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Technical Data Sheet
PartsTable / O-RING / MB-74 FIND NO.182
MB-74 FIND NO.182 ✓ 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 MB-74 FIND NO.182 is a the manufacturer industrial component. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-01-593-5783, 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
MB-74 FIND NO.182
NSN: 5331-01-593-5783
FSC: 5331 — O-RING
CAGE: 13669 — TESCOM CORP DBA TESCOM DIV TESCOM (USA)
SPECIFICATIONS
Part NumberMB-74 FIND NO.182
NSN5331-01-593-5783
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: MB-74 FIND NO.182 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
•
MATERIAL: RUBBER FLUOROCARBON CLASS FPM
•
CROSS-SECTIONAL HEIGHT: 0.114 INCHES MINIMUM AND 0.122 INCHES MAXIMUM IN
•
CRITICALITY CODE JUSTIFICATION: ZZZW
•
CENTER HOLE DIAMETER: 1.461 INCHES MINIMUM AND 1.489 INCHES MAXIMUM IN
•
DEPARTURE FROM CITED DOCUMENT: CLEANING, PACKAGING, AND MARKING IAW MIL-STD-1330D
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALRUBBER FLUOROCARBON CLASS FPM
CROSS-SECTIONAL HEIGHT0.114 INCHES MINIMUM AND 0.122 INCHES MAXIMUM IN
CRITICALITY CODE JUSTIFICATIONZZZW
END ITEM IDENTIFICATIONDRY DECK SHELTER O2 PRESSURE REDUCING MANIFOLD (MB-74)
CENTER HOLE DIAMETER1.461 INCHES MINIMUM AND 1.489 INCHES MAXIMUM IN
DEPARTURE FROM CITED DOCUMENTCLEANING, PACKAGING, AND MARKING IAW MIL-STD-1330D
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
AMS7259Interchangeable
interchangeable cross-reference
interchangeable
3-920-V894-90Interchangeable
interchangeable cross-reference
interchangeable
D-42060 PC30Interchangeable
interchangeable cross-reference
interchangeable
501-6603017PC89Interchangeable
interchangeable cross-reference
interchangeable
M83248/2-920Interchangeable
interchangeable cross-reference
interchangeable
280248-0005ITEM64Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MB-74 FIND NO.182?
MB-74 FIND NO.182 is a MB-74 FIND NO.182.
What parts can replace MB-74 FIND NO.182?
There are 10 known substitutes for MB-74 FIND NO.182: AMS7259, 3-920-V894-90, D-42060 PC30 and 7 more. Substitute compatibility should be verified for your specific system.
What is the NSN for MB-74 FIND NO.182?
MB-74 FIND NO.182 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-01-593-5783. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026