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Technical Data Sheet
PartsTable / COMPONENT / 4270-16R
4270-16R ✓ 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 COVER,ELECTRICAL CONNECTOR is a the manufacturer industrial component. Key specifications include material: PLASTIC, design_type: FRICTION, overall_diameter: 1.189 INCHES MINIMUM AND 1.251 INCHES MAXIMUM IN, inside_diameter_length: 0.469 INCHES MINIMUM AND 0.531 INCHES MAXIMUM IN, round_cap_outside_surface_condition: SMOOTH, opening_inside_diameter_for_which_designed: 0.963 INCHES MINIMUM AND 0.983 INCHES MAXIMUM IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-200-5904, 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
4270-16R
NSN: 5340-00-200-5904
FSC: 5340
CAGE: 20999 — 3M CO ADMININISTRATIVE ELECTRONIC & COMMUNICATIONS (USA)
SPECIFICATIONS
materialPLASTIC
design_typeFRICTION
overall_diameter1.189 INCHES MINIMUM AND 1.251 INCHES MAXIMUM IN
special_featuresINSIDE DIAMETER 0.973 INCHES; OVERALL DIAMETER 1.220 INCHES NOMINAL; BODY HEIGHT 0.500 INCHES NOMINAL; 100 PIECES PER BAG, 10 BAGS PER BOX IN
inside_diameter_length0.469 INCHES MINIMUM AND 0.531 INCHES MAXIMUM IN
round_cap_outside_surface_conditionSMOOTH
opening_inside_diameter_for_which_designed0.963 INCHES MINIMUM AND 0.983 INCHES MAXIMUM IN
NSN5340-00-200-5904
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 4270-16R 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
•
ROUND CAP OUTSIDE SURFACE CONDITION: SMOOTH
•
OVERALL DIAMETER: 1.189 INCHES MINIMUM AND 1.251 INCHES MAXIMUM IN
•
INSIDE DIAMETER LENGTH: 0.469 INCHES MINIMUM AND 0.531 INCHES MAXIMUM IN
•
DESIGN TYPE: FRICTION
•
OPENING INSIDE DIAMETER FOR WHICH DESIGNED: 0.963 INCHES MINIMUM AND 0.983 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
ROUND CAP OUTSIDE SURFACE CONDITIONSMOOTH
OVERALL DIAMETER1.189 INCHES MINIMUM AND 1.251 INCHES MAXIMUM IN
INSIDE DIAMETER LENGTH0.469 INCHES MINIMUM AND 0.531 INCHES MAXIMUM IN
DESIGN TYPEFRICTION
OPENING INSIDE DIAMETER FOR WHICH DESIGNED0.963 INCHES MINIMUM AND 0.983 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 30
10598931-3Upgraded Successor
successor cross-reference
successor
10-70500-16Upgraded Successor
successor cross-reference
successor
24768Upgraded Successor
successor cross-reference
successor
6971-0014Upgraded Successor
successor cross-reference
successor
MS90376-12RBUpgraded Successor
successor cross-reference
successor
M85049/138-24CUpgraded Successor
successor cross-reference
successor
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 4270-16R?
4270-16R is a COVER,ELECTRICAL CONNECTOR.
What parts can replace 4270-16R?
There are 30 known substitutes for 4270-16R: 10598931-3, 10-70500-16, 24768 and 27 more. Substitute compatibility should be verified for your specific system.
Is 4270-16R still available?
4270-16R 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