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Technical Data Sheet
PartsTable / COMPONENT / 3033A
3033A ✓ Verified by PartsTable
— · PIPE SECTION
WHAT YOU NEED TO KNOW
Schedule = wall thickness, NOT diameter Nominal pipe size != actual OD
Sch 40 and Sch 80 same OD, different wall
PRODUCT OVERVIEW

The BRUSH,ELECTRICAL CONTACT is a the manufacturer industrial component. Key specifications include width: 0.375 INCHES NOMINAL IN, length: 1.125 INCHES NOMINAL IN, radius: 1.500 INCHES NOMINAL IN, material: METAL GRAPHITE, thickness: 0.750 INCHES NOMINAL IN, top_style: FLAT WITH RIGHT EDGE BEVELED. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4720-00-203-3031, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
3033A
NSN: 4720-00-203-3031
FSC: 4720
CAGE: 93742 — DRS NAVAL POWER SYSTEMS INC DBA DRS POWER & CONTROL TECHNOLOGIES INC (USA)
SPECIFICATIONS
width0.375 INCHES NOMINAL IN
length1.125 INCHES NOMINAL IN
radius1.500 INCHES NOMINAL IN
materialMETAL GRAPHITE
thickness0.750 INCHES NOMINAL IN
top_styleFLAT WITH RIGHT EDGE BEVELED
body_styleRECTANGULAR SLIP RING
temp_rating-65.0 FAHRENHEIT AND 212.0 FAHRENHEIT SINGLE RESPONSE DEGF
inside_diameter2.500 INCHES NOMINAL IN
outside_diameter2.781 INCHES NOMINAL IN
style_designatorONE PIECE
brush_shunt_length3.000 INCHES NOMINAL SINGLE SHUNT IN
NSN4720-00-203-3031
COMPONENT DIAGRAM
PIPE SECTION — SCHEDULE = WALL THICKNESS WALL: — OD: — LENGTH: — — — PN: 3033A · OEM ⚠ VERIFY BEFORE ORDERING Schedule = wall thickness, NOT pipe diameter. Sch 40 and Sch 80 have the same OD but different wall thickness. Nominal pipe size ≠ actual OD — a 1" pipe is actually 1.315" OD ✓ BROKER TIP Sch 40 = standard wall, Sch 80 = heavy wall (higher pressure), Sch 160 = extra heavy. Seamless pipe is required for high-pressure applications — welded pipe has lower ratings PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
SPECIFICATION/STANDARD DATA: 81343-SAE J20 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
•
OUTSIDE DIAMETER: 2.781 INCHES NOMINAL IN
•
LAYER COMPOSITION AND LOCATION: 1ST LAYER BRAIDED TEXTILE YARN AND OUTER LAYER MOLDED RUBBER, SYNTHETIC
•
MATERIAL: RUBBER ETHYLENE-PROPYLENE CLASS EPM TUBE
•
BURST TEST PRESSURE: 100.0 POUNDS PER SQUARE INCH SINGLE RESPONSE LBS
•
INSIDE SURFACE CONDITION: SMOOTH
•
MEASURING METHOD AND LENGTH: 18.500 INCHES NOMINAL OVERALL IN
•
TEMP RATING: -65.0 FAHRENHEIT AND 212.0 FAHRENHEIT SINGLE RESPONSE DEGF
TECHNICAL CHARACTERISTICS (FLIS)
SPECIFICATION/STANDARD DATA81343-SAE J20 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
OUTSIDE DIAMETER2.781 INCHES NOMINAL IN
LAYER COMPOSITION AND LOCATION1ST LAYER BRAIDED TEXTILE YARN AND OUTER LAYER MOLDED RUBBER, SYNTHETIC
MATERIALRUBBER ETHYLENE-PROPYLENE CLASS EPM TUBE
BURST TEST PRESSURE100.0 POUNDS PER SQUARE INCH SINGLE RESPONSE LBS
INSIDE SURFACE CONDITIONSMOOTH
MEASURING METHOD AND LENGTH18.500 INCHES NOMINAL OVERALL IN
TEMP RATING-65.0 FAHRENHEIT AND 212.0 FAHRENHEIT SINGLE RESPONSE DEGF
OUTER COVERING ENVIRONMENTAL PROTECTIONMILDEW RESISTANT AND OIL RESISTANT AND OZONE RESISTANT
CROSS-SECTIONAL SHAPE STYLEROUND
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
Y51Interchangeable
interchangeable cross-reference
interchangeable
Y3AInterchangeable
interchangeable cross-reference
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M5000-201CInterchangeable
interchangeable cross-reference
interchangeable
20R1ECLTHA64X470Interchangeable
Same NIIN cross-reference
interchangeable
J20Interchangeable
Same NIIN cross-reference
interchangeable
SAE-J20/1Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 3033A?
3033A is a BRUSH,ELECTRICAL CONTACT.
What parts can replace 3033A?
There are 8 known substitutes for 3033A: Y51, Y3A, M5000-201C and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 3033A?
3033A is cataloged in the Federal Logistics Information System (FLIS) under NSN 4720-00-203-3031. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026