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7255-264 PC43 — O-RING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

7255-264 PC43: O-RING.

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: 1.734 INCHES NOMINAL IN, elongation_percentage: 160 MAXIMUM, cross-sectional_height: 0.139 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5331-00-316-3406, 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
7255-264 PC43
NSN: 5331-00-316-3406
FSC: 5331 — O-ring
CAGE: 43689 — HUNTINGTON INGALLS INC DIV NEWPORT NEWS SHIPBUILDING (USA)
SPECIFICATIONS
materialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
temp_rating-65.0 FAHRENHEIT AND 160.0 FAHRENHEIT DEGF
center_hole_diameter1.734 INCHES NOMINAL IN
elongation_percentage160 MAXIMUM
cross-sectional_height0.139 INCHES NOMINAL IN
reference_number_differentiating_characteristicsMATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS
NSN5331-00-316-3406
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 7255-264 PC43 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
•
TEMP RATING: -65.0 FAHRENHEIT AND 160.0 FAHRENHEIT DEGF
•
CROSS-SECTIONAL HEIGHT: 0.139 INCHES NOMINAL IN
•
ELONGATION PERCENTAGE: 160 MAXIMUM
•
CENTER HOLE DIAMETER: 1.734 INCHES NOMINAL IN
•
MATERIAL: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
•
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS: MATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS
TECHNICAL CHARACTERISTICS
TEMP RATING-65.0 FAHRENHEIT AND 160.0 FAHRENHEIT DEGF
CROSS-SECTIONAL HEIGHT0.139 INCHES NOMINAL IN
ELONGATION PERCENTAGE160 MAXIMUM
CENTER HOLE DIAMETER1.734 INCHES NOMINAL IN
MATERIALRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICSMATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS
SUBSTITUTES & CROSS-REFERENCES 4
MS28775-224Reference document
Same NSN cross-reference
Reference document — Secondary reference
000224EBReference document
Same NSN cross-reference
Reference document — Design control — primary reference
N0304 2-224Reference document
Same NSN cross-reference
Reference document — Secondary reference
C8621ITEM12Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 7255-264 PC43?
7255-264 PC43 is a O-RING.
What parts can replace 7255-264 PC43?
There are 4 known substitutes for 7255-264 PC43: MS28775-224, 000224EB, N0304 2-224 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 7255-264 PC43?
7255-264 PC43 is cataloged in the U.S. Government catalog under NSN 5331-00-316-3406. This indicates validated use in U.S. government and defense supply chains.
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