PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1375Reducing Washer,knockout

Raco, a Division of Hubbell Incorporated(delaware) · NSN 5975-00-174-9126 · FSC 5975 · No Item Name Available
Verified by PartsTable
NSN 5975-00-174-9126 — this item is cataloged by the U.S. Government under National Stock Number 5975-00-174-9126. Primary manufacturer part number: 1375.
Features
  • Reducing Washer,knockout — FSC 5975
  • Conduit Size Accommodated: 0.500 INCHES NOMINAL IN
  • Material: STEEL
  • Knockout Size for Which Designed: 2.000 INCHES NOMINAL IN
  • Design Type: FLAT
  • Outside Diameter: 2.750 INCHES NOMINAL IN
  • 15 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 5975-00-174-9126, 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 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 15 commercial cross-references from 12 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
NSN5975-00-174-9126
Primary Part Number1375
Item NameReducing Washer,knockout
FSC / FSG5975 / 59 — No Item Name Available
ManufacturerRaco, a Division of Hubbell Incorporated(delaware)
StatusACTIVE
Conduit Size Accommodated0.500 INCHES NOMINAL IN
MaterialSTEEL
Knockout Size for Which Designed2.000 INCHES NOMINAL IN
Design TypeFLAT
Outside Diameter2.750 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
6680-00-088-66788DJ48KAB2 INTERCHANGEABLE
Indicator,liquid Quantity
Ametek Inc Div Aerospace and Defense
5930-00-178-990213410 INTERCHANGEABLE
Switch,rotary
Del Mar Avionics, Llc
2940-00-289-8348101606A INTERCHANGEABLE
Filter Element,fluid
Dresser, Llc
4320-00-398-57021375 INTERCHANGEABLE
Housing,impeller,pump
Curtiss-Wright Electro-Mechanical Corporation Div Epd
5340-00-456-616013410 INTERCHANGEABLE
Snap Hook
Danfoss Power Solutions II, Llc
2530-00-481-23092908735 INTERCHANGEABLE
Cylinder Assembly,hydraulic Brak
Chrysler Realty Company Llc Dba Daimler Chrysler
1560-00-532-933513410 INTERCHANGEABLE
Deck,fir Plywood
Piper Industrial Manufacturing Company, Llc Div Piper Industrial Manufacturing Company
5210-00-541-3798 INTERCHANGEABLE
Tape,measuring,replacement
5305-00-550-0863 INTERCHANGEABLE
Screw,cap,hexagon Head
6510-00-559-6130 INTERCHANGEABLE
Pad,post Surgical Obstetrical
Cross-Reference Index
Part NumberManufacturer
1375 Raco, a Division of Hubbell Incorporated(delaware) (USA)
3714 Abb Installation Products Inc (USA)
601 Efcor Inc
1071 Bridgeport Fittings Inc (USA)
WA-161 Abb Installation Products Inc (USA)
3714 Thomas and Betts Ltd (CAN)
RW-12 Egs Electric Co Llc (USA)
RW150 M&w Electric Manufacturing Co. Llc (USA)
RW-12 General Signal Corp O Z/gedney Co Unit (USA)
RW200-50 Egs Electrical Group Appleton Div (USA)
13410 Atlas Technologies Inc (USA)
352 Midwest Electric Mfg Corp Sub of Crouse-Hinds Co (USA)
1455 Atlas Technologies Inc (USA)
CATAL0G3714 Abb Installation Products Inc (USA)
RW-513 Neer Mfg Co Inc (USA)
Related Parts
6680-00-088-6678INTERCHANGEABLE
INDICATOR,LIQUID QUANTITY
8DJ48KAB2
5930-00-178-9902INTERCHANGEABLE
SWITCH,ROTARY
13410
2940-00-289-8348INTERCHANGEABLE
FILTER ELEMENT,FLUID
101606A
4320-00-398-5702INTERCHANGEABLE
HOUSING,IMPELLER,PUMP
1375
5340-00-456-6160INTERCHANGEABLE
SNAP HOOK
13410
2530-00-481-2309INTERCHANGEABLE
CYLINDER ASSEMBLY,HYDRAULIC BRAK
2908735
1560-00-532-9335INTERCHANGEABLE
DECK,FIR PLYWOOD
13410
5210-00-541-3798INTERCHANGEABLE
TAPE,MEASURING,REPLACEMENT
5305-00-550-0863INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
6510-00-559-6130INTERCHANGEABLE
PAD,POST SURGICAL OBSTETRICAL
6210-00-773-5992INTERCHANGEABLE
LIGHT,INDICATOR
5920-00-810-5604INTERCHANGEABLE
FUSE LINK,THERMAL
401594

Frequently Asked Questions

What is NSN 5975-00-174-9126?

NSN 5975-00-174-9126 is a Reducing Washer,knockout, manufactured by Raco, a Division of Hubbell Incorporated(delaware), classified under FSC 5975 (No Item Name Available). Status: active.

What are the part numbers for NSN 5975-00-174-9126?

NSN 5975-00-174-9126 has 15 cross-referenced part numbers: 1375 (Raco, a Division of Hubbell Incorporated(delaware)), 3714 (Abb Installation Products Inc), 601 (Efcor Inc), 1071 (Bridgeport Fittings Inc), WA-161 (Abb Installation Products Inc) and 10 more.

What NSN replaces 5975-00-174-9126?

There are 12 known substitutes for 5975-00-174-9126: 6680-00-088-6678, 5930-00-178-9902, 2940-00-289-8348 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1375?

Key specifications for 1375: Conduit Size Accommodated: 0.500 INCHES NOMINAL IN; Material: STEEL; Knockout Size for Which Designed: 2.000 INCHES NOMINAL IN; Design Type: FLAT. 5 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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