PartsTable TECHNICAL DATA SHEET

NSN 5977-00-451-8375Government record, cited

Brush, Electrical Contact5977-00-451-8375

NSN 5977-00-451-8375 · NIIN 004518375

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

Government record, cited

Also searched as 5977-00-451-8375 · 5977004518375 · NIIN 004518375 · 00-451-8375 · FSC 5977 Electrical Contact Brushes and Electrodes

Nearby stock numbers ← 5977-00-451-6253 · 5977-00-452-2449 →

Features

Brush,electrical Contact — FSC 5977
Length: 0.375 INCHES NOMINAL IN
Largest Outside Diameter: 0.333 INCHES NOMINAL IN
Body Style: RECTANGULAR
Style Designator: PAIRED
Spring Free Length: 1.938 INCHES NOMINAL IN
Pressure Spring Type and Quantity: 1 CYLINDRICAL
Brush Shunt Length: 1.812 INCHES NOMINAL SINGLE SHUNT IN

Identification

NSN: 5977-00-451-8375
NIIN: 004518375
FSC: 5977 — Electrical Contact Brushes and Electrodes
FSG: 59 — Electrical and Electronic Equipment Components

General Description

The Brush,electrical Contact, cataloged under National Stock Number 5977-00-451-8375, is classified within Federal Supply Class 5977 (Electrical Contact Brushes and Electrodes) of the Electrical and Electronic Equipment Components group. Government technical data includes 12 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 10 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	5977-00-451-8375
Item Name	Brush,electrical Contact
FSC / FSG	5977 / 59 — Electrical Contact Brushes and Electrodes
Status	ACTIVE
Length	0.375 INCHES NOMINAL IN
Largest Outside Diameter	0.333 INCHES NOMINAL IN
Body Style	RECTANGULAR
Style Designator	PAIRED
Spring Free Length	1.938 INCHES NOMINAL IN
Pressure Spring Type and Quantity	1 CYLINDRICAL
Brush Shunt Length	1.812 INCHES NOMINAL SINGLE SHUNT IN
Contact Face Style	CONCAVE
Shunt Insulation Provision and Quantity	1 UNINSULATED
Width	0.358 INCHES NOMINAL IN
Material	CARBON
Thickness	0.358 INCHES NOMINAL IN

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

⇄ Related Items 10

Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.

5905-00-553-9106 POSSIBLE MATCH

RESISTOR,VARIABLE,NONWIRE WOUND,

Possible match (shared part number)

4820-00-865-3234 POSSIBLE MATCH

VALVE,ANGLE

Possible match (shared part number)

5970-00-871-7345 POSSIBLE MATCH

INSULATOR,BUSHING

Possible match (shared part number)

5360-01-020-629421038 POSSIBLE MATCH

SPRING,HELICAL,COMPRESSION

Possible match (shared part number)Rogerson Aircraft Equipment Group

5325-01-067-6968 POSSIBLE MATCH

RING,RETAINING

Possible match (shared part number)

5930-01-078-8841 POSSIBLE MATCH

SWITCH,ROTARY

Possible match (shared part number)

4330-01-186-8752921038 POSSIBLE MATCH

FILTER ELEMENT,FLUID

Possible match (shared part number)Parker-Hannifin Corporation Dba Hydraulic Filter Division Div Hydraulic & Fuel Filter Division

3040-01-310-005121038 POSSIBLE MATCH

SHAFT,SHOULDERED

Possible match (shared part number)Crane Pumps & Systems Pft Corp Div Crane Pumps & System Pft Corp.

5975-01-343-350921038 POSSIBLE MATCH

MOUNTING BASE,TIE DOWN,ELECTRICA

Possible match (shared part number)Waytek Inc

8305-01-621-8417WR18/3010/38 POSSIBLE MATCH

CLOTH,WOVEN ROVING

Possible match (shared part number)Owens Corning

Cross-Reference Index

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

Reference documents

Reference	Meaning
21-038	3/9 Design control — primary reference U.S. Government activity

Related Parts

5905-00-553-9106POSSIBLE MATCH

RESISTOR,VARIABLE,NONWIRE WOUND,

4820-00-865-3234POSSIBLE MATCH

VALVE,ANGLE

5970-00-871-7345POSSIBLE MATCH

INSULATOR,BUSHING

5360-01-020-6294POSSIBLE MATCH

SPRING,HELICAL,COMPRESSION

21038

5325-01-067-6968POSSIBLE MATCH

RING,RETAINING

5930-01-078-8841POSSIBLE MATCH

SWITCH,ROTARY

4330-01-186-8752POSSIBLE MATCH

FILTER ELEMENT,FLUID

921038

3040-01-310-0051POSSIBLE MATCH

SHAFT,SHOULDERED

21038

5975-01-343-3509POSSIBLE MATCH

MOUNTING BASE,TIE DOWN,ELECTRICA

21038

8305-01-621-8417POSSIBLE MATCH

CLOTH,WOVEN ROVING

WR18/3010/38

Frequently Asked Questions

What is NSN 5977-00-451-8375?

NSN 5977-00-451-8375 is a Brush,electrical Contact, classified under FSC 5977, Electrical Contact Brushes and Electrodes. Status: active.

What NSN replaces 5977-00-451-8375?

10 possible matches (shared part number, not a government interchangeability claim): 5905-00-553-9106, 4820-00-865-3234, 5970-00-871-7345. Verify interchangeability with system specifications before substitution.

What are the specifications of 5977-00-451-8375?

Key specifications for 5977-00-451-8375: Length: 0.375 INCHES NOMINAL IN; Largest Outside Diameter: 0.333 INCHES NOMINAL IN; Body Style: RECTANGULAR; Style Designator: PAIRED. 12 specifications are documented in the U.S. Government catalog.

Is NSN 5977-00-451-8375 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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