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R49388-910G — O-RING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

R49388-910G: O-RING.

The O-RING is a the manufacturer industrial component. Key specifications include material: RUBBER FLUOROCARBON CLASS FPM, temp_rating: -15.0 FAHRENHEIT AND 400.0 FAHRENHEIT DEGF, hardness_rating: 70.0 SHORE DUROMETER A MINIMUM AND 80.0 SHORE DUROMETER A MAXIMUM, outside_diameter: 0.934 INCHES MINIMUM AND 0.964 INCHES MAXIMUM IN, center_hole_diameter: 0.746 INCHES MINIMUM AND 0.764 INCHES MAXIMUM IN, elongation_percentage: 125 MAXIMUM. This part is cataloged in the U.S.

Government catalog under NSN 5331-00-020-0067, 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
R49388-910G
NSN: 5331-00-020-0067
NIINs: 000200067, 015546227
FSC: 5331 — O-ring
CAGE: D9182 — ZF INDUSTRIEANTRIEBE WITTEN GMBH (DEU)
SPECIFICATIONS
materialRUBBER FLUOROCARBON CLASS FPM
temp_rating-15.0 FAHRENHEIT AND 400.0 FAHRENHEIT DEGF
hardness_rating70.0 SHORE DUROMETER A MINIMUM AND 80.0 SHORE DUROMETER A MAXIMUM
outside_diameter0.934 INCHES MINIMUM AND 0.964 INCHES MAXIMUM IN
center_hole_diameter0.746 INCHES MINIMUM AND 0.764 INCHES MAXIMUM IN
elongation_percentage125 MAXIMUM
cross-sectional_height0.094 INCHES MINIMUM AND 0.100 INCHES MAXIMUM IN
end_item_identificationFIFTH-STAGE COOLER/SEPARATOR
nondefinitive_spec/std_data1 TYPE AND 1 CLASS
material_document_and_classificationMIL-R-83248, CL1 MIL SPEC SINGLE MATERIAL RESPONSE
NSN5331-00-020-0067
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: R49388-910G 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: 0.094 INCHES MINIMUM AND 0.100 INCHES MAXIMUM IN
•
OUTSIDE DIAMETER: 0.934 INCHES MINIMUM AND 0.964 INCHES MAXIMUM IN
•
HARDNESS RATING: 70.0 SHORE DUROMETER A MINIMUM AND 80.0 SHORE DUROMETER A MAXIMUM
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-R-83248, CL1 MIL SPEC SINGLE MATERIAL RESPONSE
•
ELONGATION PERCENTAGE: 125 MAXIMUM
•
NONDEFINITIVE SPEC/STD DATA: 1 TYPE AND 1 CLASS
•
CENTER HOLE DIAMETER: 0.746 INCHES MINIMUM AND 0.764 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
TEMP RATING-15.0 FAHRENHEIT AND 400.0 FAHRENHEIT DEGF
CROSS-SECTIONAL HEIGHT0.094 INCHES MINIMUM AND 0.100 INCHES MAXIMUM IN
OUTSIDE DIAMETER0.934 INCHES MINIMUM AND 0.964 INCHES MAXIMUM IN
HARDNESS RATING70.0 SHORE DUROMETER A MINIMUM AND 80.0 SHORE DUROMETER A MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-R-83248, CL1 MIL SPEC SINGLE MATERIAL RESPONSE
ELONGATION PERCENTAGE125 MAXIMUM
NONDEFINITIVE SPEC/STD DATA1 TYPE AND 1 CLASS
CENTER HOLE DIAMETER0.746 INCHES MINIMUM AND 0.764 INCHES MAXIMUM IN
END ITEM IDENTIFICATIONMRAP - COUGAR CAT1; MRAP - M-ATV UI
MATERIALRUBBER FLUOROCARBON CLASS FPM
SUBSTITUTES & CROSS-REFERENCES 10
M83248/1-910Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
137.000.825Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
J221P910Reference document
Same NSN cross-reference
Reference document — Secondary reference
PRP3-910-19357Reference document
Same NSN cross-reference
Reference document — Secondary reference
524Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
HL19354-132Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is R49388-910G?
R49388-910G is a O-RING.
What parts can replace R49388-910G?
There are 10 known substitutes for R49388-910G: M83248/1-910, 137.000.825, J221P910 and 7 more. Substitute compatibility should be verified for your specific system.
What is the NSN for R49388-910G?
R49388-910G is cataloged in the U.S. Government catalog under NSN 5331-00-020-0067. 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.