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Technical Data Sheet
845-2109845PC18 ✓ 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 PACKING,PREFORMED is a the manufacturer industrial component. Key specifications include material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OVERALL, temp_rating: -65.0 FAHRENHEIT AND 275.0 FAHRENHEIT DEGF, hardness_rating: 75.0 SHORE DUROMETER A NOMINAL OVERALL, special_features: MATERIAL WILL BE IN ACCORDANCE W/SHIPS PARTS CONTROL CTR ACT HX QC MFG AND TESTING SPECIFICAITON, peripheral_diameter: 0.880 INCHES NOMINAL IN, center_hole_diameter: 0.665 INCHES MINIMUM AND 0.683 INCHES MAXIMUM 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 5330-01-323-1435, 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
845-2109845PC18
NSN: 5330-01-323-1435
FSC: 5330
CAGE: 80064 — NAVAL SHIP SYSTEMS COMMAND (USA)
SPECIFICATIONS
materialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OVERALL
temp_rating-65.0 FAHRENHEIT AND 275.0 FAHRENHEIT DEGF
hardness_rating75.0 SHORE DUROMETER A NOMINAL OVERALL
special_featuresMATERIAL WILL BE IN ACCORDANCE W/SHIPS PARTS CONTROL CTR ACT HX QC MFG AND TESTING SPECIFICAITON
peripheral_diameter0.880 INCHES NOMINAL IN
center_hole_diameter0.665 INCHES MINIMUM AND 0.683 INCHES MAXIMUM IN
elongation_percentage125 MAXIMUM
cross-sectional_height0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
criticality_code_justificationFEAT
NSN5330-01-323-1435
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 845-2109845PC18 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: -65.0 FAHRENHEIT AND 275.0 FAHRENHEIT DEGF
CENTER HOLE DIAMETER: 0.665 INCHES MINIMUM AND 0.683 INCHES MAXIMUM IN
HARDNESS RATING: 75.0 SHORE DUROMETER A NOMINAL OVERALL
CRITICALITY CODE JUSTIFICATION: FEAT
MATERIAL: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OVERALL
CROSS-SECTIONAL HEIGHT: 0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
ELONGATION PERCENTAGE: 125 MAXIMUM
TECHNICAL CHARACTERISTICS (FLIS)
TEMP RATING-65.0 FAHRENHEIT AND 275.0 FAHRENHEIT DEGF
CENTER HOLE DIAMETER0.665 INCHES MINIMUM AND 0.683 INCHES MAXIMUM IN
SPECIAL FEATURESMATERIAL WILL BE IN ACCORDANCE W/SHIPS PARTS CONTROL CTR ACT HX QC MFG AND TESTING SPECIFICAITON
HARDNESS RATING75.0 SHORE DUROMETER A NOMINAL OVERALL
CRITICALITY CODE JUSTIFICATIONFEAT
MATERIALRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OVERALL
CROSS-SECTIONAL HEIGHT0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
ELONGATION PERCENTAGE125 MAXIMUM
PERIPHERAL DIAMETER0.880 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 19
F20-09573PC17Interchangeable
interchangeable cross-reference
interchangeable
71978PC37Interchangeable
interchangeable cross-reference
interchangeable
9454-42PC18Interchangeable
interchangeable cross-reference
interchangeable
5100-8MPITEM9Interchangeable
interchangeable cross-reference
interchangeable
N0304 2-115Interchangeable
interchangeable cross-reference
interchangeable
4115-77Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 845-2109845PC18?
845-2109845PC18 is a PACKING,PREFORMED.
What parts can replace 845-2109845PC18?
There are 19 known substitutes for 845-2109845PC18: F20-09573PC17, 71978PC37, 9454-42PC18 and 16 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 845-2109845PC18?
845-2109845PC18 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-01-323-1435. This indicates validated use in U.S. government and defense supply chains.
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