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Technical Data Sheet
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056668 — GASKET

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

056668: GASKET.

The GASKET is a the manufacturer industrial component. Key specifications include material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OVERALL, overall_width: 9.900 INCHES NOMINAL IN, overall_length: 33.310 INCHES NOMINAL IN, cross-sectional_thickness: 0.047 INCHES MINIMUM AND 0.077 INCHES MAXIMUM IN, material_document_and_classification: MIL-R-6855, CLASS 1, GRADE 60 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 5330-01-367-6605, 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
056668
NSN: 5330-01-367-6605
NIINs: 013676605, 014085433
FSC: 5330 — Packing and Gasket Materials
CAGE: 57328 — BAUER COMPRESSORS, INC. (USA)
SPECIFICATIONS
materialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OVERALL
overall_width9.900 INCHES NOMINAL IN
overall_length33.310 INCHES NOMINAL IN
cross-sectional_thickness0.047 INCHES MINIMUM AND 0.077 INCHES MAXIMUM IN
material_document_and_classificationMIL-R-6855, CLASS 1, GRADE 60 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN5330-01-367-6605
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 056668 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
SUBSTITUTES & CROSS-REFERENCES 1
56668-090Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 056668?
056668 is a GASKET.
What parts can replace 056668?
There is 1 known substitute for 056668: 56668-090. Substitute compatibility should be verified for your specific system.
What is the NSN for 056668?
056668 is cataloged in the U.S. Government catalog under NSN 5330-01-367-6605. This indicates validated use in U.S. government and defense supply chains.
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