Holder, Electrical Contact Brush5977-00-644-0181

NSN 5977-00-644-0181 · NIIN 006440181

FSC 5977 — Electrical Contact Brushes and Electrodes · FSG 59 — Electrical and Electronic Equipment Components

Government record, cited

Also searched as 5977-00-644-0181 · 5977006440181 · NIIN 006440181 · 00-644-0181 · FSC 5977 Electrical Contact Brushes and Electrodes

Nearby stock numbers ← 5977-00-644-0012 · 5977-00-644-0182 →

Features

Holder,electrical Contact Brush — FSC 5977
Mounting Facility Quantity: 4
Inside Width: 0.375 INCHES NOMINAL IN
Inside Length: 1.750 INCHES NOMINAL IN
Top Thread Location: INTERNAL
Thread Length: 0.250 INCHES NOMINAL IN
Overall Thickness: 0.875 INCHES NOMINAL IN
Brush Quantity Accommodated Per Holder: 2

Identification

NSN: 5977-00-644-0181
NIIN: 006440181
FSC: 5977 — Electrical Contact Brushes and Electrodes
FSG: 59 — Electrical and Electronic Equipment Components

General Description

The Holder,electrical Contact Brush, cataloged under National Stock Number 5977-00-644-0181, is classified within Federal Supply Class 5977 (Electrical Contact Brushes and Electrodes) of the Electrical and Electronic Equipment Components group. Government technical data includes 11 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	5977-00-644-0181
Item Name	Holder,electrical Contact Brush
FSC / FSG	5977 / 59 — Electrical Contact Brushes and Electrodes
Status	ACTIVE
Mounting Facility Quantity	4
Inside Width	0.375 INCHES NOMINAL IN
Inside Length	1.750 INCHES NOMINAL IN
Top Thread Location	INTERNAL
Thread Length	0.250 INCHES NOMINAL IN
Overall Thickness	0.875 INCHES NOMINAL IN
Brush Quantity Accommodated Per Holder	2
Mounting Facility	UNTHREADED HOLES
Inside Thickness	0.312 INCHES NOMINAL IN
Material	COPPER ALLOY BOX
Thread Size and Series/type Designator	0.438-32 UN

Lifecycle & Compliance

Acquisition Status	ACTIVE
DEMIL Code	DEMIL A — No Demilitarization Required
Hazard	No hazard code in the DLA record (HMIC N)
Criticality Code	X

Cross-Reference Index

No manufacturer part numbers on file in the U.S. Government catalog.

Reference documents

Reference	Meaning
975209	3/2 Design control — primary reference U.S. Government activity

No interchangeability data on file.

Other items in FSC 5977 — Electrical Contact Brushes and Electrodes

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

5977-00-001-8018

BRUSH,ELECTRICAL CONTACT

5977-00-001-8867

5977-00-001-8867 · Item name not on file

5977-00-002-9654

5977-00-002-9654 · Item name not on file

5977-00-003-0257

BRUSH SET,ELECTRICAL CONTACT

5977-00-003-0258

HOLDER,ELECTRICAL CONTACT BRUSH

5977-00-003-0264

5977-00-003-0264 · Item name not on file

5977-00-003-1196

ELECTRODE

5977-00-003-1197

5977-00-003-1197 · Item name not on file

Frequently Asked Questions

What is NSN 5977-00-644-0181?

NSN 5977-00-644-0181 is a Holder,electrical Contact Brush, classified under FSC 5977, Electrical Contact Brushes and Electrodes. Status: active.

What are the specifications of 5977-00-644-0181?

Key specifications for 5977-00-644-0181: Mounting Facility Quantity: 4; Inside Width: 0.375 INCHES NOMINAL IN; Inside Length: 1.750 INCHES NOMINAL IN; Top Thread Location: INTERNAL. 11 specifications are documented in the U.S. Government catalog.

Is NSN 5977-00-644-0181 hazardous material?

No hazard code in the DLA record (HMIC N). 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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