PartsTable
Technical Data Sheet
1273458 ✓ 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 160.0 FAHRENHEIT DEGF, center_hole_diameter: 1.865 INCHES MINIMUM AND 1.885 INCHES MAXIMUM IN, cross-sectional_height: 0.057 INCHES MINIMUM AND 0.067 INCHES MAXIMUM IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-00-599-2181, 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
1273458
NSN: 5331-00-599-2181
FSC: 5331 — O-RING
CAGE: 12204 — CHRYSLER REALTY COMPANY LLC DBA DAIMLER CHRYSLER (USA)
SPECIFICATIONS
materialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
temp_rating-65.0 FAHRENHEIT AND 160.0 FAHRENHEIT DEGF
center_hole_diameter1.865 INCHES MINIMUM AND 1.885 INCHES MAXIMUM IN
cross-sectional_height0.057 INCHES MINIMUM AND 0.067 INCHES MAXIMUM IN
NSN5331-00-599-2181
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 1273458 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: 1.865 INCHES MINIMUM AND 1.885 INCHES MAXIMUM IN
CROSS-SECTIONAL HEIGHT: 0.057 INCHES MINIMUM AND 0.067 INCHES MAXIMUM IN
TEMP RATING: -65.0 FAHRENHEIT AND 160.0 FAHRENHEIT DEGF
MATERIAL: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
TECHNICAL CHARACTERISTICS (FLIS)
CENTER HOLE DIAMETER1.865 INCHES MINIMUM AND 1.885 INCHES MAXIMUM IN
CROSS-SECTIONAL HEIGHT0.057 INCHES MINIMUM AND 0.067 INCHES MAXIMUM IN
TEMP RATING-65.0 FAHRENHEIT AND 160.0 FAHRENHEIT DEGF
MATERIALRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
VERIFIED SUBSTITUTES & CROSS-REFERENCES 25
MILP5516Interchangeable
interchangeable cross-reference
interchangeable
5330000546935Interchangeable
interchangeable cross-reference
interchangeable
AMS-P-5516Interchangeable
interchangeable cross-reference
interchangeable
200034Interchangeable
interchangeable cross-reference
interchangeable
425276-4Interchangeable
interchangeable cross-reference
interchangeable
B108A39Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1273458?
1273458 is a O-RING.
What parts can replace 1273458?
There are 25 known substitutes for 1273458: MILP5516, 5330000546935, AMS-P-5516 and 22 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 1273458?
1273458 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-00-599-2181. This indicates validated use in U.S. government and defense supply chains.
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