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Technical Data Sheet
PartsTable / COMPONENT / 684C033251
684C033251 ✓ 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

The GASKET is a the manufacturer industrial component. Key specifications include material: RUBBER CHLOROPRENE CLASS CR OVERALL, hole_diameter: 0.250 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN, overall_width: 8.312 INCHES NOMINAL IN, aperture_width: 7.562 INCHES NOMINAL IN, overall_length: 11.322 INCHES NOMINAL IN, aperture_length: 10.508 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-01-052-2323, 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
684C033251
NSN: 5330-01-052-2323
FSC: 5330
CAGE: 03956 — NORTHROP GRUMMAN SYSTEMS CORPORATION (USA)
SPECIFICATIONS
materialRUBBER CHLOROPRENE CLASS CR OVERALL
hole_diameter0.250 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
overall_width8.312 INCHES NOMINAL IN
aperture_width7.562 INCHES NOMINAL IN
overall_length11.322 INCHES NOMINAL IN
aperture_length10.508 INCHES NOMINAL IN
hardness_rating45.0 SHORE DUROMETER A MINIMUM AND 55.0 SHORE DUROMETER A MAXIMUM OVERALL
bolt_hole_quantity12
inside_corner_radius0.125 INCHES NOMINAL IN
outside_corner_radius0.375 INCHES NOMINAL IN
cross-sectional_shape_styleSOLID SINGLE OR COMPOSITION
material_document_and_classificationMIL-G-1149,TY 1 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN5330-01-052-2323
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 684C033251 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
•
APERTURE WIDTH: 7.562 INCHES NOMINAL IN
•
HOLE DIAMETER: 0.250 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
•
INSIDE CORNER RADIUS: 0.125 INCHES NOMINAL IN
•
MATERIAL: RUBBER CHLOROPRENE CLASS CR OVERALL
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-G-1149,TY 1 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
•
APERTURE LENGTH: 10.508 INCHES NOMINAL IN
•
OUTSIDE CORNER RADIUS: 0.375 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
APERTURE WIDTH7.562 INCHES NOMINAL IN
HOLE DIAMETER0.250 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
OVERALL WIDTH8.312 INCHES NOMINAL IN
INSIDE CORNER RADIUS0.125 INCHES NOMINAL IN
MATERIALRUBBER CHLOROPRENE CLASS CR OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-G-1149,TY 1 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
APERTURE LENGTH10.508 INCHES NOMINAL IN
OUTSIDE CORNER RADIUS0.375 INCHES NOMINAL IN
BOLT HOLE QUANTITY12
CROSS-SECTIONAL SHAPE STYLESOLID SINGLE OR COMPOSITION
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
332-51Interchangeable
interchangeable cross-reference
interchangeable
5131207Interchangeable
interchangeable cross-reference
interchangeable
33263Interchangeable
interchangeable cross-reference
interchangeable
5130029Interchangeable
interchangeable cross-reference
interchangeable
KM9578Interchangeable
interchangeable cross-reference
interchangeable
2100-0318Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 684C033251?
684C033251 is a GASKET.
What parts can replace 684C033251?
There are 11 known substitutes for 684C033251: 332-51, 5131207, 33263 and 8 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 684C033251?
684C033251 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-01-052-2323. This indicates validated use in U.S. government and defense supply chains.
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PartsTable Design LLC · partstable.com
Last verified: July 2026