PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

703021Holder,electrical Contact Brush

Kearfott Corporation Div Guidance and Navigation Division · NSN 5977-00-038-0955 · FSC 5977 · No Item Name Available
Verified by PartsTable
NSN 5977-00-038-0955 — this item is cataloged by the U.S. Government under National Stock Number 5977-00-038-0955. Primary manufacturer part number: 703021.
Features
  • Holder,electrical Contact Brush — FSC 5977
  • Mounting Facility: SETSCREW
  • Inside Thickness: 0.500 INCHES NOMINAL IN
  • Brush Pressure Spring Type Accommodated: SPIRAL TORSION
  • Overall Thickness: 2.375 INCHES NOMINAL IN
  • Terminal Type: SCREW
  • Inside Length: 0.937 INCHES NOMINAL IN
  • Inside Width: 1.000 INCHES NOMINAL IN
Applications
  • Applications requiring Copper Alloy Box construction
General Description

The Holder,electrical Contact Brush, cataloged under National Stock Number 5977-00-038-0955, is classified within Federal Supply Class 5977 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Kearfott Corporation Div Guidance and Navigation Division. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5977-00-038-0955
Primary Part Number703021
Item NameHolder,electrical Contact Brush
FSC / FSG5977 / 59 — No Item Name Available
ManufacturerKearfott Corporation Div Guidance and Navigation Division
StatusACTIVE
Mounting FacilitySETSCREW
Inside Thickness0.500 INCHES NOMINAL IN
Brush Pressure Spring Type AccommodatedSPIRAL TORSION
Overall Thickness2.375 INCHES NOMINAL IN
Terminal TypeSCREW
Inside Length0.937 INCHES NOMINAL IN
Inside Width1.000 INCHES NOMINAL IN
Brush Quantity Accommodated Per Holder1
Mounting Facility Quantity1
Brush Spring AdjustabilityADJUSTABLE
Terminal Quantity1
MaterialCOPPER ALLOY BOX
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 11
5360-00-143-0259 INTERCHANGEABLE
Spring,helical,compression
5360-00-200-685921702 INTERCHANGEABLE
Spring,helical,compression
Grove Valve Operations
5999-00-468-225121-702 INTERCHANGEABLE
Contact,electrical
Drs Naval Power Systems Inc Dba Drs Power & Control Technologies Inc
5930-00-642-93838403-1 INTERCHANGEABLE
Switch,pressure
Itt Aerospace Controls Llc Dba Itt Aerospace Controls Unit S
6520-01-003-226614787 INTERCHANGEABLE
Bur,dental,excavating
Ss White Burs Llc
4820-01-321-8357217-02 INTERCHANGEABLE
Piston,valve
Trac Regulator Co., Inc. Dba Trac Regulator Co Inc
5120-01-335-140921702 INTERCHANGEABLE
Punch,drive Pin
Mayhew Steel Products Inc
4730-01-375-732936747E INTERCHANGEABLE
Strainer Element,sediment
Griswold Industries Dba Cla-Val Co
1630-01-514-26752-1702 INTERCHANGEABLE
Brake,multiple Disk
Goodrich Corporation Div Collins Aerospace, Landing Systems (wheels & Brakes)
5340-01-521-7352 INTERCHANGEABLE
Ceramic Plunger
Cross-Reference Index
Part NumberManufacturer
703021 Kearfott Corporation Div Guidance and Navigation Division (USA)
703021 Singer Co the Industrial Sewing and Knitting Div (USA)
2170-2 Gettysburg Engineering Co Inc (USA)
Related Parts
5360-00-143-0259INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
5360-00-200-6859INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
21702
5999-00-468-2251INTERCHANGEABLE
CONTACT,ELECTRICAL
21-702
5930-00-642-9383INTERCHANGEABLE
SWITCH,PRESSURE
8403-1
6520-01-003-2266INTERCHANGEABLE
BUR,DENTAL,EXCAVATING
14787
4820-01-321-8357INTERCHANGEABLE
PISTON,VALVE
217-02
5120-01-335-1409INTERCHANGEABLE
PUNCH,DRIVE PIN
21702
4730-01-375-7329INTERCHANGEABLE
STRAINER ELEMENT,SEDIMENT
36747E
1630-01-514-2675INTERCHANGEABLE
BRAKE,MULTIPLE DISK
2-1702
5340-01-521-7352INTERCHANGEABLE
CERAMIC PLUNGER
4810-01-545-0108INTERCHANGEABLE
PLUNGER,ACTUATOR
70-3021

Frequently Asked Questions

What is NSN 5977-00-038-0955?

NSN 5977-00-038-0955 is a Holder,electrical Contact Brush, manufactured by Kearfott Corporation Div Guidance and Navigation Division, classified under FSC 5977 (No Item Name Available). Status: active.

What are the part numbers for NSN 5977-00-038-0955?

NSN 5977-00-038-0955 has 3 cross-referenced part numbers: 703021 (Kearfott Corporation Div Guidance and Navigation Division), 703021 (Singer Co the Industrial Sewing and Knitting Div), 2170-2 (Gettysburg Engineering Co Inc).

What NSN replaces 5977-00-038-0955?

There are 11 known substitutes for 5977-00-038-0955: 5360-00-143-0259, 5360-00-200-6859, 5999-00-468-2251 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 703021?

Key specifications for 703021: Mounting Facility: SETSCREW; Overall Width: 1.250 INCHES NOMINAL IN; Inside Thickness: 0.500 INCHES NOMINAL IN; Overall Length: 1.375 INCHES NOMINAL IN. 14 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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