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Technical Data Sheet
MS90376-14R ✓ 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

CAP,PROTECTIVE,DUST AND MOISTURE. Key specifications include design_type: FRICTION, overall_diameter: 1.125 INCHES NOMINAL IN, special_features: COLOR RED, inside_diameter_length: 0.500 INCHES NOMINAL IN, round_cap_outside_surface_condition: SMOOTH, tube_outside_diameter_for_which_designed: 0.853 INCHES NOMINAL 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 5340-00-493-5835, 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
MS90376-14R
NSN: 5340-00-493-5835
FSC: 5340
CAGE: 03296 — NMC GROUP, INC. (USA)
SPECIFICATIONS
design_typeFRICTION
overall_diameter1.125 INCHES NOMINAL IN
special_featuresCOLOR RED
inside_diameter_length0.500 INCHES NOMINAL IN
round_cap_outside_surface_conditionSMOOTH
tube_outside_diameter_for_which_designed0.853 INCHES NOMINAL IN
NSN5340-00-493-5835
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: MS90376-14R 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 LENGTH: 0.469 INCHES MINIMUM AND 0.531 INCHES MAXIMUM IN
ROUND CAP OUTSIDE SURFACE CONDITION: SMOOTH
OVERALL DIAMETER: 1.094 INCHES MINIMUM AND 1.156 INCHES MAXIMUM IN
MATERIAL: PLASTIC, POLYETHYLENE (PP)
DESIGN TYPE: FRICTION
TUBE OUTSIDE DIAMETER FOR WHICH DESIGNED: 0.840 INCHES MINIMUM AND 0.860 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
SPECIAL FEATURESCOLOR,RED
INSIDE DIAMETER LENGTH0.469 INCHES MINIMUM AND 0.531 INCHES MAXIMUM IN
ROUND CAP OUTSIDE SURFACE CONDITIONSMOOTH
OVERALL DIAMETER1.094 INCHES MINIMUM AND 1.156 INCHES MAXIMUM IN
MATERIALPLASTIC, POLYETHYLENE (PP)
DESIGN TYPEFRICTION
TUBE OUTSIDE DIAMETER FOR WHICH DESIGNED0.840 INCHES MINIMUM AND 0.860 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 27
34310513017Upgraded Successor
successor cross-reference
successor
90980012Upgraded Successor
successor cross-reference
successor
NAS831-8Upgraded Successor
successor cross-reference
successor
686B012810Upgraded Successor
successor cross-reference
successor
NAS831-10Upgraded Successor
successor cross-reference
successor
70777Upgraded Successor
successor cross-reference
successor
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MS90376-14R?
MS90376-14R is a CAP,PROTECTIVE,DUST AND MOISTURE.
What parts can replace MS90376-14R?
There are 27 known substitutes for MS90376-14R: 34310513017, 90980012, NAS831-8 and 24 more. Substitute compatibility should be verified for your specific system.
What is the NSN for MS90376-14R?
MS90376-14R is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-493-5835. This indicates validated use in U.S. government and defense supply chains.
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