PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

ASTM-D-2240Tester,material Hardness

Schultes Precision Mfg Inc Rex Gauge Div · NSN 6635-01-530-7747 · FSC 6635 · No Item Name Available
Verified by PartsTable
NSN 6635-01-530-7747 — this item is cataloged by the U.S. Government under National Stock Number 6635-01-530-7747. Primary manufacturer part number: ASTM-D-2240.
Features
  • Tester,material Hardness — FSC 6635
  • Installation Design: PORTABLE
  • Indicator Design: DIRECT READING
  • Carrying Case: NOT PROVIDED
  • Indicator Type: CIRCULAR DIAL
  • Test Type: DUROMETER
  • Indicator Reading Type: SINGLE
  • Usage Design: EXTERNAL
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Tester,material Hardness, cataloged under National Stock Number 6635-01-530-7747, is classified within Federal Supply Class 6635 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Schultes Precision Mfg Inc Rex Gauge Div. Government technical data includes 7 verified specifications, 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. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6635-01-530-7747
Primary Part NumberASTM-D-2240
Item NameTester,material Hardness
FSC / FSG6635 / 66 — No Item Name Available
ManufacturerSchultes Precision Mfg Inc Rex Gauge Div
StatusACTIVE
Installation DesignPORTABLE
Indicator DesignDIRECT READING
Carrying CaseNOT PROVIDED
Indicator TypeCIRCULAR DIAL
Test TypeDUROMETER
Indicator Reading TypeSINGLE
Usage DesignEXTERNAL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
6635-01-172-036370200 INTERCHANGEABLE
Tester,material Hardness
Shore Instrument and Mfg Co Inc Sub of High Voltage Engineering Corp
Cross-Reference Index
Part NumberManufacturer
ASTM-D-2240 PRIMARY Schultes Precision Mfg Inc Rex Gauge Div (USA)
RDC-1 Schultes Precision Mfg Inc Rex Gauge Div (USA)
Related Parts
6635-01-172-0363INTERCHANGEABLE
TESTER,MATERIAL HARDNESS
70200

Frequently Asked Questions

What is NSN 6635-01-530-7747?

NSN 6635-01-530-7747 is a Tester,material Hardness, manufactured by Schultes Precision Mfg Inc Rex Gauge Div, classified under FSC 6635 (No Item Name Available). Status: active.

What are the part numbers for NSN 6635-01-530-7747?

NSN 6635-01-530-7747 has 2 cross-referenced part numbers: ASTM-D-2240 (Schultes Precision Mfg Inc Rex Gauge Div), RDC-1 (Schultes Precision Mfg Inc Rex Gauge Div).

What NSN replaces 6635-01-530-7747?

There is 1 known substitute for 6635-01-530-7747: 6635-01-172-0363. Verify interchangeability with system specifications before substitution.

What are the specifications of ASTM-D-2240?

Key specifications for ASTM-D-2240: Installation Design: PORTABLE; Special Features: THIS TEST METHOD IS BASED ON THE PENETRATION OF A SPECIFIC TYPE OF INDENTOR WHEN FORCED INTO THE MATERIAL UNDER SPECIFIED CONDITIONS; Part Name Assigned by Controlling Agency: RUBBER PROPERTY-DUROMETER HARDNESS; Indicator Design: DIRECT READING. 9 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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