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MS28775-447 — O-RING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

MS28775-447: O-RING.

The O-RING is a the manufacturer industrial component. Key specifications include material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR, outside_diameter: 9.458 INCHES MINIMUM AND 9.592 INCHES MAXIMUM IN, center_hole_diameter: 8.920 INCHES MINIMUM AND 9.030 INCHES MAXIMUM IN, cross-sectional_height: 0.269 INCHES MINIMUM AND 0.281 INCHES MAXIMUM IN, part_name_assigned_by_controlling_agency: PACKING,PREFORMED - MS28775 O-RING. This part is cataloged in the U.S.

Government catalog under NSN 5331-01-007-4895, 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
MS28775-447
NSN: 5331-01-007-4895
NIINs: 010074895, 016513766
FSC: 5331 — O-ring
CAGE: D9182 — ZF INDUSTRIEANTRIEBE WITTEN GMBH (DEU)
SPECIFICATIONS
materialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
outside_diameter9.458 INCHES MINIMUM AND 9.592 INCHES MAXIMUM IN
center_hole_diameter8.920 INCHES MINIMUM AND 9.030 INCHES MAXIMUM IN
cross-sectional_height0.269 INCHES MINIMUM AND 0.281 INCHES MAXIMUM IN
part_name_assigned_by_controlling_agencyPACKING,PREFORMED - MS28775 O-RING
NSN5331-01-007-4895
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: MS28775-447 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: -20.0 FAHRENHEIT AND 400.0 FAHRENHEIT DEGF
•
CROSS-SECTIONAL HEIGHT: 0.269 INCHES MINIMUM AND 0.281 INCHES MAXIMUM IN
•
OUTSIDE DIAMETER: 9.525 INCHES NOMINAL IN
•
HARDNESS RATING: 75.0 SHORE DUROMETER A NOMINAL
•
ELONGATION PERCENTAGE: 125 MAXIMUM
•
CENTER HOLE DIAMETER: 8.920 INCHES MINIMUM AND 9.030 INCHES MAXIMUM IN
•
MATERIAL: RUBBER FLUOROCARBON CLASS FPM
TECHNICAL CHARACTERISTICS
TEMP RATING-20.0 FAHRENHEIT AND 400.0 FAHRENHEIT DEGF
CROSS-SECTIONAL HEIGHT0.269 INCHES MINIMUM AND 0.281 INCHES MAXIMUM IN
OUTSIDE DIAMETER9.525 INCHES NOMINAL IN
HARDNESS RATING75.0 SHORE DUROMETER A NOMINAL
ELONGATION PERCENTAGE125 MAXIMUM
CENTER HOLE DIAMETER8.920 INCHES MINIMUM AND 9.030 INCHES MAXIMUM IN
MATERIALRUBBER FLUOROCARBON CLASS FPM
SUBSTITUTES & CROSS-REFERENCES 7
SAE-AMS7276Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
5331PL0810207Reference document
Same NSN cross-reference
Reference document — Informative reference only
845-4687581 ITEM 34Reference document
Same NSN cross-reference
Reference document — Secondary reference
MS9388-447Reference document
Same NSN cross-reference
Reference document — Secondary reference
MIL-R-83248/1Reference document
Same NSN cross-reference
Reference document — Secondary reference
AS3209-447Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Shelf-life managedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is MS28775-447?
MS28775-447 is a O-RING.
What parts can replace MS28775-447?
There are 7 known substitutes for MS28775-447: SAE-AMS7276, 5331PL0810207, 845-4687581 ITEM 34 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for MS28775-447?
MS28775-447 is cataloged in the U.S. Government catalog under NSN 5331-01-007-4895. This indicates validated use in U.S. government and defense supply chains.
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