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Technical Data Sheet
PartsTable / COMPONENT / 27686
27686 ✓ 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 PACKING ASSEMBLY is a the manufacturer industrial component. Key specifications include height: 0.482 INCHES NOMINAL IN, temp_rating: -65.0 FAHRENHEIT AND 350.0 FAHRENHEIT DEGF, inside_diameter: 0.770 INCHES NOMINAL IN, outside_diameter: 1.251 INCHES MINIMUM AND 1.253 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 5330-01-128-8037, 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
27686
NSN: 5330-01-128-8037
FSC: 5330
CAGE: 24235 — WILLIAMS INTERNATIONAL CO., L.L.C. (USA)
SPECIFICATIONS
height0.482 INCHES NOMINAL IN
temp_rating-65.0 FAHRENHEIT AND 350.0 FAHRENHEIT DEGF
inside_diameter0.770 INCHES NOMINAL IN
outside_diameter1.251 INCHES MINIMUM AND 1.253 INCHES MAXIMUM IN
NSN5330-01-128-8037
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 27686 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
•
INSIDE DIAMETER: 0.770 INCHES NOMINAL IN
•
OUTSIDE DIAMETER: 1.251 INCHES MINIMUM AND 1.253 INCHES MAXIMUM IN
•
HEIGHT: 0.482 INCHES NOMINAL IN
•
TEMP RATING: -65.0 FAHRENHEIT AND 350.0 FAHRENHEIT DEGF
TECHNICAL CHARACTERISTICS (FLIS)
INSIDE DIAMETER0.770 INCHES NOMINAL IN
OUTSIDE DIAMETER1.251 INCHES MINIMUM AND 1.253 INCHES MAXIMUM IN
HEIGHT0.482 INCHES NOMINAL IN
TEMP RATING-65.0 FAHRENHEIT AND 350.0 FAHRENHEIT DEGF
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
890718Interchangeable
interchangeable cross-reference
interchangeable
39531Interchangeable
interchangeable cross-reference
interchangeable
SAW-4592762Interchangeable
interchangeable cross-reference
interchangeable
624027Interchangeable
interchangeable cross-reference
interchangeable
3953Interchangeable
interchangeable cross-reference
interchangeable
39169Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 27686?
27686 is a PACKING ASSEMBLY.
What parts can replace 27686?
There are 11 known substitutes for 27686: 890718, 39531, SAW-4592762 and 8 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 27686?
27686 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-01-128-8037. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026