PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

M-152Insulator,washer

Way Wolff Associates Inc · NSN 5970-01-133-3883 · FSC 5970 · No Item Name Available
Verified by PartsTable
NSN 5970-01-133-3883 — this item is cataloged by the U.S. Government under National Stock Number 5970-01-133-3883. Primary manufacturer part number: M-152.
Features
  • Insulator,washer — FSC 5970
  • Material: FIBER OVERALL
  • Style Designator: ROUND, FLAT
  • Inside Diameter: 0.438 INCHES NOMINAL IN
  • Outside Diameter: 0.562 INCHES NOMINAL IN
  • 2 verified cross-references
  • Primary manufacturer: Way Wolff Associates Inc
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Fiber Overall construction
General Description

The Insulator,washer, cataloged under National Stock Number 5970-01-133-3883, is classified within Federal Supply Class 5970 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Way Wolff Associates Inc. Government technical data includes 4 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. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5970-01-133-3883
Primary Part NumberM-152
Item NameInsulator,washer
FSC / FSG5970 / 59 — No Item Name Available
ManufacturerWay Wolff Associates Inc
StatusCANCELLED
MaterialFIBER OVERALL
Style DesignatorROUND, FLAT
Inside Diameter0.438 INCHES NOMINAL IN
Outside Diameter0.562 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 10
2910-00-126-9713002113T INTERCHANGEABLE
Guide,follower
Kovatch Corp.
5210-00-223-920533-414 INTERCHANGEABLE
Blade,thickness Gage
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple
3110-00-277-047934211 INTERCHANGEABLE
Bearing,roller,tapered
Dressta North America Ltd
6150-00-424-455774703 INTERCHANGEABLE
Lead,electrical
Cummins Power Generation Inc.
5340-00-605-9472334 1-4 INTERCHANGEABLE
Snap Hook
Buckles International, Inc.
5315-00-845-8213 INTERCHANGEABLE
Pin,straight,headless
4730-01-130-107534918 INTERCHANGEABLE
Tailpiece,union
Eaton Corporation Dba Eaton Inoac Div Eaton
5935-01-287-154911426-90162 INTERCHANGEABLE
Jackscrew,electrical Connector
Textron Systems Corporation Dba Textron Systems Corp
5998-01-308-064333414 INTERCHANGEABLE
Backplane Assembly
Electro Impulse Laboratory Inc Dba Electro Impulse Inc
5340-01-483-131033414 INTERCHANGEABLE
Cover,access
Stanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems
Cross-Reference Index
Part NumberManufacturer
M-152 PRIMARY Way Wolff Associates Inc (USA)
33414 PRIMARY Way Wolff Associates Inc (USA)
Related Parts
2910-00-126-9713INTERCHANGEABLE
GUIDE,FOLLOWER
002113T
5210-00-223-9205INTERCHANGEABLE
BLADE,THICKNESS GAGE
33-414
3110-00-277-0479INTERCHANGEABLE
BEARING,ROLLER,TAPERED
34211
6150-00-424-4557INTERCHANGEABLE
LEAD,ELECTRICAL
74703
5340-00-605-9472INTERCHANGEABLE
SNAP HOOK
334 1-4
5315-00-845-8213INTERCHANGEABLE
PIN,STRAIGHT,HEADLESS
4730-01-130-1075INTERCHANGEABLE
TAILPIECE,UNION
34918
5935-01-287-1549INTERCHANGEABLE
JACKSCREW,ELECTRICAL CONNECTOR
11426-90162
5998-01-308-0643INTERCHANGEABLE
BACKPLANE ASSEMBLY
33414
5340-01-483-1310INTERCHANGEABLE
COVER,ACCESS
33414

Frequently Asked Questions

What is NSN 5970-01-133-3883?

NSN 5970-01-133-3883 is a Insulator,washer, manufactured by Way Wolff Associates Inc, classified under FSC 5970 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5970-01-133-3883?

NSN 5970-01-133-3883 has 2 cross-referenced part numbers: M-152 (Way Wolff Associates Inc), 33414 (Way Wolff Associates Inc).

What NSN replaces 5970-01-133-3883?

There are 10 known substitutes for 5970-01-133-3883: 2910-00-126-9713, 5210-00-223-9205, 3110-00-277-0479 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of M-152?

Key specifications for M-152: Material: FIBER OVERALL; Style Designator: ROUND, FLAT; Inside Diameter: 0.438 INCHES NOMINAL IN; Overall Height: 0.124 INCHES NOMINAL IN. 5 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5970-01-133-3883 still in active supply?

NSN 5970-01-133-3883 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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