Ring, Electrical Contact Brush Ho5977-01-150-4975

NSN 5977-01-150-4975 · NIIN 011504975

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

Government record, cited

Also searched as 5977-01-150-4975 · 5977011504975 · NIIN 011504975 · 01-150-4975 · FSC 5977 Electrical Contact Brushes and Electrodes · 806763-0 GROUP 51 · 806763-0 GROUP 51 · 806763-0 GROUP 51

Nearby stock numbers ← 5977-01-150-2668 Brush, Electrical Contact · 5977-01-151-2066 Brush, Electrical Contact →

Features

Ring,electrical Contact Brush Ho — FSC 5977
Overall Diameter: 15.622 INCHES MINIMUM AND 15.625 INCHES MAXIMUM IN
Material Document and Classification: AISI 1020 ORE STEEL,EDM 237 ASSN STD SINGLE MATERIAL RESPONSE
Shape: RING
Material: STEEL COMP 1020

Identification

NSN: 5977-01-150-4975
NIIN: 011504975
FSC: 5977 — Electrical Contact Brushes and Electrodes
FSG: 59 — Electrical and Electronic Equipment Components

General Description

The Ring,electrical Contact Brush Ho, cataloged under National Stock Number 5977-01-150-4975, is classified within Federal Supply Class 5977 (Electrical Contact Brushes and Electrodes) of the Electrical and Electronic Equipment Components group. Government technical data includes 4 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	5977-01-150-4975
Item Name	Ring,electrical Contact Brush Ho
FSC / FSG	5977 / 59 — Electrical Contact Brushes and Electrodes
Status	ACTIVE
Overall Diameter	15.622 INCHES MINIMUM AND 15.625 INCHES MAXIMUM IN
Material Document and Classification	AISI 1020 ORE STEEL,EDM 237 ASSN STD SINGLE MATERIAL RESPONSE
Shape	RING
Material	STEEL COMP 1020

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
806763-0 GROUP 51	5/9 Secondary reference U.S. Government activity
806763-0 GROUP 51	5/9 Secondary reference U.S. Government activity
806763-0 GROUP 51	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 5977-01-150-4975?

NSN 5977-01-150-4975 is a Ring,electrical Contact Brush Ho, classified under FSC 5977, Electrical Contact Brushes and Electrodes. Status: active.

What are the specifications of 5977-01-150-4975?

Key specifications for 5977-01-150-4975: Overall Diameter: 15.622 INCHES MINIMUM AND 15.625 INCHES MAXIMUM IN; Material Document and Classification: AISI 1020 ORE STEEL,EDM 237 ASSN STD SINGLE MATERIAL RESPONSE; Shape: RING; Special Features: 125 MICROINCH SURFACE FINISH. 4 specifications are documented in the U.S. Government catalog.

Is NSN 5977-01-150-4975 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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