PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

5966Tester,material Strength

Illinois Tool Works Inc Dba Illinois Tool Works Inc Div Instron, a Division of Illinois Tool Works, Inc. · NSN 6635-01-594-8437 · FSC 6635 · No Item Name Available
Verified by PartsTable
NSN 6635-01-594-8437 — this item is cataloged by the U.S. Government under National Stock Number 6635-01-594-8437. Primary manufacturer part number: 5966.
Features
  • Tester,material Strength — FSC 6635
  • Mounting Method: TABLE
  • 1 verified cross-reference
  • Primary manufacturer: Illinois Tool Works Inc Dba Illinois Tool Works Inc Div Instron, a Division of Illinois Tool Works, Inc.
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Tester,material Strength, cataloged under National Stock Number 6635-01-594-8437, 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 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6635-01-594-8437
Primary Part Number5966
Item NameTester,material Strength
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
Mounting MethodTABLE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
3120-00-030-0821 INTERCHANGEABLE
Bearing,sleeve
5330-00-141-4920 INTERCHANGEABLE
Seal,plain Encased
2530-00-353-2119 INTERCHANGEABLE
Wheel
6115-00-474-3553 INTERCHANGEABLE
Brace Cowling
5905-00-917-1387738342-221 INTERCHANGEABLE
Resistor,variable,nonwire Wound,
Lockheed Martin Corporation Div Rms - Mitchel Field
5962-01-014-0498247AS-C1687-001 INTERCHANGEABLE
Microcircuit,linear
Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier
5307-01-227-49023A4549 INTERCHANGEABLE
Stud,plain
Link-Belt Cranes, L.p., Lllp
6515-01-419-21095966 INTERCHANGEABLE
Lancet,finger Bleeding
Bayer Corp Diagnostics Div
6520-01-560-2615 INTERCHANGEABLE
Syringe,dental Impression and Ir
Cross-Reference Index
Part NumberManufacturer
5966 PRIMARY Illinois Tool Works Inc Dba Illinois Tool Works Inc Div Instron, a Division of Illinois Tool Works, Inc. (USA)
Related Parts
3120-00-030-0821INTERCHANGEABLE
BEARING,SLEEVE
5330-00-141-4920INTERCHANGEABLE
SEAL,PLAIN ENCASED
2530-00-353-2119INTERCHANGEABLE
WHEEL
6115-00-474-3553INTERCHANGEABLE
BRACE COWLING
5905-00-917-1387INTERCHANGEABLE
RESISTOR,VARIABLE,NONWIRE WOUND,
738342-221
5962-01-014-0498INTERCHANGEABLE
MICROCIRCUIT,LINEAR
247AS-C1687-001
5307-01-227-4902INTERCHANGEABLE
STUD,PLAIN
3A4549
6515-01-419-2109INTERCHANGEABLE
LANCET,FINGER BLEEDING
5966
6520-01-560-2615INTERCHANGEABLE
SYRINGE,DENTAL IMPRESSION AND IR

Frequently Asked Questions

What is NSN 6635-01-594-8437?

NSN 6635-01-594-8437 is a Tester,material Strength, 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 6635-01-594-8437?

NSN 6635-01-594-8437 has 1 cross-referenced part number: 5966 (Illinois Tool Works Inc Dba Illinois Tool Works Inc Div Instron, a Division of Illinois Tool Works, Inc.).

What NSN replaces 6635-01-594-8437?

There are 9 known substitutes for 6635-01-594-8437: 3120-00-030-0821, 5330-00-141-4920, 2530-00-353-2119 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 5966?

Key specifications for 5966: Special Features: LOAD ACCURACY RATING; CONTROL PANEL WITH LIVE DISPLAY; SOFT KEYS AND SPECIMEN PROTECT; HIGH-STIFFNESS AND PRECISION ALIGNMENT; INDUSTRY STANDARD ETHERNET INTERFACE; ALL DIGITAL ELECTRONICS; Mounting Method: TABLE. 2 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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