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Technical Data Sheet
PartsTable / COMPONENT / 648974
648974 ✓ 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 GASKET is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY OVERALL, outside_diameter: 1.500 INCHES NOMINAL IN, style_designator: CIRCULAR, aperture_diameter: 1.266 INCHES NOMINAL IN, cross-sectional_thickness: 0.064 INCHES NOMINAL IN, cross-sectional_shape_style: RECTANGULAR METAL. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-737-3354, 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
648974
NSN: 5330-00-737-3354
FSC: 5330
CAGE: 24617 — GENERAL MOTORS CORP (USA)
SPECIFICATIONS
materialCOPPER ALLOY OVERALL
outside_diameter1.500 INCHES NOMINAL IN
style_designatorCIRCULAR
aperture_diameter1.266 INCHES NOMINAL IN
cross-sectional_thickness0.064 INCHES NOMINAL IN
cross-sectional_shape_styleRECTANGULAR METAL
material_document_and_classificationQQ-C-576 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN5330-00-737-3354
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 648974 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 SHAPE STYLE: RECTANGULAR METAL
•
APERTURE DIAMETER: 1.266 INCHES NOMINAL IN
•
CROSS-SECTIONAL THICKNESS: 0.064 INCHES NOMINAL IN
•
MATERIAL: COPPER ALLOY OVERALL
•
STYLE DESIGNATOR: CIRCULAR
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-C-576 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
OUTSIDE DIAMETER: 1.500 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
CROSS-SECTIONAL SHAPE STYLERECTANGULAR METAL
APERTURE DIAMETER1.266 INCHES NOMINAL IN
CROSS-SECTIONAL THICKNESS0.064 INCHES NOMINAL IN
MATERIALCOPPER ALLOY OVERALL
STYLE DESIGNATORCIRCULAR
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-C-576 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
OUTSIDE DIAMETER1.500 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 16
D20J9Interchangeable
interchangeable cross-reference
interchangeable
28037Interchangeable
interchangeable cross-reference
interchangeable
Z-6577-1 TYPE DWG P/N 28037Interchangeable
interchangeable cross-reference
interchangeable
X436162Interchangeable
interchangeable cross-reference
interchangeable
2504709-37Interchangeable
interchangeable cross-reference
interchangeable
172477-011Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 648974?
648974 is a GASKET.
What parts can replace 648974?
There are 16 known substitutes for 648974: D20J9, 28037, Z-6577-1 TYPE DWG P/N 28037 and 13 more. Substitute compatibility should be verified for your specific system.
Is 648974 still available?
648974 is currently cancelled.
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Last verified: July 2026