PartsTable TECHNICAL DATA SHEET

NSN 5975-01-693-3052Government record, cited

Reducing Washer, Knockout5975-01-693-3052

NSN 5975-01-693-3052 · NIIN 016933052 · Part number 1381

Hubbell-Raco Inc · FSC 5975 — Electrical Hardware and Supplies · FSG 59 — Electrical and Electronic Equipment Components · CAGE 77881

Government record, cited

NSN 5975-01-693-3052 — this item is cataloged by the U.S. Government under National Stock Number 5975-01-693-3052. Manufacturer of record part number: 1381.

Also searched as 5975-01-693-3052 · 5975016933052 · NIIN 016933052 · 01-693-3052 · FSC 5975 Electrical Hardware and Supplies · CAGE 77881 · 1381

Nearby stock numbers ← 5975-01-693-3048 Stuffing Tube · 5975-01-693-3054 Bushing, Strain Relief, Cable →

Features

Reducing Washer,knockout — FSC 5975
Knockout Size for Which Designed: 1.25 INCHES MINIMUM AND 2.50 INCHES MAXIMUM IN
Width Across Flats: 3.187 INCHES NOMINAL IN
Conduit Size Accommodated: 1.75 INCHES NOMINAL IN
Surface Treatment: ZINC
Material: STEEL
1 manufacturer part number on file
Manufacturer of record: Hubbell-Raco Inc

Identification

NSN: 5975-01-693-3052
NIIN: 016933052
FSC: 5975 — Electrical Hardware and Supplies
FSG: 59 — Electrical and Electronic Equipment Components
Primary part number: 1381
Manufacturer: Hubbell-Raco Inc

General Description

The Reducing Washer,knockout, cataloged under National Stock Number 5975-01-693-3052, is classified within Federal Supply Class 5975 (Electrical Hardware and Supplies) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Hubbell-Raco Inc. Government technical data includes 5 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	5975-01-693-3052
Primary Part Number	1381
Item Name	Reducing Washer,knockout
FSC / FSG	5975 / 59 — Electrical Hardware and Supplies
Manufacturer	Hubbell-Raco Inc
Status	ACTIVE
Knockout Size for Which Designed	1.25 INCHES MINIMUM AND 2.50 INCHES MAXIMUM IN
Width Across Flats	3.187 INCHES NOMINAL IN
Conduit Size Accommodated	1.75 INCHES NOMINAL IN
Surface Treatment	ZINC
Material	STEEL

Lifecycle & Compliance

Acquisition Status	ACTIVE
DEMIL Code	DEMIL A — No Demilitarization Required
Hazard	Possible hazard — SDS may be required (DLA HMIC P)
Criticality Code	X

Cross-Reference Index

Part Number	Manufacturer
1381 PRIMARY	Hubbell-Raco Inc (USA)

No interchangeability data on file.

Other items in FSC 5975 — Electrical Hardware and Supplies

Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.

5975-00-000-0120

MOUNTING BASE,ELECTRICAL EQUIPME

5975-00-000-0126

5975-00-000-0126 · Item name not on file

5975-00-000-7420

5975-00-000-7420 · Item name not on file

5975-00-001-1397

5975-00-001-1397 · Item name not on file

5975-00-001-1538

5975-00-001-1538 · Item name not on file

5975-00-001-1539

5975-00-001-1539 · Item name not on file

5975-00-001-1542

5975-00-001-1542 · Item name not on file

5975-00-001-2444

5975-00-001-2444 · Item name not on file

Frequently Asked Questions

What is NSN 5975-01-693-3052?

NSN 5975-01-693-3052 is a Reducing Washer,knockout, manufactured by Hubbell-Raco Inc, classified under FSC 5975, Electrical Hardware and Supplies. Status: active.

What part numbers are listed for NSN 5975-01-693-3052?

NSN 5975-01-693-3052 has 1 manufacturer part number on file: 1381 (Hubbell-Raco Inc).

What are the specifications of 1381?

Key specifications for 1381: Knockout Size for Which Designed: 1.25 INCHES MINIMUM AND 2.50 INCHES MAXIMUM IN; Width Across Flats: 3.187 INCHES NOMINAL IN; Conduit Size Accommodated: 1.75 INCHES NOMINAL IN; Surface Treatment: ZINC. 5 specifications are documented in the U.S. Government catalog.

Is NSN 5975-01-693-3052 hazardous material?

Possible hazard — SDS may be required (DLA HMIC P). Hazard information on this page is shown exactly as it appears in the DLA record.

Sources

U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.

U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.

✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.

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