PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1379Reducing Washer,knockout

Raco, a Division of Hubbell Incorporated(delaware) · NSN 5975-00-064-8685 · FSC 5975 · No Item Name Available
Verified by PartsTable
NSN 5975-00-064-8685 — this item is cataloged by the U.S. Government under National Stock Number 5975-00-064-8685. Primary manufacturer part number: 1379.
Features
  • Reducing Washer,knockout — FSC 5975
  • Material: STEEL
  • Design Type: FLAT
  • Knockout Size for Which Designed: 2.000 INCHES NOMINAL IN
  • Conduit Size Accommodated: 1.500 INCHES NOMINAL IN
  • 10 verified cross-references
  • Primary manufacturer: Raco, a Division of Hubbell Incorporated(delaware)
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel construction
General Description

The Reducing Washer,knockout, cataloged under National Stock Number 5975-00-064-8685, is classified within Federal Supply Class 5975 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Raco, a Division of Hubbell Incorporated(delaware). Government technical data includes 4 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 10 commercial cross-references from 9 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5975-00-064-8685
Primary Part Number1379
Item NameReducing Washer,knockout
FSC / FSG5975 / 59 — No Item Name Available
ManufacturerRaco, a Division of Hubbell Incorporated(delaware)
StatusCANCELLED
MaterialSTEEL
Design TypeFLAT
Knockout Size for Which Designed2.000 INCHES NOMINAL IN
Conduit Size Accommodated1.500 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
6625-00-016-4519369-009 INTERCHANGEABLE
Meter,electrical Frequency
Jewell Instruments Llc
4720-00-051-4712 INTERCHANGEABLE
Hose,nonmetallic
8125-00-056-1842 INTERCHANGEABLE
Bottle,dropper
5940-00-082-4892 INTERCHANGEABLE
Terminal,stud
5310-00-175-2786 INTERCHANGEABLE
Washer,flat
5133-00-189-9280 INTERCHANGEABLE
Drill,twist
5920-00-199-9222351005 INTERCHANGEABLE
Fuseholder,block
Littelfuse, Inc.
5975-00-280-91853717 INTERCHANGEABLE
Reducing Washer,knockout
Abb Installation Products Inc
4730-00-287-1828 INTERCHANGEABLE
Coupling,pipe
9390-00-374-3486 INTERCHANGEABLE
Wick
Cross-Reference Index
Part NumberManufacturer
356 Midwest Electric Mfg Corp Sub of Crouse-Hinds Co (USA)
1379 PRIMARY Raco, a Division of Hubbell Incorporated(delaware) (USA)
RW-16S Egs Electric Co Llc (USA)
1075 Bridgeport Fittings Inc (USA)
RW154 PRIMARY M&w Electric Manufacturing Co. Llc (USA)
15035 Abb Installation Products Inc (USA)
R.W.6-5 A-1 Conduit Fittings Corp (USA)
RW-15 PRIMARY Pte Waters Industries Inc (USA)
517 PRIMARY GB Electrical Inc (USA)
WA-165 Abb Installation Products Inc (USA)
Related Parts
6625-00-016-4519INTERCHANGEABLE
METER,ELECTRICAL FREQUENCY
369-009
4720-00-051-4712INTERCHANGEABLE
HOSE,NONMETALLIC
8125-00-056-1842INTERCHANGEABLE
BOTTLE,DROPPER
5940-00-082-4892INTERCHANGEABLE
TERMINAL,STUD
5310-00-175-2786INTERCHANGEABLE
WASHER,FLAT
5133-00-189-9280INTERCHANGEABLE
DRILL,TWIST
5920-00-199-9222INTERCHANGEABLE
FUSEHOLDER,BLOCK
351005
5975-00-280-9185INTERCHANGEABLE
REDUCING WASHER,KNOCKOUT
3717
4730-00-287-1828INTERCHANGEABLE
COUPLING,PIPE
9390-00-374-3486INTERCHANGEABLE
WICK
5330-00-383-8779INTERCHANGEABLE
GASKET
12155
5940-00-405-2453INTERCHANGEABLE
TERMINAL,LUG
1379

Frequently Asked Questions

What is NSN 5975-00-064-8685?

NSN 5975-00-064-8685 is a Reducing Washer,knockout, manufactured by Raco, a Division of Hubbell Incorporated(delaware), classified under FSC 5975 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5975-00-064-8685?

NSN 5975-00-064-8685 has 10 cross-referenced part numbers: 356 (Midwest Electric Mfg Corp Sub of Crouse-Hinds Co), 1379 (Raco, a Division of Hubbell Incorporated(delaware)), RW-16S (Egs Electric Co Llc), 1075 (Bridgeport Fittings Inc), RW154 (M&w Electric Manufacturing Co. Llc) and 5 more.

What NSN replaces 5975-00-064-8685?

There are 12 known substitutes for 5975-00-064-8685: 6625-00-016-4519, 4720-00-051-4712, 8125-00-056-1842 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1379?

Key specifications for 1379: Material: STEEL; Design Type: FLAT; Knockout Size for Which Designed: 2.000 INCHES NOMINAL IN; Conduit Size Accommodated: 1.500 INCHES NOMINAL IN. 4 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5975-00-064-8685 still in active supply?

NSN 5975-00-064-8685 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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