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120573-12 — O-RING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

120573-12: O-RING.

The O-RING is a the manufacturer industrial component. Key specifications include material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR, outside_diameter: 5.094 INCHES MINIMUM AND 5.180 INCHES MAXIMUM IN, center_hole_diameter: 4.844 INCHES MINIMUM AND 4.874 INCHES MAXIMUM IN, cross-sectional_height: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5331-01-019-2448, 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
120573-12
NSN: 5331-01-019-2448
FSC: 5331 — O-ring
CAGE: 82340 — L3HARRIS TECHNOLOGIES, INC. DIV SPACE AND AIRBORNE SYSTEMS (USA)
SPECIFICATIONS
materialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
outside_diameter5.094 INCHES MINIMUM AND 5.180 INCHES MAXIMUM IN
center_hole_diameter4.844 INCHES MINIMUM AND 4.874 INCHES MAXIMUM IN
cross-sectional_height0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
NSN5331-01-019-2448
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 120573-12 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 HEIGHT: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
•
OUTSIDE DIAMETER: 5.094 INCHES MINIMUM AND 5.180 INCHES MAXIMUM IN
•
CENTER HOLE DIAMETER: 4.844 INCHES MINIMUM AND 4.874 INCHES MAXIMUM IN
•
MATERIAL: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL HEIGHT0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
OUTSIDE DIAMETER5.094 INCHES MINIMUM AND 5.180 INCHES MAXIMUM IN
CENTER HOLE DIAMETER4.844 INCHES MINIMUM AND 4.874 INCHES MAXIMUM IN
MATERIALRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
SUBSTITUTES & CROSS-REFERENCES 9
ARP568-249MILP5 516Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
AS28775Reference document
Same NSN cross-reference
Reference document — Secondary reference
5331PL0810012Reference document
Same NSN cross-reference
Reference document — Informative reference only
8478924Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
PRP568-249-479- 70Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
2-249 N304-75Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Shelf-life managedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 120573-12?
120573-12 is a O-RING.
What parts can replace 120573-12?
There are 9 known substitutes for 120573-12: ARP568-249MILP5 516, AS28775, 5331PL0810012 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 120573-12?
120573-12 is cataloged in the U.S. Government catalog under NSN 5331-01-019-2448. This indicates validated use in U.S. government and defense supply chains.
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