PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

94176Tester,material Hardness

Illinois Tool Works Inc Dba Illinois Tool Works Inc Div Instron, a Division of Illinois Tool Works, Inc. · NSN 6635-00-805-6125 · FSC 6635 · No Item Name Available
Verified by PartsTable
NSN 6635-00-805-6125 — this item is cataloged by the U.S. Government under National Stock Number 6635-00-805-6125. Primary manufacturer part number: 94176.
Features
  • Tester,material Hardness — FSC 6635
  • Carrying Case: PROVIDED
  • Installation Design: PORTABLE
  • Test Type: ROCKWELL
  • Indicator Reading Type: SINGLE
  • Indicator Type: CIRCULAR DIAL
  • Horizontal Reach: 3.300 INCHES IN
  • 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 6635-00-805-6125, is classified within Federal Supply Class 6635 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Illinois Tool Works Inc Dba Illinois Tool Works Inc Div Instron, a Division of Illinois Tool Works, Inc.. Government technical data includes 10 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6635-00-805-6125
Primary Part Number94176
Item NameTester,material Hardness
FSC / FSG6635 / 66 — No Item Name Available
ManufacturerIllinois Tool Works Inc Dba Illinois Tool Works Inc Div Instron, a Division of Illinois Tool Works, Inc.
StatusACTIVE
Carrying CasePROVIDED
Installation DesignPORTABLE
Test TypeROCKWELL
Indicator Reading TypeSINGLE
Indicator TypeCIRCULAR DIAL
Horizontal Reach3.300 INCHES IN
Usage DesignEXTERNAL
Accessory Components and QuantityFLAT ANVIL 1, STD TEST HEAD 1, MANUAL 1
Vertical Capacity6.300 INCHES IN
Indicator DesignDIRECT READING
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5998-00-122-643694176 INTERCHANGEABLE
Circuit Card Assembly
L3 Technologies, Inc. Div L3harris Edo Western Corporation
5120-00-240-141840981 INTERCHANGEABLE
Handle,socket Wrench
S K Hand Tool Corp
2320-00-289-9094 INTERCHANGEABLE
Truck,dump
5910-00-329-5938917-0005-010 INTERCHANGEABLE
Capacitor,variable,ceramic Diele
Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems
5905-00-500-6555956018-61 INTERCHANGEABLE
Resistor,fixed,wire Wound
Raytheon Company Dba Raytheon
5905-00-502-9738956018-84 INTERCHANGEABLE
Resistor,fixed,wire Wound,induct
Raytheon Company Dba Raytheon
5930-00-549-0158B3221-5 INTERCHANGEABLE
Switch,thermostatic
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple
2915-00-620-822894176 INTERCHANGEABLE
Plug,rotor Seal
Triumph Engine Control Systems Llc
2320-00-835-83368358336 INTERCHANGEABLE
Truck,dump
U S Army Tank Automotive Command Amsta-Im-Mm
2320-00-835-83378358337 INTERCHANGEABLE
Truck,dump
U S Army Tank Automotive Command Amsta-Im-Mm
Cross-Reference Index
Part NumberManufacturer
94100 Page-Wilson Corp Measurement Systems (USA)
94176 PRIMARY Illinois Tool Works Inc Dba Illinois Tool Works Inc Div Instron, a Division of Illinois Tool Works, Inc. (USA)
M-51 Illinois Tool Works Inc Dba Illinois Tool Works Inc Div Instron, a Division of Illinois Tool Works, Inc. (USA)
M1 Page-Wilson Corp Measurement Systems (USA)
Related Parts
5998-00-122-6436INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
94176
5120-00-240-1418INTERCHANGEABLE
HANDLE,SOCKET WRENCH
40981
2320-00-289-9094INTERCHANGEABLE
TRUCK,DUMP
5910-00-329-5938INTERCHANGEABLE
CAPACITOR,VARIABLE,CERAMIC DIELE
917-0005-010
5905-00-500-6555INTERCHANGEABLE
RESISTOR,FIXED,WIRE WOUND
956018-61
5905-00-502-9738INTERCHANGEABLE
RESISTOR,FIXED,WIRE WOUND,INDUCT
956018-84
5930-00-549-0158INTERCHANGEABLE
SWITCH,THERMOSTATIC
B3221-5
2915-00-620-8228INTERCHANGEABLE
PLUG,ROTOR SEAL
94176
2320-00-835-8336INTERCHANGEABLE
TRUCK,DUMP
8358336
2320-00-835-8337INTERCHANGEABLE
TRUCK,DUMP
8358337
2320-00-835-8527INTERCHANGEABLE
TRUCK,DUMP
2320-00-835-8528INTERCHANGEABLE
TRUCK,DUMP

Frequently Asked Questions

What is NSN 6635-00-805-6125?

NSN 6635-00-805-6125 is a Tester,material Hardness, manufactured by Illinois Tool Works Inc Dba Illinois Tool Works Inc Div Instron, a Division of Illinois Tool Works, Inc., classified under FSC 6635 (No Item Name Available). Status: active.

What are the part numbers for NSN 6635-00-805-6125?

NSN 6635-00-805-6125 has 4 cross-referenced part numbers: 94100 (Page-Wilson Corp Measurement Systems), 94176 (Illinois Tool Works Inc Dba Illinois Tool Works Inc Div Instron, a Division of Illinois Tool Works, Inc.), M-51 (Illinois Tool Works Inc Dba Illinois Tool Works Inc Div Instron, a Division of Illinois Tool Works, Inc.), M1 (Page-Wilson Corp Measurement Systems).

What NSN replaces 6635-00-805-6125?

There are 12 known substitutes for 6635-00-805-6125: 5998-00-122-6436, 5120-00-240-1418, 2320-00-289-9094 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 94176?

Key specifications for 94176: End Item Identification: USED ON SPECIAL AIRCRAFT AND ENGINE TOOL AND SUPPORT EQUIPMENT/PARTS; Special Features: WEIGHT 17 LBS, C-CLAMP STYLE LBS; Carrying Case: PROVIDED; Installation Design: PORTABLE. 12 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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