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U10644 — PACKING,PREFORMED

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

U10644: PACKING,PREFORMED.

The PACKING,PREFORMED is a the manufacturer industrial component. Key specifications include material: RUBBER ETHYLENE-PROPYLENE CLASS EPM OVERALL, temp_rating: -70.0 FAHRENHEIT AND 250.0 FAHRENHEIT DEGF, hardness_rating: 80.0 SHORE DUROMETER A NOMINAL OVERALL, peripheral_diameter: 3.230 INCHES MINIMUM AND 3.294 INCHES MAXIMUM IN, center_hole_diameter: 2.960 INCHES MINIMUM AND 3.008 INCHES MAXIMUM IN, cross-sectional_height: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5330-01-150-5102, 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
U10644
NSN: 5330-01-150-5102
FSC: 5330 — Packing and Gasket Materials
CAGE: C5810 — DRAGER SAFETY AG & CO. KGAA (DEU)
SPECIFICATIONS
materialRUBBER ETHYLENE-PROPYLENE CLASS EPM OVERALL
temp_rating-70.0 FAHRENHEIT AND 250.0 FAHRENHEIT DEGF
hardness_rating80.0 SHORE DUROMETER A NOMINAL OVERALL
peripheral_diameter3.230 INCHES MINIMUM AND 3.294 INCHES MAXIMUM IN
center_hole_diameter2.960 INCHES MINIMUM AND 3.008 INCHES MAXIMUM IN
cross-sectional_height0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
cross-sectional_shape_styleO-RING
cross_section_outside_diameter0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
material_document_and_classificationCOMP E663,FSCM 02697 MFR REF SINGLE MATERIAL RESPONSE OVERALL
NSN5330-01-150-5102
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: U10644 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: -70.0 FAHRENHEIT AND 250.0 FAHRENHEIT DEGF
•
CROSS-SECTIONAL HEIGHT: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
•
HARDNESS RATING: 80.0 SHORE DUROMETER A NOMINAL OVERALL
•
MATERIAL DOCUMENT AND CLASSIFICATION: COMP E663,FSCM 02697 MFR REF SINGLE MATERIAL RESPONSE OVERALL
•
CROSS-SECTIONAL SHAPE STYLE: O-RING
•
PERIPHERAL DIAMETER: 3.230 INCHES MINIMUM AND 3.294 INCHES MAXIMUM IN
•
CENTER HOLE DIAMETER: 2.960 INCHES MINIMUM AND 3.008 INCHES MAXIMUM IN
•
CROSS SECTION OUTSIDE DIAMETER: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
TEMP RATING-70.0 FAHRENHEIT AND 250.0 FAHRENHEIT DEGF
CROSS-SECTIONAL HEIGHT0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
HARDNESS RATING80.0 SHORE DUROMETER A NOMINAL OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONCOMP E663,FSCM 02697 MFR REF SINGLE MATERIAL RESPONSE OVERALL
CROSS-SECTIONAL SHAPE STYLEO-RING
PERIPHERAL DIAMETER3.230 INCHES MINIMUM AND 3.294 INCHES MAXIMUM IN
CENTER HOLE DIAMETER2.960 INCHES MINIMUM AND 3.008 INCHES MAXIMUM IN
CROSS SECTION OUTSIDE DIAMETER0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
MATERIALRUBBER ETHYLENE-PROPYLENE CLASS EPM OVERALL
SUBSTITUTES & CROSS-REFERENCES 3
2-234E663-8Reference document
Same NSN cross-reference
Reference document — Secondary reference
2-234E540-80Reference document
Same NSN cross-reference
Reference document — Secondary reference
2-234E663-80Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is U10644?
U10644 is a PACKING,PREFORMED.
What parts can replace U10644?
There are 3 known substitutes for U10644: 2-234E663-8, 2-234E540-80, 2-234E663-80. Substitute compatibility should be verified for your specific system.
What is the NSN for U10644?
U10644 is cataloged in the U.S. Government catalog under NSN 5330-01-150-5102. 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.