PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

6AX203Brush,electrical Contact

Oshkosh Defense Llc · NSN 5977-01-014-7438 · FSC 5977 · No Item Name Available
Verified by PartsTable
NSN 5977-01-014-7438 — this item is cataloged by the U.S. Government under National Stock Number 5977-01-014-7438. Primary manufacturer part number: 6AX203.
Features
  • Brush,electrical Contact — FSC 5977
  • Brush Shunt Length: 1.593 INCHES MINIMUM AND 1.656 INCHES MAXIMUM SINGLE SHUNT IN
  • Terminal Type and Quantity: 1 ROUND CAP
  • Shunt Position Designator: 5
  • Shunt Insulation Provision and Quantity: 1 UNINSULATED
  • Largest Outside Diameter: 0.260 INCHES MINIMUM AND 0.270 INCHES MAXIMUM IN
  • Length: 0.985 INCHES MINIMUM AND 1.015 INCHES MAXIMUM IN
  • Spring Free Length: 2.700 INCHES NOMINAL IN
Applications
  • Applications requiring Electrographitic construction
General Description

The Brush,electrical Contact, cataloged under National Stock Number 5977-01-014-7438, 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 Oshkosh Defense Llc. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5977-01-014-7438
Primary Part Number6AX203
Item NameBrush,electrical Contact
FSC / FSG5977 / 59 — No Item Name Available
ManufacturerOshkosh Defense Llc
StatusACTIVE
Brush Shunt Length1.593 INCHES MINIMUM AND 1.656 INCHES MAXIMUM SINGLE SHUNT IN
Terminal Type and Quantity1 ROUND CAP
Shunt Position Designator5
Shunt Insulation Provision and Quantity1 UNINSULATED
Largest Outside Diameter0.260 INCHES MINIMUM AND 0.270 INCHES MAXIMUM IN
Length0.985 INCHES MINIMUM AND 1.015 INCHES MAXIMUM IN
Spring Free Length2.700 INCHES NOMINAL IN
MaterialELECTROGRAPHITIC
Body StyleCYLINDRICAL
Pressure Spring Type and Quantity1 CYLINDRICAL WITH REDUCED END
Contact Face StyleFLAT
Material Document and ClassificationNATIONAL CARBON GRADE H-100 MFR REF SINGLE MATERIAL RESPONSE
Diameter0.303 INCHES MINIMUM AND 0.307 INCHES MAXIMUM IN
Terminal Diameter0.260 INCHES MINIMUM AND 0.280 INCHES MAXIMUM IN
Style DesignatorONE PIECE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5310-00-043-0521 INTERCHANGEABLE
Washer,flat
8345-00-233-2903 INTERCHANGEABLE
Flag,national
8345-00-245-2758 INTERCHANGEABLE
Flag,national
5310-00-262-4373 INTERCHANGEABLE
Washer,flat
8345-00-264-2652 INTERCHANGEABLE
Flag,national
5330-00-351-667716-632 INTERCHANGEABLE
Gasket
Dresser Industries Inc Leroi Div
5330-00-514-44596372 INTERCHANGEABLE
Retainer,packing
Skf Usa Inc. Dba Skf Aerospace Sealing Solutions
4730-00-541-0939 INTERCHANGEABLE
Adapter,straight,pipe to Tube
4730-00-541-8018630040072052 INTERCHANGEABLE
Clamp,hose
Epicor Industries Inc Ideal Div
5945-01-065-4311P4040-001 INTERCHANGEABLE
Solenoid,electrical
Us Army Aviation and Missile Command
Cross-Reference Index
Part NumberManufacturer
6AX203 Oshkosh Defense Llc (USA)
A010 077650 Prestolite Electric Inc (USA)
77650 Prestolite Electric Inc (USA)
0124937 Morganite Inc (USA)
01-24322 National Electrical Carbon Products, Inc. Div Electrical (USA)
01-24322 Morganite Inc (USA)
6AX203 Oshkosh Corp (USA)
6372 893 Mfg, Llc (USA)
Related Parts
5310-00-043-0521INTERCHANGEABLE
WASHER,FLAT
8345-00-233-2903INTERCHANGEABLE
FLAG,NATIONAL
8345-00-245-2758INTERCHANGEABLE
FLAG,NATIONAL
5310-00-262-4373INTERCHANGEABLE
WASHER,FLAT
8345-00-264-2652INTERCHANGEABLE
FLAG,NATIONAL
5330-00-351-6677INTERCHANGEABLE
GASKET
16-632
5330-00-514-4459INTERCHANGEABLE
RETAINER,PACKING
6372
4730-00-541-0939INTERCHANGEABLE
ADAPTER,STRAIGHT,PIPE TO TUBE
4730-00-541-8018INTERCHANGEABLE
CLAMP,HOSE
630040072052
5945-01-065-4311INTERCHANGEABLE
SOLENOID,ELECTRICAL
P4040-001
5950-01-236-4400INTERCHANGEABLE
TRANSFORMER,POWER AUTOTRANSFORME
064-6372-008
6625-01-236-9085INTERCHANGEABLE
VOLTMETER
36512-1

Frequently Asked Questions

What is NSN 5977-01-014-7438?

NSN 5977-01-014-7438 is a Brush,electrical Contact, manufactured by Oshkosh Defense Llc, classified under FSC 5977 (No Item Name Available). Status: active.

What are the part numbers for NSN 5977-01-014-7438?

NSN 5977-01-014-7438 has 8 cross-referenced part numbers: 6AX203 (Oshkosh Defense Llc), A010 077650 (Prestolite Electric Inc), 77650 (Prestolite Electric Inc), 0124937 (Morganite Inc), 01-24322 (National Electrical Carbon Products, Inc. Div Electrical) and 3 more.

What NSN replaces 5977-01-014-7438?

There are 12 known substitutes for 5977-01-014-7438: 5310-00-043-0521, 8345-00-233-2903, 8345-00-245-2758 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 6AX203?

Key specifications for 6AX203: End Item Identification: 2320-01-097-0248,2320-01-097-0249,2320-01-100-7672,2320-01-097-0260,2320-01-195-7641, HEMTT FAMILY (HEAVY EXPANDED MOBILITY TACTICAL TRUCKS); Brush Shunt Length: 1.593 INCHES MINIMUM AND 1.656 INCHES MAXIMUM SINGLE SHUNT IN; Terminal Type and Quantity: 1 ROUND CAP; Shunt Position Designator: 5. 16 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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