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Technical Data Sheet
PartsTable / O-RING / 3-905 V747-75
3-905 V747-75 ✓ 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 O-RING is a the manufacturer industrial component. Key specifications include color: BLACK, material: RUBBER FLUOROCARBON CLASS FPM OVERALL, temp_rating: -20.0 FAHRENHEIT AND 400.0 FAHRENHEIT DEGF, hardness_rating: 70.0 ROCKWELL C MINIMUM AND 80.0 ROCKWELL C MAXIMUM OVERALL, operating_medium: HYDRAULIC FLUID, PETROLEUM BASE OR LUBRICANT, PETROLEUM BASE OR OIL, PETROLEUM BASE, peripheral_diameter: 0.547 INCHES MINIMUM AND 0.569 INCHES MAXIMUM IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-00-167-5166, 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
3-905 V747-75
NSN: 5331-00-167-5166
FSC: 5331 — O-RING
CAGE: C0308 — PARKER HANNIFIN GMBH O-RING DIVISION (DEU)
SPECIFICATIONS
colorBLACK
materialRUBBER FLUOROCARBON CLASS FPM OVERALL
temp_rating-20.0 FAHRENHEIT AND 400.0 FAHRENHEIT DEGF
hardness_rating70.0 ROCKWELL C MINIMUM AND 80.0 ROCKWELL C MAXIMUM OVERALL
operating_mediumHYDRAULIC FLUID, PETROLEUM BASE OR LUBRICANT, PETROLEUM BASE OR OIL, PETROLEUM BASE
peripheral_diameter0.547 INCHES MINIMUM AND 0.569 INCHES MAXIMUM IN
center_hole_diameter0.409 INCHES MINIMUM AND 0.419 INCHES MAXIMUM IN
cross-sectional_height0.069 INCHES MINIMUM AND 0.075 INCHES MAXIMUM IN
cross-sectional_shape_styleO-RING
specification/standard_data07482-R149+905 MANUFACTURERS SOURCE CONTROL
cross_section_outside_diameter0.069 INCHES MINIMUM AND 0.075 INCHES MAXIMUM IN
material_document_and_classificationV747-75 02697 MFR REF SINGLE MATERIAL RESPONSE OVERALL
NSN5331-00-167-5166
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 3-905 V747-75 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
•
CROSS-SECTIONAL HEIGHT: 0.069 INCHES MINIMUM AND 0.075 INCHES MAXIMUM IN
•
OUTSIDE DIAMETER: 0.547 INCHES MINIMUM AND 0.569 INCHES MAXIMUM IN
•
MATERIAL: RUBBER FLUOROCARBON CLASS FPM
•
HARDNESS RATING: 75.0 SHORE DUROMETER A NOMINAL
•
ELONGATION PERCENTAGE: 125 MAXIMUM
•
CENTER HOLE DIAMETER: 0.409 INCHES MINIMUM AND 0.419 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
END ITEM IDENTIFICATIONSTREAM (STD. TENSIONED REPLENISHMENT AT SEA METHOD); ELEVATORS, AIRCRAFT; AIRCRAFT, AIRLIFTER C-17A; BOILERS, 1200 PSI; AIRCRAFT, SOF ( AC-130H, MC-130H, EC-130E, HC-130); SUPPORT EQUIPMENT, B-1 AIRCRAFT; L.P. COMPRESSORS; STERN GATES; SYSTEMS, 02N2; SAS (STARTING AIR SYS), FFG-7; 2320-01-097-0260 HEMTT (HEAVY EXPANDED MOBILITY TACTICAL TRUCKS) BAP (BRIDGE ADAPTER PALLET). A
CROSS-SECTIONAL HEIGHT0.069 INCHES MINIMUM AND 0.075 INCHES MAXIMUM IN
OUTSIDE DIAMETER0.547 INCHES MINIMUM AND 0.569 INCHES MAXIMUM IN
MATERIALRUBBER FLUOROCARBON CLASS FPM
HARDNESS RATING75.0 SHORE DUROMETER A NOMINAL
ELONGATION PERCENTAGE125 MAXIMUM
CENTER HOLE DIAMETER0.409 INCHES MINIMUM AND 0.419 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 28
3905Interchangeable
interchangeable cross-reference
interchangeable
72-6970-960Interchangeable
interchangeable cross-reference
interchangeable
91T2128Interchangeable
interchangeable cross-reference
interchangeable
6905Interchangeable
interchangeable cross-reference
interchangeable
82-SInterchangeable
interchangeable cross-reference
interchangeable
5715MKInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 3-905 V747-75?
3-905 V747-75 is a O-RING.
What parts can replace 3-905 V747-75?
There are 28 known substitutes for 3-905 V747-75: 3905, 72-6970-960, 91T2128 and 25 more. Substitute compatibility should be verified for your specific system.
Is 3-905 V747-75 still available?
3-905 V747-75 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026