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MS90376-22RB — COVER,PROTECTIVE,DUST AND MOISTU

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

MS90376-22RB: COVER,PROTECTIVE,DUST AND MOISTU.

COVER,PROTECTIVE,DUST AND MOISTU. Key specifications include end_item_identification: F-22 AIRCRAFT, part_name_assigned_by_controlling_agency: COVER,PROTECTIVE,DU. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-443-6853, 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
MS90376-22RB
NSN: 5340-01-443-6853
NIINs: 014436853, 017150950
FSC: 5340 — Hardware, Commercial
CAGE: 96906 — MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
end_item_identificationF-22 AIRCRAFT
part_name_assigned_by_controlling_agencyCOVER,PROTECTIVE,DU
NSN5340-01-443-6853
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: MS90376-22RB 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
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DESIGN TYPE: FRICTION
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OVERALL DIAMETER: 1.559 INCHES MINIMUM AND 1.621 INCHES MAXIMUM IN
•
TUBE OUTSIDE DIAMETER FOR WHICH DESIGNED: 1.330 INCHES MINIMUM AND 1.350 INCHES MAXIMUM IN
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MATERIAL: PLASTIC
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INSIDE DIAMETER LENGTH: 0.531 INCHES MINIMUM AND 0.593 INCHES MAXIMUM IN
•
ROUND CAP OUTSIDE SURFACE CONDITION: SMOOTH
TECHNICAL CHARACTERISTICS
DESIGN TYPEFRICTION
OVERALL DIAMETER1.559 INCHES MINIMUM AND 1.621 INCHES MAXIMUM IN
TUBE OUTSIDE DIAMETER FOR WHICH DESIGNED1.330 INCHES MINIMUM AND 1.350 INCHES MAXIMUM IN
SPECIAL FEATURESITEM MADE PER MIL-B-81705, TY I, COLOR BLACK
MATERIALPLASTIC
INSIDE DIAMETER LENGTH0.531 INCHES MINIMUM AND 0.593 INCHES MAXIMUM IN
ROUND CAP OUTSIDE SURFACE CONDITIONSMOOTH
SUBSTITUTES & CROSS-REFERENCES 3
SAE-AS85049/138Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
M85049/138-45CReference document
Same NSN cross-reference
Reference document — Design control — primary reference
99208309Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is MS90376-22RB?
MS90376-22RB is a COVER,PROTECTIVE,DUST AND MOISTU.
What parts can replace MS90376-22RB?
There are 3 known substitutes for MS90376-22RB: SAE-AS85049/138, M85049/138-45C, 99208309. Substitute compatibility should be verified for your specific system.
What is the NSN for MS90376-22RB?
MS90376-22RB is cataloged in the U.S. Government catalog under NSN 5340-01-443-6853. This indicates validated use in U.S. government and defense supply chains.
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