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Technical Data Sheet

M85049/138-53C — CAP,PROTECTIVE,DUST AND MOISTURE

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

M85049/138-53C: CAP,PROTECTIVE,DUST AND MOISTURE.

CAP,PROTECTIVE,DUST AND MOISTURE. Key specifications include material: PLASTIC, overall_length: 0.617 INCHES NOMINAL IN, special_features: STANDARD COLOR: RED, inside_diameter_length: 1.590 INCHES MINIMUM AND 1.610 INCHES MAXIMUM IN, end_item_identification: 1680-01-621-9064, specification/standard_data: 0U583-AS85049/138 INTERNATIONAL STD/SPEC. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-723-5946, 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
M85049/138-53C
NSN: 5340-01-723-5946
FSC: 5340 — Hardware, Commercial
CAGE: 0U583 — SAE INTERNATIONAL DBA SAE INTERNATIONAL (USA)
SPECIFICATIONS
materialPLASTIC
overall_length0.617 INCHES NOMINAL IN
special_featuresSTANDARD COLOR: RED
inside_diameter_length1.590 INCHES MINIMUM AND 1.610 INCHES MAXIMUM IN
end_item_identification1680-01-621-9064
specification/standard_data0U583-AS85049/138 INTERNATIONAL STD/SPEC
part_name_assigned_by_controlling_agencyCONNECTOR ACCESSORIES, ELECTRICAL, CAP, DUST, PLASTIC, CATEGORY 9
opening_inside_diameter_for_which_designed1.660 INCHES MINIMUM AND 1.680 INCHES MAXIMUM IN
NSN5340-01-723-5946
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: M85049/138-53C 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
•
SPECIFICATION/STANDARD DATA: 0U583-AS85049/138 INTERNATIONAL STD/SPEC
•
OPENING INSIDE DIAMETER FOR WHICH DESIGNED: 1.660 INCHES MINIMUM AND 1.680 INCHES MAXIMUM IN
•
MATERIAL: PLASTIC
•
INSIDE DIAMETER LENGTH: 1.590 INCHES MINIMUM AND 1.610 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
OVERALL LENGTH0.617 INCHES NOMINAL IN
SPECIFICATION/STANDARD DATA0U583-AS85049/138 INTERNATIONAL STD/SPEC
OPENING INSIDE DIAMETER FOR WHICH DESIGNED1.660 INCHES MINIMUM AND 1.680 INCHES MAXIMUM IN
SPECIAL FEATURESSTANDARD COLOR: RED
PART NAME ASSIGNED BY CONTROLLING AGENCYCONNECTOR ACCESSORIES, ELECTRICAL, CAP, DUST, PLASTIC, CATEGORY 9
END ITEM IDENTIFICATION1680-01-621-9064
MATERIALPLASTIC
INSIDE DIAMETER LENGTH1.590 INCHES MINIMUM AND 1.610 INCHES MAXIMUM IN
SUBSTITUTES & CROSS-REFERENCES 1
SAE-AS85049/138Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is M85049/138-53C?
M85049/138-53C is a CAP,PROTECTIVE,DUST AND MOISTURE.
What parts can replace M85049/138-53C?
There is 1 known substitute for M85049/138-53C: SAE-AS85049/138. Substitute compatibility should be verified for your specific system.
What is the NSN for M85049/138-53C?
M85049/138-53C is cataloged in the U.S. Government catalog under NSN 5340-01-723-5946. This indicates validated use in U.S. government and defense supply chains.
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