLEY FOR MULTIPLE SPEEDS; DRUMS 8 IN. BY 3 IN.; WET BEAT 41-1/2 IN. LG; BELT ADJUSTER; GUARDS AND PANS; ADJUSTABLE WATER SPIGOT; MOTOR MOUNT IN REAR OF MACHINE; 10 IN. DISC POLISHER COVERED WITH LEATHER IN
  • 2 verified cross-references
  • Primary manufacturer: Mk Diamond Products, Inc.
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Lapping Machine,quartz Crystal, cataloged under National Stock Number 3635-01-064-1820, is classified within Federal Supply Class 3635 (No Item Name Available) of the Special Industry Machinery group. The primary manufacturer of record is Mk Diamond Products, Inc.. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3635-01-064-1820
Primary Part NumberB-26
Item NameLapping Machine,quartz Crystal
FSC / FSG3635 / 36 — No Item Name Available
ManufacturerMk Diamond Products, Inc.
StatusACTIVE
General Characteristics Item DescriptionCOMPLETE W/1/3 HP MOTOR AND SWITCH; STEP PULLEY FOR MULTIPLE SPEEDS; DRUMS 8 IN. BY 3 IN.; WET BEAT 41-1/2 IN. LG; BELT ADJUSTER; GUARDS AND PANS; ADJUSTABLE WATER SPIGOT; MOTOR MOUNT IN REAR OF MACHINE; 10 IN. DISC POLISHER COVERED WITH LEATHER IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5305-00-012-1871 INTERCHANGEABLE
Screw,cap,hexagon Head
5905-00-023-7532 INTERCHANGEABLE
Resistor,variable,nonwire Wound,
6920-00-267-9959B26 INTERCHANGEABLE
Target,silhouette
National Target Company, Inc.
6680-00-394-7339B26 INTERCHANGEABLE
Tip Assembly,tachometer
Schulze Mfg., Inc.
5330-00-460-2667B2-6 INTERCHANGEABLE
Gasket
Kerotest Manufacturing Corp.
5950-00-477-0915 INTERCHANGEABLE
Transformer,radio Frequency
4730-00-490-9076B2-6 INTERCHANGEABLE
Flare Gasket
Superior Valve Co
3110-00-555-5339 INTERCHANGEABLE
Bearing,ball,annular
6605-00-718-2029 INTERCHANGEABLE
Computer,navigational
4920-00-927-6984B26 INTERCHANGEABLE
Air Nozzle,fuel
Stahl, Inc
Cross-Reference Index
Part NumberManufacturer
B-26 Mk Diamond Products, Inc. (USA)
12187-1 Mk Diamond Products, Inc. (USA)
Related Parts
5305-00-012-1871INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
5905-00-023-7532INTERCHANGEABLE
RESISTOR,VARIABLE,NONWIRE WOUND,
6920-00-267-9959INTERCHANGEABLE
TARGET,SILHOUETTE
B26
6680-00-394-7339INTERCHANGEABLE
TIP ASSEMBLY,TACHOMETER
B26
5330-00-460-2667INTERCHANGEABLE
GASKET
B2-6
5950-00-477-0915INTERCHANGEABLE
TRANSFORMER,RADIO FREQUENCY
4730-00-490-9076INTERCHANGEABLE
FLARE GASKET
B2-6
3110-00-555-5339INTERCHANGEABLE
BEARING,BALL,ANNULAR
6605-00-718-2029INTERCHANGEABLE
COMPUTER,NAVIGATIONAL
4920-00-927-6984INTERCHANGEABLE
AIR NOZZLE,FUEL
B26
3030-01-061-6620INTERCHANGEABLE
BELT,V
B26
5977-01-417-2029INTERCHANGEABLE
BRUSH,GRINDING,POLI
B26

Frequently Asked Questions

What is NSN 3635-01-064-1820?

NSN 3635-01-064-1820 is a Lapping Machine,quartz Crystal, manufactured by Mk Diamond Products, Inc., classified under FSC 3635 (No Item Name Available). Status: active.

What are the part numbers for NSN 3635-01-064-1820?

NSN 3635-01-064-1820 has 2 cross-referenced part numbers: B-26 (Mk Diamond Products, Inc.), 12187-1 (Mk Diamond Products, Inc.).

What NSN replaces 3635-01-064-1820?

There are 12 known substitutes for 3635-01-064-1820: 5305-00-012-1871, 5905-00-023-7532, 6920-00-267-9959 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of B-26?

Key specifications for B-26: General Characteristics Item Description: COMPLETE W/1/3 HP MOTOR AND SWITCH; STEP PULLEY FOR MULTIPLE SPEEDS; DRUMS 8 IN. BY 3 IN.; WET BEAT 41-1/2 IN. LG; BELT ADJUSTER; GUARDS AND PANS; ADJUSTABLE WATER SPIGOT; MOTOR MOUNT IN REAR OF MACHINE; 10 IN. DISC POLISHER COVERED WITH LEATHER IN. 1 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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