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E-0688-EPDM — SEAL,NONMETALLIC CHANNEL

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

E-0688-EPDM: SEAL,NONMETALLIC CHANNEL.

The SEAL,NONMETALLIC CHANNEL is a the manufacturer industrial component. Key specifications include material: RUBBER SYNTHETIC OVERALL, web_width: 0.313 INCHES NOMINAL0.313 INCHES NOMINAL IN, construction: SOLIDSOLID, web_thickness: 0.125 INCHES NOMINAL0.125 INCHES NOMINAL IN, left_tip_style: LEFT SQUARE ENDLEFT SQUARE END, style_designator: CIRCULAR. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-618-6680, 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
E-0688-EPDM
NSN: 5330-00-618-6680
FSC: 5330 — Packing and Gasket Materials
CAGE: 2P245 — ASTRO-TEX COMPANY INC (USA)
SPECIFICATIONS
materialRUBBER SYNTHETIC OVERALL
web_width0.313 INCHES NOMINAL0.313 INCHES NOMINAL IN
constructionSOLIDSOLID
web_thickness0.125 INCHES NOMINAL0.125 INCHES NOMINAL IN
left_tip_styleLEFT SQUARE ENDLEFT SQUARE END
style_designatorCIRCULAR
aperture_diameter35.750 INCHES NOMINAL35.750 INCHES NOMINAL IN
left_inside_angle90.0 DEGREES NOMINAL90.0 DEGREES NOMINAL
left_outside_angle90.0 DEGREES NOMINAL90.0 DEGREES NOMINAL
right_inside_angle90.0 DEGREES NOMINAL90.0 DEGREES NOMINAL
right_outside_angle90.0 DEGREES NOMINAL90.0 DEGREES NOMINAL
left_side_flange_height0.500 INCHES NOMINAL0.500 INCHES NOMINAL IN
NSN5330-00-618-6680
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: E-0688-EPDM 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
•
RIGHT OUTSIDE ANGLE: 90.0 DEGREES NOMINAL90.0 DEGREES NOMINAL
•
LEFT TIP STYLE: LEFT SQUARE ENDLEFT SQUARE END
•
LEFT SIDE FLANGE THICKNESS AT WEB: 0.094 INCHES NOMINAL0.094 INCHES NOMINAL IN
•
LEFT SIDE FLANGE HEIGHT: 0.500 INCHES NOMINAL0.500 INCHES NOMINAL IN
•
RIGHT SIDE FLANGE THICKNESS AT WEB: 0.094 INCHES NOMINAL0.094 INCHES NOMINAL IN
•
STYLE DESIGNATOR: CIRCULAR
•
CROSS-SECTIONAL SHAPE STYLE: OPEN CHANNELOPEN CHANNEL
•
APERTURE DIAMETER: 35.750 INCHES NOMINAL35.750 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
RIGHT OUTSIDE ANGLE90.0 DEGREES NOMINAL90.0 DEGREES NOMINAL
LEFT TIP STYLELEFT SQUARE ENDLEFT SQUARE END
LEFT SIDE FLANGE THICKNESS AT WEB0.094 INCHES NOMINAL0.094 INCHES NOMINAL IN
LEFT SIDE FLANGE HEIGHT0.500 INCHES NOMINAL0.500 INCHES NOMINAL IN
RIGHT SIDE FLANGE THICKNESS AT WEB0.094 INCHES NOMINAL0.094 INCHES NOMINAL IN
STYLE DESIGNATORCIRCULAR
CROSS-SECTIONAL SHAPE STYLEOPEN CHANNELOPEN CHANNEL
APERTURE DIAMETER35.750 INCHES NOMINAL35.750 INCHES NOMINAL IN
LEFT SIDE FLANGE THICKNESS0.094 INCHES NOMINAL0.094 INCHES NOMINAL IN
RIGHT SIDE FLANGE HEIGHT0.500 INCHES NOMINAL0.500 INCHES NOMINAL IN
OTHER ITEMS IN FSC 5330 — Packing and Gasket Materials
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5330-00-000-0085 5330-00-000-0167 5330-00-000-5275 5330-00-001-1260 5330-00-001-1833 5330-00-001-1844 5330-00-001-1845 5330-00-001-1846
SUBSTITUTES & CROSS-REFERENCES 2
2001-1792-0 REVReference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
10813-140Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
LIFECYCLE
NSN statusActive· U.S. Government catalog
Shelf-life managedAcquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is E-0688-EPDM?
E-0688-EPDM is a SEAL,NONMETALLIC CHANNEL.
What parts can replace E-0688-EPDM?
There are 2 known substitutes for E-0688-EPDM: 2001-1792-0 REV, 10813-140. Substitute compatibility should be verified for your specific system.
What is the NSN for E-0688-EPDM?
E-0688-EPDM is cataloged in the U.S. Government catalog under NSN 5330-00-618-6680. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.