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Technical Data Sheet
1A7140 ✓ 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 BUSHING,SLEEVE is a the manufacturer industrial component. Key specifications include body_outside_diameter: 3.0440 INCHES MINIMUM AND 3.0460 INCHES MAXIMUM IN, end_item_identification: C-17 ACFT ENGINE. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-040-1459, 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
1A7140
NSN: 5330-00-040-1459
FSC: 5330
CAGE: 95201 — NAPCO INTERNATIONAL LLC DBA NAPCO INTERNATIONAL INC (USA)
SPECIFICATIONS
body_outside_diameter3.0440 INCHES MINIMUM AND 3.0460 INCHES MAXIMUM IN
end_item_identificationC-17 ACFT ENGINE
NSN5330-00-040-1459
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 1A7140 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
CROSS-SECTIONAL THICKNESS: 0.021 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-G-12803,NO. +3313-B MIL SPEC ALL MATERIAL RESPONSES OVERALL
CROSS-SECTIONAL SHAPE STYLE: SOLID SINGLE OR COMPOSITION
MATERIAL: PAPER AND GLUE OVERALL
HOLE DIAMETER: 0.218 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
TECHNICAL CHARACTERISTICS (FLIS)
CROSS-SECTIONAL THICKNESS0.021 INCHES NOMINAL IN
OVERALL LENGTH4.562 INCHES NOMINAL IN
OVERALL WIDTH2.781 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-G-12803,NO. +3313-B MIL SPEC ALL MATERIAL RESPONSES OVERALL
CROSS-SECTIONAL SHAPE STYLESOLID SINGLE OR COMPOSITION
MATERIALPAPER AND GLUE OVERALL
HOLE DIAMETER0.218 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
221-004Interchangeable
interchangeable cross-reference
interchangeable
RV330Interchangeable
interchangeable cross-reference
interchangeable
221-005NLInterchangeable
interchangeable cross-reference
interchangeable
K-6885Interchangeable
interchangeable cross-reference
interchangeable
C-1042BInterchangeable
interchangeable cross-reference
interchangeable
FC-24 32X1 STInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1A7140?
1A7140 is a BUSHING,SLEEVE.
What parts can replace 1A7140?
There are 14 known substitutes for 1A7140: 221-004, RV330, 221-005NL and 11 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 1A7140?
1A7140 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-040-1459. This indicates validated use in U.S. government and defense supply chains.
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