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B5555 — DOOR,ACCESS,UTILITY

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

B5555: DOOR,ACCESS,UTILITY.

The DOOR,ACCESS,UTILITY is a the manufacturer industrial component. Key specifications include width: 12.0 INCHES NOMINAL IN, length: 16.0 INCHES NOMINAL IN, material: STEEL, inside_width: 14.7500 INCHES NOMINAL IN, inside_length: 4.5625 INCHES NOMINAL IN, body_thickness: 0.5000 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5330-01-368-4945, 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
B5555
NSN: 5330-01-368-4945
NIINs: 013684945, 016478643
FSC: 5330 — Packing and Gasket Materials
CAGE: 28953 — RIX INDUSTRIES (USA)
SPECIFICATIONS
width12.0 INCHES NOMINAL IN
length16.0 INCHES NOMINAL IN
materialSTEEL
inside_width14.7500 INCHES NOMINAL IN
inside_length4.5625 INCHES NOMINAL IN
body_thickness0.5000 INCHES NOMINAL IN
special_featuresP/N A125-51 IS AN OIL WIPER RING ASSEMBLY CONSISTING OF 5 RINGS,2 EA P/N 125-51-1, 2 EA P/N 125-51-2, 1 EA P/N 125-51-3
securing_device_typeHINGE
peripheral_shape_styleOVAL, NO HOLES
first_recess_inside_height3.3125 INCHES NOMINAL IN
cross-sectional_shape_styleSQUARE OR RECTANGULAR RECESS
material_document_and_classificationASTM A516-70 ASSN STD SINGLE MATERIAL RESPONSE
NSN5330-01-368-4945
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: B5555 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
TECHNICAL CHARACTERISTICS
SPECIAL FEATURESP/N A125-51 IS AN OIL WIPER RING ASSEMBLY CONSISTING OF 5 RINGS,2 EA P/N 125-51-1, 2 EA P/N 125-51-2, 1 EA P/N 125-51-3
SUBSTITUTES & CROSS-REFERENCES 1
125-51-3Reference 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 B5555?
B5555 is a DOOR,ACCESS,UTILITY.
What parts can replace B5555?
There is 1 known substitute for B5555: 125-51-3. Substitute compatibility should be verified for your specific system.
What is the NSN for B5555?
B5555 is cataloged in the U.S. Government catalog under NSN 5330-01-368-4945. This indicates validated use in U.S. government and defense supply chains.
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