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2-154 V747-75 — O-RING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

2-154 V747-75: O-RING.

The O-RING is a the manufacturer industrial component. Key specifications include material: RUBBER FLUOROCARBON CLASS FPM, temp_rating: -5.0 CELSIUS AND 205.0 CELSIUS DEGC, hardness_rating: 70.0 SHORE DUROMETER A MINIMUM AND 80.0 SHORE DUROMETER A MAXIMUM, special_features: O-RING SHAPE;OPERATED BY FLUID, HIGH TEMPERATURE, center_hole_diameter: 3.709 INCHES MINIMUM AND 3.765 INCHES MAXIMUM IN, cross-sectional_height: 0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5331-00-166-8399, 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
2-154 V747-75
NSN: 5331-00-166-8399
NIINs: 001668399, 012776589
FSC: 5331 — O-ring
CAGE: 02697 — PARKER-HANNIFIN CORP DIV O-RING DIVISION (USA)
SPECIFICATIONS
materialRUBBER FLUOROCARBON CLASS FPM
temp_rating-5.0 CELSIUS AND 205.0 CELSIUS DEGC
hardness_rating70.0 SHORE DUROMETER A MINIMUM AND 80.0 SHORE DUROMETER A MAXIMUM
special_featuresO-RING SHAPE;OPERATED BY FLUID, HIGH TEMPERATURE
center_hole_diameter3.709 INCHES MINIMUM AND 3.765 INCHES MAXIMUM IN
cross-sectional_height0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
end_item_identification2840-99-645-9394;2840-99-645-9395;2840-99-766-0507;2840-99-766-0508;MODEL RB199MK101/103/104
material_document_and_classificationAMS7280 ASSN STD SINGLE MATERIAL RESPONSE OR ASTMD2000/SAE J200 ASSN STD SINGLE MATERIAL RESPONSE
reference_number_differentiating_characteristicsAS DIFF BY SPEC K2617 HTE7300 PERFORMANCE RQMT TORNADO ACFT ENGINE MODEL RB199
NSN5331-00-166-8399
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 2-154 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
•
TEMP RATING: -15.0 FAHRENHEIT AND 400.0 FAHRENHEIT DEGF
•
CROSS-SECTIONAL HEIGHT: 0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
•
OUTSIDE DIAMETER: 3.909 INCHES MINIMUM AND 3.977 INCHES MAXIMUM IN
•
HARDNESS RATING: 75.0 SHORE DUROMETER A NOMINAL
•
ELONGATION PERCENTAGE: 125 MAXIMUM
•
CENTER HOLE DIAMETER: 3.709 INCHES MINIMUM AND 3.765 INCHES MAXIMUM IN
•
MATERIAL: RUBBER FLUOROCARBON CLASS FPM
TECHNICAL CHARACTERISTICS
TEMP RATING-15.0 FAHRENHEIT AND 400.0 FAHRENHEIT DEGF
CROSS-SECTIONAL HEIGHT0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
OUTSIDE DIAMETER3.909 INCHES MINIMUM AND 3.977 INCHES MAXIMUM IN
HARDNESS RATING75.0 SHORE DUROMETER A NOMINAL
ELONGATION PERCENTAGE125 MAXIMUM
CENTER HOLE DIAMETER3.709 INCHES MINIMUM AND 3.765 INCHES MAXIMUM IN
END ITEM IDENTIFICATIONMULTIPLE LAUNCH ROCKET SYSTEM (MLRS)
MATERIALRUBBER FLUOROCARBON CLASS FPM
SUBSTITUTES & CROSS-REFERENCES 9
10163212Reference document
Same NSN cross-reference
Reference document — Informative reference only
5331001668399Reference document
Same NSN cross-reference
Reference document — Informative reference only
2-154-77-545Reference document
Same NSN cross-reference
Reference document — Secondary reference
2-154N674-70Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
2-154V884-75Reference document
Same NSN cross-reference
Reference document — Secondary reference
M83248/1-154Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 2-154 V747-75?
2-154 V747-75 is a O-RING.
What parts can replace 2-154 V747-75?
There are 9 known substitutes for 2-154 V747-75: 10163212, 5331001668399, 2-154-77-545 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 2-154 V747-75?
2-154 V747-75 is cataloged in the U.S. Government catalog under NSN 5331-00-166-8399. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.