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1649644 — PACKING,PREFORMED

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

1649644: PACKING,PREFORMED.

The PACKING,PREFORMED is a the manufacturer industrial component. Key specifications include material: RUBBER POLYISOPRENE NATURAL CLASS NR OR RUBBER POLYISOPRENE SYNTHETIC CLASS IR OVERALL, hardness_rating: 45.0 SHORE DUROMETER A MINIMUM AND 55.0 SHORE DUROMETER A MAXIMUM OVERALL, peripheral_diameter: 12.940 INCHES NOMINAL IN, center_hole_diameter: 11.400 INCHES MINIMUM AND 11.480 INCHES MAXIMUM IN, cross-sectional_height: 0.960 INCHES MINIMUM AND 1.040 INCHES MAXIMUM IN, cross-sectional_thickness: 0.750 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-723-6985, 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
1649644
NSN: 5330-00-723-6985
FSC: 5330 — Packing and Gasket Materials
CAGE: 10001 — NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER (USA)
SPECIFICATIONS
materialRUBBER POLYISOPRENE NATURAL CLASS NR OR RUBBER POLYISOPRENE SYNTHETIC CLASS IR OVERALL
hardness_rating45.0 SHORE DUROMETER A MINIMUM AND 55.0 SHORE DUROMETER A MAXIMUM OVERALL
peripheral_diameter12.940 INCHES NOMINAL IN
center_hole_diameter11.400 INCHES MINIMUM AND 11.480 INCHES MAXIMUM IN
cross-sectional_height0.960 INCHES MINIMUM AND 1.040 INCHES MAXIMUM IN
cross-sectional_thickness0.750 INCHES NOMINAL IN
cross-sectional_shape_styleCUP
material_document_and_classificationASTM D2000 4AA510ABF1 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NSN5330-00-723-6985
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 1649644 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
•
CROSS-SECTIONAL THICKNESS: 0.750 INCHES NOMINAL IN
•
CROSS-SECTIONAL HEIGHT: 0.960 INCHES MINIMUM AND 1.040 INCHES MAXIMUM IN
•
HARDNESS RATING: 45.0 SHORE DUROMETER A MINIMUM AND 55.0 SHORE DUROMETER A MAXIMUM OVERALL
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM D2000 4AA510ABF1 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
CROSS-SECTIONAL SHAPE STYLE: CUP
•
PERIPHERAL DIAMETER: 12.940 INCHES NOMINAL IN
•
CENTER HOLE DIAMETER: 11.400 INCHES MINIMUM AND 11.480 INCHES MAXIMUM IN
•
MATERIAL: RUBBER POLYISOPRENE NATURAL CLASS NR OR RUBBER POLYISOPRENE SYNTHETIC CLASS IR OVERALL
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL THICKNESS0.750 INCHES NOMINAL IN
CROSS-SECTIONAL HEIGHT0.960 INCHES MINIMUM AND 1.040 INCHES MAXIMUM IN
HARDNESS RATING45.0 SHORE DUROMETER A MINIMUM AND 55.0 SHORE DUROMETER A MAXIMUM OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONASTM D2000 4AA510ABF1 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
CROSS-SECTIONAL SHAPE STYLECUP
PERIPHERAL DIAMETER12.940 INCHES NOMINAL IN
CENTER HOLE DIAMETER11.400 INCHES MINIMUM AND 11.480 INCHES MAXIMUM IN
MATERIALRUBBER POLYISOPRENE NATURAL CLASS NR OR RUBBER POLYISOPRENE SYNTHETIC CLASS IR OVERALL
OTHER ITEMS IN FSC 5330 — Packing and Gasket Materials
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5330-00-000-0085 5330-00-000-0167 5330-00-000-5275 5330-00-001-1260 5330-00-001-1833 5330-00-001-1844 5330-00-001-1845 5330-00-001-1846
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Terminal item — stock exhausted; no further procurementNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 1649644?
1649644 is a PACKING,PREFORMED.
What is the NSN for 1649644?
1649644 is cataloged in the U.S. Government catalog under NSN 5330-00-723-6985. This indicates validated use in U.S. government and defense supply chains.
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