PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

K1000Tester,material Hardness

Hensoldt Optronics Gmbh · NSN 6635-00-156-5639 · FSC 6635 · No Item Name Available
Verified by PartsTable
NSN 6635-00-156-5639 — this item is cataloged by the U.S. Government under National Stock Number 6635-00-156-5639. Primary manufacturer part number: K1000.
Features
  • Tester,material Hardness — FSC 6635
  • Indicator Type: MICROMETER MEASURING MICROSCOPE
  • Usage Design: INTERNAL
  • Test Type: TUKON MICROHARDNESS
  • Carrying Case: NOT PROVIDED
  • Installation Design: BENCH
  • 4 verified cross-references
  • Primary manufacturer: Hensoldt Optronics Gmbh
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Tester,material Hardness, cataloged under National Stock Number 6635-00-156-5639, is classified within Federal Supply Class 6635 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Hensoldt Optronics Gmbh. Government technical data includes 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 2 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
NSN6635-00-156-5639
Primary Part NumberK1000
Item NameTester,material Hardness
FSC / FSG6635 / 66 — No Item Name Available
ManufacturerHensoldt Optronics Gmbh
StatusACTIVE
Indicator TypeMICROMETER MEASURING MICROSCOPE
Usage DesignINTERNAL
Test TypeTUKON MICROHARDNESS
Carrying CaseNOT PROVIDED
Installation DesignBENCH
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
2920-00-678-0478K1000 INTERCHANGEABLE
Parts Kit,electrical Engine Star
Renk America Llc Div Renk America
4910-01-100-4984143001 INTERCHANGEABLE
Hoist,tire
Fulton Performance Products Inc
6625-01-175-1978D-1000 INTERCHANGEABLE
Test Set,television
Davidson Optronics Inc. Dba Doi Venture
5895-01-466-9923 INTERCHANGEABLE
Keyboard,data Entry
1290-01-531-3062K1000 INTERCHANGEABLE
Modification Kit,fire Control Eq
Kemco Tool and Machine Co, Inc Dba Kemco Aerospace Manufacturing Co
1385-01-570-2818K1000 INTERCHANGEABLE
Parts Kit,explosive Ordnance Dis
Ideal Products Inc.
5180-01-586-1897K-1000 INTERCHANGEABLE
Tool Kit,metal Worker's
Fastening Systems International
Cross-Reference Index
Part NumberManufacturer
K1000 Hensoldt Optronics Gmbh (DEU)
K1000 Hensoldt Optronics Gmbh - Standort Wetzlar- (DEU)
60-366-002 Hensoldt Optronics Gmbh (DEU)
60-366-002 Hensoldt Optronics Gmbh - Standort Wetzlar- (DEU)
Related Parts
2920-00-678-0478INTERCHANGEABLE
PARTS KIT,ELECTRICAL ENGINE STAR
K1000
4910-01-100-4984INTERCHANGEABLE
HOIST,TIRE
143001
6625-01-175-1978INTERCHANGEABLE
TEST SET,TELEVISION
D-1000
5895-01-466-9923INTERCHANGEABLE
KEYBOARD,DATA ENTRY
1290-01-531-3062INTERCHANGEABLE
MODIFICATION KIT,FIRE CONTROL EQ
K1000
1385-01-570-2818INTERCHANGEABLE
PARTS KIT,EXPLOSIVE ORDNANCE DIS
K1000
5180-01-586-1897INTERCHANGEABLE
TOOL KIT,METAL WORKER'S
K-1000

Frequently Asked Questions

What is NSN 6635-00-156-5639?

NSN 6635-00-156-5639 is a Tester,material Hardness, manufactured by Hensoldt Optronics Gmbh, classified under FSC 6635 (No Item Name Available). Status: active.

What are the part numbers for NSN 6635-00-156-5639?

NSN 6635-00-156-5639 has 4 cross-referenced part numbers: K1000 (Hensoldt Optronics Gmbh), K1000 (Hensoldt Optronics Gmbh - Standort Wetzlar-), 60-366-002 (Hensoldt Optronics Gmbh), 60-366-002 (Hensoldt Optronics Gmbh - Standort Wetzlar-).

What NSN replaces 6635-00-156-5639?

There are 7 known substitutes for 6635-00-156-5639: 2920-00-678-0478, 4910-01-100-4984, 6625-01-175-1978 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of K1000?

Key specifications for K1000: Indicator Type: MICROMETER MEASURING MICROSCOPE; Usage Design: INTERNAL; Test Type: TUKON MICROHARDNESS; Carrying Case: NOT PROVIDED. 5 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