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Technical Data Sheet
PartsTable / O-RING / R1392
R1392 ✓ 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, outside_diameter: 0.243 INCHES MINIMUM AND 0.265 INCHES MAXIMUM IN, center_hole_diameter: 0.109 INCHES MINIMUM AND 0.119 INCHES MAXIMUM IN, cross-sectional_height: 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN, end_item_identification: CONTROLLER,MASTER CAUTION LIGHT,PART NO. R1183-5,NSN 6340008775366,B52 AIRCRAFT.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-00-252-6048, 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
R1392
NSN: 5331-00-252-6048
FSC: 5331 — O-RING
CAGE: F1786 — VECTOR AEROSPACE FRANCE (FRA)
SPECIFICATIONS
materialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
outside_diameter0.243 INCHES MINIMUM AND 0.265 INCHES MAXIMUM IN
center_hole_diameter0.109 INCHES MINIMUM AND 0.119 INCHES MAXIMUM IN
cross-sectional_height0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
end_item_identificationCONTROLLER,MASTER CAUTION LIGHT,PART NO. R1183-5,NSN 6340008775366,B52 AIRCRAFT
NSN5331-00-252-6048
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: R1392 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
•
OUTSIDE DIAMETER: 0.243 INCHES MINIMUM AND 0.265 INCHES MAXIMUM IN
•
CROSS-SECTIONAL HEIGHT: 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
•
MATERIAL: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
•
CENTER HOLE DIAMETER: 0.109 INCHES MINIMUM AND 0.119 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
OUTSIDE DIAMETER0.243 INCHES MINIMUM AND 0.265 INCHES MAXIMUM IN
CROSS-SECTIONAL HEIGHT0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
MATERIALRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
CENTER HOLE DIAMETER0.109 INCHES MINIMUM AND 0.119 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 30
A-020SR822-60Interchangeable
interchangeable cross-reference
interchangeable
GS570EM020Interchangeable
interchangeable cross-reference
interchangeable
MS29513-020Interchangeable
interchangeable cross-reference
interchangeable
MS29513-021Interchangeable
interchangeable cross-reference
interchangeable
3113858Interchangeable
interchangeable cross-reference
interchangeable
MS29513-21Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is R1392?
R1392 is a O-RING.
What parts can replace R1392?
There are 30 known substitutes for R1392: A-020SR822-60, GS570EM020, MS29513-020 and 27 more. Substitute compatibility should be verified for your specific system.
Is R1392 still available?
R1392 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026