PartsTable TECHNICAL DATA SHEET

NSN 5975-01-666-6796Government record, cited

Reducing Washer, Knockout5975-01-666-6796

NSN 5975-01-666-6796 · NIIN 016666796 · Part number XM554-B6199-1

Rix Industries · FSC 5975 — Electrical Hardware and Supplies · FSG 59 — Electrical and Electronic Equipment Components · CAGE 28953

Government record, cited

NSN 5975-01-666-6796 — this item is cataloged by the U.S. Government under National Stock Number 5975-01-666-6796. Manufacturer of record part number: XM554-B6199-1.

Also searched as 5975-01-666-6796 · 5975016666796 · NIIN 016666796 · 01-666-6796 · FSC 5975 Electrical Hardware and Supplies · CAGE 28953 · XM554-B6199-1 · B6199 REV A

Nearby stock numbers ← 5975-01-666-6700 Hanger, Cable · 5975-01-666-6841 Cabinet, Electrical Equipment →

Features

Reducing Washer,knockout — FSC 5975
Knockout Size for Which Designed: 0.5625 INCHES NOMINAL IN
Conduit Size Accommodated: 0.5625 INCHES NOMINAL IN
Design Type: FLAT
Outside Diameter: 0.875 INCHES NOMINAL IN
Material: STEEL CORROSION RESISTING
2 manufacturer part numbers on file
Manufacturer of record: Rix Industries

Identification

NSN: 5975-01-666-6796
NIIN: 016666796
FSC: 5975 — Electrical Hardware and Supplies
FSG: 59 — Electrical and Electronic Equipment Components
Primary part number: XM554-B6199-1
Manufacturer: Rix Industries

General Description

The Reducing Washer,knockout, cataloged under National Stock Number 5975-01-666-6796, is classified within Federal Supply Class 5975 (Electrical Hardware and Supplies) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Rix Industries. Government technical data includes 5 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	5975-01-666-6796
Primary Part Number	XM554-B6199-1
Item Name	Reducing Washer,knockout
FSC / FSG	5975 / 59 — Electrical Hardware and Supplies
Manufacturer	Rix Industries
Status	ACTIVE
Knockout Size for Which Designed	0.5625 INCHES NOMINAL IN
Conduit Size Accommodated	0.5625 INCHES NOMINAL IN
Design Type	FLAT
Outside Diameter	0.875 INCHES NOMINAL IN
Material	STEEL CORROSION RESISTING

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
B6199 REV A	Rix Industries (USA)
XM554-B6199-1 PRIMARY	Rix Industries (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 5975-01-666-6796?

NSN 5975-01-666-6796 is a Reducing Washer,knockout, manufactured by Rix Industries, classified under FSC 5975, Electrical Hardware and Supplies. Status: active.

What part numbers are listed for NSN 5975-01-666-6796?

NSN 5975-01-666-6796 has 2 manufacturer part numbers on file: B6199 REV A (Rix Industries), XM554-B6199-1 (Rix Industries).

What are the specifications of XM554-B6199-1?

Key specifications for XM554-B6199-1: Overall Height: 0.94 INCHES NOMINAL IN; Knockout Size for Which Designed: 0.5625 INCHES NOMINAL IN; Conduit Size Accommodated: 0.5625 INCHES NOMINAL IN; Design Type: FLAT. 5 specifications are documented in the U.S. Government catalog.

Is NSN 5975-01-666-6796 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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