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Technical Data Sheet
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129839 ✓ Verified by PartsTable
— · ORING SEAL
WHAT YOU NEED TO KNOW
Material determines chemical compatibility Standard durometer is 70 Shore A
Wrong material = catastrophic seal failure
PRODUCT OVERVIEW

The SHAFT,VALVE is a the manufacturer industrial component. Key specifications include width: 1.800 INCHES MINIMUM AND 1.880 INCHES MAXIMUM IN, length: 1.800 INCHES MINIMUM AND 1.880 INCHES MAXIMUM IN, material: STEEL CORROSION RESISTING, corner_radius: 0.205 INCHES MINIMUM AND 0.235 INCHES MAXIMUM IN, hole_diameter: 0.205 INCHES MINIMUM AND 0.235 INCHES MAXIMUM IN, body_thickness: 0.008 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-084-7787, 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
129839
NSN: 5340-00-084-7787
FSC: 5340
CAGE: ZC672 — CUMMINS SOUTH PACIFIC PTY LTD HEAD OFFICE (AUS)
SPECIFICATIONS
width1.800 INCHES MINIMUM AND 1.880 INCHES MAXIMUM IN
length1.800 INCHES MINIMUM AND 1.880 INCHES MAXIMUM IN
materialSTEEL CORROSION RESISTING
corner_radius0.205 INCHES MINIMUM AND 0.235 INCHES MAXIMUM IN
hole_diameter0.205 INCHES MINIMUM AND 0.235 INCHES MAXIMUM IN
body_thickness0.008 INCHES NOMINAL IN
surface_treatmentPASSIVATE
fsc_application_dataFUEL SHIELD,SHUT-OFF VALVE,ENGINE ACCESSORY,NONAIRCRAFT
securing_device_typeTHREADED FASTENER
peripheral_shape_styleRECTANGLE, FOUR HOLES
end_item_identification4310-00-878-1905; ROTARY AIR COMPRESSOR
cross-sectional_shape_styleFLAT
NSN5340-00-084-7787
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 129839 MFR: OEM ⚠ VERIFY BEFORE ORDERING Wrong material = failure. Viton for oil/fuel, EPDM for water/steam, Buna-N for general purpose, Silicone for food-grade. Chemical incompatibility causes swelling, brittleness, or rapid degradation ✓ BROKER TIP Durometer (hardness) affects sealing pressure tolerance. Higher Shore A = harder = higher pressure. Standard durometer is 70A — verify if application requires different hardness PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
DISTANCE BETWEEN HOLES ALONG LENGTH: 1.390 INCHES MINIMUM AND 1.410 INCHES MAXIMUM IN
•
CROSS-SECTIONAL SHAPE STYLE: FLAT
•
DISTANCE BETWEEN HOLES ALONG WIDTH: 1.390 INCHES MINIMUM AND 1.410 INCHES MAXIMUM IN
•
HOLE DIAMETER: 0.205 INCHES MINIMUM AND 0.235 INCHES MAXIMUM IN
•
FSC APPLICATION DATA: FUEL SHIELD,SHUT-OFF VALVE,ENGINE ACCESSORY,NONAIRCRAFT
•
MATERIAL: STEEL CORROSION RESISTING
•
DISTANCE FROM FIRST HOLE CENTERLINE TO END ALONG WIDTH: 0.205 INCHES MINIMUM AND 0.235 INCHES MAXIMUM IN
•
WIDTH: 1.800 INCHES MINIMUM AND 1.880 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
DISTANCE BETWEEN HOLES ALONG LENGTH1.390 INCHES MINIMUM AND 1.410 INCHES MAXIMUM IN
CROSS-SECTIONAL SHAPE STYLEFLAT
DISTANCE BETWEEN HOLES ALONG WIDTH1.390 INCHES MINIMUM AND 1.410 INCHES MAXIMUM IN
HOLE DIAMETER0.205 INCHES MINIMUM AND 0.235 INCHES MAXIMUM IN
FSC APPLICATION DATAFUEL SHIELD,SHUT-OFF VALVE,ENGINE ACCESSORY,NONAIRCRAFT
MATERIALSTEEL CORROSION RESISTING
DISTANCE FROM FIRST HOLE CENTERLINE TO END ALONG WIDTH0.205 INCHES MINIMUM AND 0.235 INCHES MAXIMUM IN
WIDTH1.800 INCHES MINIMUM AND 1.880 INCHES MAXIMUM IN
DISTANCE FROM FIRST HOLE CENTERLINE TO END ALONG LENGTH0.205 INCHES MINIMUM AND 0.235 INCHES MAXIMUM IN
END ITEM IDENTIFICATION4310-00-878-1905; ROTARY AIR COMPRESSOR
VERIFIED SUBSTITUTES & CROSS-REFERENCES 2
129839Interchangeable
interchangeable cross-reference
interchangeable
471736Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 129839?
129839 is a SHAFT,VALVE.
What parts can replace 129839?
There are 2 known substitutes for 129839: 129839, 471736. Substitute compatibility should be verified for your specific system.
What is the NSN for 129839?
129839 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-084-7787. 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