PartsTable
Technical Data Sheet
NAS1594 ✓ 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 diameter: 0.116 INCHES MINIMUM AND 0.120 INCHES MAXIMUM IN, material: RUBBER SYNTHETIC, point_type: EXTENDED PRONG SQUARE CUT, hardness_rating: 85.0 SHORE DUROMETER A MINIMUM AND 95.0 SHORE DUROMETER A MAXIMUM, special_features: CROSS-SECTIONAL SHAPE STYLE: O-RING;CROSS SECTION OUTSIDE DIAMETER: 0.067 IN. MIN.

AND 0.073 IN. MAX. IN, style_designator: STANDARD.

This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-00-001-4726, 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
NAS1594
NSN: 5331-00-001-4726
FSC: 5331 — O-RING
CAGE: 80205 — NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE (USA)
SPECIFICATIONS
diameter0.116 INCHES MINIMUM AND 0.120 INCHES MAXIMUM IN
materialRUBBER SYNTHETIC
point_typeEXTENDED PRONG SQUARE CUT
hardness_rating85.0 SHORE DUROMETER A MINIMUM AND 95.0 SHORE DUROMETER A MAXIMUM
special_featuresCROSS-SECTIONAL SHAPE STYLE: O-RING;CROSS SECTION OUTSIDE DIAMETER: 0.067 IN. MIN. AND 0.073 IN. MAX. IN
style_designatorSTANDARD
underloop_length2.125 INCHES MINIMUM AND 2.375 INCHES MAXIMUM IN
surface_treatmentCADMIUM OVERALL
center_hole_diameter0.064 INCHES MINIMUM AND 0.076 INCHES MAXIMUM IN
cross-sectional_height0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
end_item_identificationKDC-10 AIRCRAFT
material_document_and_classificationMIL-R-25897 MIL SPEC SINGLE MATERIAL RESPONSE
NSN5331-00-001-4726
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: NAS1594 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: 1.469 INCHES MINIMUM AND 1.499 INCHES MAXIMUM IN
MATERIAL: RUBBER FLUOROCARBON CLASS FPM
CROSS-SECTIONAL HEIGHT: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
CENTER HOLE DIAMETER1.469 INCHES MINIMUM AND 1.499 INCHES MAXIMUM IN
MATERIALRUBBER FLUOROCARBON CLASS FPM
CROSS-SECTIONAL HEIGHT0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
NAS1594Interchangeable
interchangeable cross-reference
interchangeable
MS24665-361Interchangeable
interchangeable cross-reference
interchangeable
5961Interchangeable
interchangeable cross-reference
interchangeable
NAS1594-010Interchangeable
interchangeable cross-reference
interchangeable
NAS1594-010ESInterchangeable
interchangeable cross-reference
interchangeable
NAS1594-017Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is NAS1594?
NAS1594 is a O-RING.
What parts can replace NAS1594?
There are 10 known substitutes for NAS1594: NAS1594, MS24665-361, 5961 and 7 more. Substitute compatibility should be verified for your specific system.
What is the NSN for NAS1594?
NAS1594 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-00-001-4726. This indicates validated use in U.S. government and defense supply chains.
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