PartsTable
Technical Data Sheet
C7968-1 ✓ 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

SEAL,NONMETALLIC SPECIAL SHAPED. Key specifications include material: RUBBER OVERALL, construction: TWO-PIECETWO-PIECE, style_designator: CIRCULAR, aperture_diameter: 46.500 INCHES NOMINAL46.500 INCHES NOMINAL IN, material_document_and_classification: ZZ-R-765 CL 3 GR 50 FED SPEC SINGLE MATERIAL RESPONSE OVERALL. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-01-051-3708, 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
C7968-1
NSN: 5330-01-051-3708
FSC: 5330
CAGE: 81755 — LOCKHEED MARTIN CORPORATION DIV LOCKHEED MARTIN AERONAUTICS COMPANY (USA)
SPECIFICATIONS
materialRUBBER OVERALL
constructionTWO-PIECETWO-PIECE
style_designatorCIRCULAR
aperture_diameter46.500 INCHES NOMINAL46.500 INCHES NOMINAL IN
material_document_and_classificationZZ-R-765 CL 3 GR 50 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN5330-01-051-3708
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: C7968-1 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
CONSTRUCTION: TWO-PIECETWO-PIECE
STYLE DESIGNATOR: CIRCULAR
APERTURE DIAMETER: 46.500 INCHES NOMINAL46.500 INCHES NOMINAL IN
MATERIAL: RUBBER OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION: ZZ-R-765 CL 3 GR 50 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
CONSTRUCTIONTWO-PIECETWO-PIECE
STYLE DESIGNATORCIRCULAR
APERTURE DIAMETER46.500 INCHES NOMINAL46.500 INCHES NOMINAL IN
MATERIALRUBBER OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONZZ-R-765 CL 3 GR 50 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 18
4981Interchangeable
interchangeable cross-reference
interchangeable
8017086Interchangeable
interchangeable cross-reference
interchangeable
D15-633APC608-609Interchangeable
interchangeable cross-reference
interchangeable
D15-633NPC608-609Interchangeable
interchangeable cross-reference
interchangeable
D15-700JPC608-609Interchangeable
interchangeable cross-reference
interchangeable
NNNF00240Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is C7968-1?
C7968-1 is a SEAL,NONMETALLIC SPECIAL SHAPED.
What parts can replace C7968-1?
There are 18 known substitutes for C7968-1: 4981, 8017086, D15-633APC608-609 and 15 more. Substitute compatibility should be verified for your specific system.
What is the NSN for C7968-1?
C7968-1 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-01-051-3708. This indicates validated use in U.S. government and defense supply chains.
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