PartsTable
Technical Data Sheet
PartsTable / COMPONENT / 81688
81688 ✓ Verified by PartsTable
Jumbo · ORING SEAL
WHAT YOU NEED TO KNOW
Material determines chemical compatibility Standard durometer is 70 Shore A
Wrong material = catastrophic seal failure
PRODUCT OVERVIEW

running change for Q1 2025 Nordics. Key specifications include body_recess_depth: 0.512 INCHES NOMINAL IN, peripheral_diameter: 1.876 INCHES MINIMUM AND 1.878 INCHES MAXIMUM IN, body_recess_diameter: 1.535 INCHES NOMINAL IN, center_hole_diameter: 1.280 INCHES MINIMUM AND 1.285 INCHES MAXIMUM IN, cross-sectional_height: 0.526 INCHES MINIMUM AND 0.546 INCHES MAXIMUM 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 5330-00-980-3916, 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
81688
NSN: 5330-00-980-3916
FSC: 5330
CAGE: 86090 — EATON CORPORATION DBA AIRFRAME DIV FUEL & MOTION CONTROL SYSTEMS (USA)
SPECIFICATIONS
body_recess_depth0.512 INCHES NOMINAL IN
peripheral_diameter1.876 INCHES MINIMUM AND 1.878 INCHES MAXIMUM IN
body_recess_diameter1.535 INCHES NOMINAL IN
center_hole_diameter1.280 INCHES MINIMUM AND 1.285 INCHES MAXIMUM IN
cross-sectional_height0.526 INCHES MINIMUM AND 0.546 INCHES MAXIMUM IN
NSN5330-00-980-3916
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 81688 MFR: Jumbo ⚠ 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
•
CROSS-SECTIONAL HEIGHT: 0.526 INCHES MINIMUM AND 0.546 INCHES MAXIMUM IN
•
BODY RECESS DEPTH: 0.512 INCHES NOMINAL IN
•
CENTER HOLE DIAMETER: 1.280 INCHES MINIMUM AND 1.285 INCHES MAXIMUM IN
•
BODY RECESS DIAMETER: 1.535 INCHES NOMINAL IN
•
PERIPHERAL DIAMETER: 1.876 INCHES MINIMUM AND 1.878 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
CROSS-SECTIONAL HEIGHT0.526 INCHES MINIMUM AND 0.546 INCHES MAXIMUM IN
BODY RECESS DEPTH0.512 INCHES NOMINAL IN
CENTER HOLE DIAMETER1.280 INCHES MINIMUM AND 1.285 INCHES MAXIMUM IN
BODY RECESS DIAMETER1.535 INCHES NOMINAL IN
PERIPHERAL DIAMETER1.876 INCHES MINIMUM AND 1.878 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 17
PEI 6760Interchangeable
interchangeable cross-reference
interchangeable
C8765Interchangeable
interchangeable cross-reference
interchangeable
C702858112Interchangeable
interchangeable cross-reference
interchangeable
3733Interchangeable
interchangeable cross-reference
interchangeable
4297Interchangeable
interchangeable cross-reference
interchangeable
1079-269Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
Ready to buy 81688?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is 81688?
81688 is a ELBOW,PIPE manufactured by Jumbo.
What parts can replace 81688?
There are 17 known substitutes for 81688: PEI 6760, C8765, C702858112 and 14 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 81688?
81688 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-980-3916. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Comments (0)
No comments yet. Be the first to share what you know.
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — 81688

✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026