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2MP3801-5 — O-RING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

2MP3801-5: O-RING.

The O-RING is a the manufacturer industrial component. Key specifications include end_item_identification: FLASK COMP GAS, criticality_code_justification: ZZZY, reference_number_differentiating_characteristics: CLEANING, PACKAGING, AND MARKING IAW MIL-STD-1330D. This part is cataloged in the U.S.

Government catalog under NSN 5331-00-757-8642, 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
2MP3801-5
NSN: 5331-00-757-8642
NIINs: 007578642, 013989854
FSC: 5331 — O-ring
CAGE: 48899 — CP INDUSTRIES HOLDINGS, INC (USA)
SPECIFICATIONS
end_item_identificationFLASK COMP GAS
criticality_code_justificationZZZY
reference_number_differentiating_characteristicsCLEANING, PACKAGING, AND MARKING IAW MIL-STD-1330D
NSN5331-00-757-8642
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 2MP3801-5 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
•
CROSS-SECTIONAL HEIGHT: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
•
CENTER HOLE DIAMETER: 1.188 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL HEIGHT0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
CENTER HOLE DIAMETER1.188 INCHES NOMINAL IN
SUBSTITUTES & CROSS-REFERENCES 2
2MP2582Reference document
Same NSN cross-reference
Reference document — Secondary reference
4X15940 MK 5Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 2MP3801-5?
2MP3801-5 is a O-RING.
What parts can replace 2MP3801-5?
There are 2 known substitutes for 2MP3801-5: 2MP2582, 4X15940 MK 5. Substitute compatibility should be verified for your specific system.
What is the NSN for 2MP3801-5?
2MP3801-5 is cataloged in the U.S. Government catalog under NSN 5331-00-757-8642. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.