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Technical Data Sheet
PartsTable / COMPONENT / 1027C
1027C ✓ 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 WRENCH,OPEN END is a the manufacturer industrial component. Key specifications include special_features: STYLE DESIGNATOR:NO.60 IRREGULAR SHAPE FROM FIIG A03200, supplementary_features: CROSS-SECTIONAL SHAPE STYLE:NO.195 IRREGULAR SHAPE FROM FIIG A03200. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-171-4132, 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
1027C
NSN: 5330-00-171-4132
FSC: 5330
CAGE: 80254 — TEXTRON LYCOMING INC WILLIAMSPORT PLANT (USA)
SPECIFICATIONS
special_featuresSTYLE DESIGNATOR:NO.60 IRREGULAR SHAPE FROM FIIG A03200
supplementary_featuresCROSS-SECTIONAL SHAPE STYLE:NO.195 IRREGULAR SHAPE FROM FIIG A03200
NSN5330-00-171-4132
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 1027C 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
•
BOLT HOLE QUANTITY: 6
•
HOLE DIAMETER: 0.410 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
•
APERTURE DIAMETER: 4.190 INCHES NOMINAL IN
•
OUTSIDE DIAMETER: 6.000 INCHES NOMINAL IN
•
CROSS-SECTIONAL THICKNESS: 0.020 INCHES MINIMUM AND 0.031 INCHES MAXIMUM IN
•
CROSS-SECTIONAL SHAPE STYLE: SOLID SINGLE OR COMPOSITION
•
STYLE DESIGNATOR: CIRCULAR
•
BOLT CIRCLE DIAMETER: 4.990 INCHES MINIMUM AND 5.010 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
BOLT HOLE QUANTITY6
HOLE DIAMETER0.410 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
APERTURE DIAMETER4.190 INCHES NOMINAL IN
OUTSIDE DIAMETER6.000 INCHES NOMINAL IN
CROSS-SECTIONAL THICKNESS0.020 INCHES MINIMUM AND 0.031 INCHES MAXIMUM IN
CROSS-SECTIONAL SHAPE STYLESOLID SINGLE OR COMPOSITION
STYLE DESIGNATORCIRCULAR
BOLT CIRCLE DIAMETER4.990 INCHES MINIMUM AND 5.010 INCHES MAXIMUM IN
MATERIALASBESTOS AND RUBBER SYNTHETIC AND PAPER AND GLUE OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
B107.39 TY1CL1Interchangeable
interchangeable cross-reference
interchangeable
GGG-W-636 TY4Interchangeable
interchangeable cross-reference
interchangeable
B107.6Interchangeable
interchangeable cross-reference
interchangeable
1115330Interchangeable
interchangeable cross-reference
interchangeable
1027Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1027C?
1027C is a WRENCH,OPEN END.
What parts can replace 1027C?
There are 5 known substitutes for 1027C: B107.39 TY1CL1, GGG-W-636 TY4, B107.6 and 2 more. Substitute compatibility should be verified for your specific system.
Is 1027C still available?
1027C is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026