PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

B2074Brush,electrical Contact

Kollmorgen Corp · NSN 5977-00-325-6507 · FSC 5977 · No Item Name Available
Verified by PartsTable
NSN 5977-00-325-6507 — this item is cataloged by the U.S. Government under National Stock Number 5977-00-325-6507. Primary manufacturer part number: B2074.
Features
  • Brush,electrical Contact — FSC 5977
  • Shunt Position Designator: 5
  • Width: 0.309 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN
  • Pressure Spring Type and Quantity: 1 CYLINDRICAL
  • Style Designator: ONE PIECE
  • Terminal Type and Quantity: 1 ROUND CAP
  • Body Style: RECTANGULAR COMMUTATOR
  • Shunt Insulation Provision and Quantity: 1 UNINSULATED
Applications
  • Applications requiring Electrographitic construction
General Description

The Brush,electrical Contact, cataloged under National Stock Number 5977-00-325-6507, 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 Kollmorgen Corp. Government technical data includes 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5977-00-325-6507
Primary Part NumberB2074
Item NameBrush,electrical Contact
FSC / FSG5977 / 59 — No Item Name Available
ManufacturerKollmorgen Corp
StatusCANCELLED
Shunt Position Designator5
Width0.309 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN
Pressure Spring Type and Quantity1 CYLINDRICAL
Style DesignatorONE PIECE
Terminal Type and Quantity1 ROUND CAP
Body StyleRECTANGULAR COMMUTATOR
Shunt Insulation Provision and Quantity1 UNINSULATED
Largest Outside Diameter0.264 INCHES NOMINAL IN
Brush Shunt Length1.750 INCHES NOMINAL SINGLE SHUNT IN
Length1.125 INCHES NOMINAL IN
Spring Free Length2.500 INCHES NOMINAL IN
Radius0.985 INCHES NOMINAL IN
Terminal Diameter0.272 INCHES NOMINAL IN
MaterialELECTROGRAPHITIC
Contact Face StyleCONCAVE
Thickness0.247 INCHES MINIMUM AND 0.249 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5970-00-045-36992074-28 INTERCHANGEABLE
Tape,insulation,electrical
Plymouth Rubber Co Inc
4820-00-056-2422 INTERCHANGEABLE
Disk,valve
5330-00-131-7058 INTERCHANGEABLE
Seal,plain Encased
4310-00-166-5352207-4 INTERCHANGEABLE
Housing,vacuum Pump
Ontic Engineering & Manufacturing, Inc Dba Ontic Us
5310-00-187-186020-74 INTERCHANGEABLE
Washer,flat
Dresser Industries Inc Leroi Div
5330-00-388-68332074 INTERCHANGEABLE
Packing Assembly
Northrop Grumman Systems Corporation Div Marine Systems
2540-00-401-83372074 INTERCHANGEABLE
Mirror Assembly,rearview
Chantilly Development Corporation Dba Acme Specialty Mfg Co Div Acme Specialty Mfg.
6105-00-542-79486309-01 INTERCHANGEABLE
Motor,alternating Current
Rotron Incorporated
3110-00-554-2905102668-28 INTERCHANGEABLE
Bearing,ball,annular
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
5935-01-116-7441GP825ED1 INTERCHANGEABLE
Plug,tip
Northrop Grumman Systems Corporation
Cross-Reference Index
Part NumberManufacturer
A2074 Kollmorgen Corp (USA)
A2074 L3 Technologies, Inc. Div L3 Keo (USA)
B2074 PRIMARY Kollmorgen Corp (USA)
2074 Kollmorgen Corp (USA)
Related Parts
5970-00-045-3699INTERCHANGEABLE
TAPE,INSULATION,ELECTRICAL
2074-28
4820-00-056-2422INTERCHANGEABLE
DISK,VALVE
5330-00-131-7058INTERCHANGEABLE
SEAL,PLAIN ENCASED
4310-00-166-5352INTERCHANGEABLE
HOUSING,VACUUM PUMP
207-4
5310-00-187-1860INTERCHANGEABLE
WASHER,FLAT
20-74
5330-00-388-6833INTERCHANGEABLE
PACKING ASSEMBLY
2074
2540-00-401-8337INTERCHANGEABLE
MIRROR ASSEMBLY,REARVIEW
2074
6105-00-542-7948INTERCHANGEABLE
MOTOR,ALTERNATING CURRENT
6309-01
3110-00-554-2905INTERCHANGEABLE
BEARING,BALL,ANNULAR
102668-28
5935-01-116-7441INTERCHANGEABLE
PLUG,TIP
GP825ED1
5930-01-129-4012INTERCHANGEABLE
SWITCH,THERMOSTATIC
5580-2
2920-01-140-6152INTERCHANGEABLE
SWITCH,LOCK,IGNITION
80601

Frequently Asked Questions

What is NSN 5977-00-325-6507?

NSN 5977-00-325-6507 is a Brush,electrical Contact, manufactured by Kollmorgen Corp, classified under FSC 5977 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5977-00-325-6507?

NSN 5977-00-325-6507 has 4 cross-referenced part numbers: A2074 (Kollmorgen Corp), A2074 (L3 Technologies, Inc. Div L3 Keo), B2074 (Kollmorgen Corp), 2074 (Kollmorgen Corp).

What NSN replaces 5977-00-325-6507?

There are 12 known substitutes for 5977-00-325-6507: 5970-00-045-3699, 4820-00-056-2422, 5330-00-131-7058 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of B2074?

Key specifications for B2074: Shunt Position Designator: 5; Width: 0.309 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN; Pressure Spring Type and Quantity: 1 CYLINDRICAL; Style Designator: ONE PIECE. 16 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5977-00-325-6507 still in active supply?

NSN 5977-00-325-6507 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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