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Technical Data Sheet
648304 ✓ 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: STEEL COMP 1117 OVERALL, nut_style: HEXAGON, nut_height: 0.302 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN, thread_series: UNEF, thread_direction: RIGHT-HAND, width_across_flats: 1.240 INCHES MINIMUM AND 1.260 INCHES MAXIMUM IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-083-0349, 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
648304
NSN: 5330-00-083-0349
FSC: 5330
CAGE: 83259 — PARKER-HANNIFIN CORPORATION DBA PNEUTRONICS DIV COMPOSITE SEALING SYSTEMS DIVISION (USA)
SPECIFICATIONS
materialSTEEL COMP 1117 OVERALL
nut_styleHEXAGON
nut_height0.302 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN
thread_seriesUNEF
thread_directionRIGHT-HAND
width_across_flats1.240 INCHES MINIMUM AND 1.260 INCHES MAXIMUM IN
nominal_thread_size0.875 INCHES IN
bearing_surface_typeWASHER FACED
thread_pitch_diameters+0.8425 TO 0.8472 INCHES IN
thread_quantity_per_inch20
material_document_and_classificationSAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NSN5330-00-083-0349
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 648304 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: METAL AND SYNTHETIC RUBBER
APERTURE DIAMETER: 1.375 INCHES NOMINAL IN
MATERIAL: ALUMINUM ALLOY 6061 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-A-327,TEMPER T6,6061 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: MIL-A-8625,TY 2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
CROSS-SECTIONAL THICKNESS: 0.077 INCHES MINIMUM AND 0.083 INCHES MAXIMUM IN
SURFACE TREATMENT: ANODIZE OVERALL
HOLE DIAMETER: 0.281 INCHES MINIMUM AND 0.289 INCHES MAXIMUM LOCATION NOT OTHERWISE SPECIFIED IN
TECHNICAL CHARACTERISTICS (FLIS)
CROSS-SECTIONAL SHAPE STYLEMETAL AND SYNTHETIC RUBBER
APERTURE DIAMETER1.375 INCHES NOMINAL IN
MATERIALALUMINUM ALLOY 6061 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-327,TEMPER T6,6061 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-A-8625,TY 2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
CROSS-SECTIONAL THICKNESS0.077 INCHES MINIMUM AND 0.083 INCHES MAXIMUM IN
SURFACE TREATMENTANODIZE OVERALL
HOLE DIAMETER0.281 INCHES MINIMUM AND 0.289 INCHES MAXIMUM LOCATION NOT OTHERWISE SPECIFIED IN
CENTER TO CENTER DISTANCE BETWEEN BOLT HOLES ALONG WIDTH0.879 INCHES MINIMUM AND 0.889 INCHES MAXIMUM LOCATION NOT OTHERWISE SPECIFIED IN
CENTER TO CENTER DISTANCE BETWEEN BOLT HOLES ALONG LENGTH1.768 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 15
256853Interchangeable
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853386Interchangeable
interchangeable cross-reference
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40136Interchangeable
interchangeable cross-reference
interchangeable
2304-0136Interchangeable
interchangeable cross-reference
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370036AInterchangeable
interchangeable cross-reference
interchangeable
14212Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 648304?
648304 is a GASKET.
What parts can replace 648304?
There are 15 known substitutes for 648304: 256853, 853386, 40136 and 12 more. Substitute compatibility should be verified for your specific system.
Is 648304 still available?
648304 is currently cancelled.
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