PartsTable
Technical Data Sheet
NAS1593-246 ✓ 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 O-RING is a the manufacturer industrial component. Key specifications include material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR, temp_rating: -65.0 FAHRENHEIT AND 200.0 FAHRENHEIT DEGF, hardness_rating: 65.0 SHORE DUROMETER A NOMINAL, outside_diameter: 4.762 INCHES NOMINAL IN, center_hole_diameter: 4.469 INCHES MINIMUM AND 4.499 INCHES MAXIMUM IN, elongation_percentage: 200 MAXIMUM. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-00-165-1964, 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
NAS1593-246
NSN: 5331-00-165-1964
FSC: 5331 — O-RING
CAGE: 80205 — NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE (USA)
SPECIFICATIONS
materialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
temp_rating-65.0 FAHRENHEIT AND 200.0 FAHRENHEIT DEGF
hardness_rating65.0 SHORE DUROMETER A NOMINAL
outside_diameter4.762 INCHES NOMINAL IN
center_hole_diameter4.469 INCHES MINIMUM AND 4.499 INCHES MAXIMUM IN
elongation_percentage200 MAXIMUM
cross-sectional_height0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
NSN5331-00-165-1964
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: NAS1593-246 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
CENTER HOLE DIAMETER: 4.454 INCHES MINIMUM AND 4.514 INCHES MAXIMUM IN
MATERIAL: RUBBER FLUOROCARBON CLASS FPM
HARDNESS RATING: 75.0 SHORE DUROMETER A NOMINAL
OUTSIDE DIAMETER: 4.724 INCHES MINIMUM AND 4.800 INCHES MAXIMUM IN
TEMP RATING: -15.0 FAHRENHEIT AND 400.0 FAHRENHEIT DEGF
CROSS-SECTIONAL HEIGHT: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
ELONGATION PERCENTAGE: 125 MAXIMUM
TECHNICAL CHARACTERISTICS (FLIS)
CENTER HOLE DIAMETER4.454 INCHES MINIMUM AND 4.514 INCHES MAXIMUM IN
MATERIALRUBBER FLUOROCARBON CLASS FPM
HARDNESS RATING75.0 SHORE DUROMETER A NOMINAL
OUTSIDE DIAMETER4.724 INCHES MINIMUM AND 4.800 INCHES MAXIMUM IN
TEMP RATING-15.0 FAHRENHEIT AND 400.0 FAHRENHEIT DEGF
CROSS-SECTIONAL HEIGHT0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
ELONGATION PERCENTAGE125 MAXIMUM
VERIFIED SUBSTITUTES & CROSS-REFERENCES 13
WG130246Interchangeable
interchangeable cross-reference
interchangeable
SAE-AS3578Interchangeable
interchangeable cross-reference
interchangeable
1376-01-127PInterchangeable
interchangeable cross-reference
interchangeable
S2C246Interchangeable
Same NIIN cross-reference
interchangeable
GS570AP139C448Interchangeable
Same NIIN cross-reference
interchangeable
V1E10502 ITEM 32Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is NAS1593-246?
NAS1593-246 is a O-RING.
What parts can replace NAS1593-246?
There are 13 known substitutes for NAS1593-246: WG130246, SAE-AS3578, 1376-01-127P and 10 more. Substitute compatibility should be verified for your specific system.
Is NAS1593-246 still available?
NAS1593-246 is currently cancelled.
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