PartsTable
Technical Data Sheet
Download PDF

4057027CP — O-RING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

4057027CP: O-RING.

The O-RING is a the manufacturer industrial component. Key specifications include material: RUBBER ETHYLENE-PROPYLENE-DIENE CLASS EPDM, hardness_rating: 70.0 SHORE DUROMETER A NOMINAL, center_hole_diameter: 0.364 INCHES NOMINAL IN, cross-sectional_height: 0.070 INCHES NOMINAL IN, end_item_identification: MK25 MOD 2 UBA, criticality_code_justification: ZZZY. This part is cataloged in the U.S.

Government catalog under NSN 5331-01-648-5961, 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
4057027CP
NSN: 5331-01-648-5961
FSC: 5331 — O-ring
CAGE: 03950 — NAVAL INVENTORY CONTROL POINT MECHANICSBURG (USA)
SPECIFICATIONS
materialRUBBER ETHYLENE-PROPYLENE-DIENE CLASS EPDM
hardness_rating70.0 SHORE DUROMETER A NOMINAL
center_hole_diameter0.364 INCHES NOMINAL IN
cross-sectional_height0.070 INCHES NOMINAL IN
end_item_identificationMK25 MOD 2 UBA
criticality_code_justificationZZZY
reference_number_differentiating_characteristicsCLEANING, PACKAGING, AND MARKING IAW MIL-STD-1330D
NSN5331-01-648-5961
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 4057027CP 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: 0.070 INCHES NOMINAL IN
•
HARDNESS RATING: 70.0 SHORE DUROMETER A NOMINAL
•
CRITICALITY CODE JUSTIFICATION: ZZZY
•
CENTER HOLE DIAMETER: 0.364 INCHES NOMINAL IN
•
MATERIAL: RUBBER ETHYLENE-PROPYLENE-DIENE CLASS EPDM
•
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS: CLEANING, PACKAGING, AND MARKING IAW MIL-STD-1330D
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL HEIGHT0.070 INCHES NOMINAL IN
HARDNESS RATING70.0 SHORE DUROMETER A NOMINAL
CRITICALITY CODE JUSTIFICATIONZZZY
CENTER HOLE DIAMETER0.364 INCHES NOMINAL IN
END ITEM IDENTIFICATIONMK25 MOD 2 UBA
MATERIALRUBBER ETHYLENE-PROPYLENE-DIENE CLASS EPDM
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICSCLEANING, PACKAGING, AND MARKING IAW MIL-STD-1330D
OTHER ITEMS IN FSC 5331 — O-ring
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5331-00-001-1971 5331-00-001-1979 5331-00-001-3904 5331-00-001-3905 5331-00-001-3906 5331-00-001-3908 5331-00-001-3923 5331-00-001-3924
SUBSTITUTES & CROSS-REFERENCES 3
4057027Reference document
Same NSN cross-reference
Reference document — Secondary reference
4057027 OXYGEN CLEANCPReference document
Same NSN cross-reference
Reference document — Secondary reference
4057027 OXYGEN CLEANReference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
Ready to buy 4057027CP?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is 4057027CP?
4057027CP is a O-RING.
What parts can replace 4057027CP?
There are 3 known substitutes for 4057027CP: 4057027, 4057027 OXYGEN CLEANCP, 4057027 OXYGEN CLEAN. Substitute compatibility should be verified for your specific system.
What is the NSN for 4057027CP?
4057027CP is cataloged in the U.S. Government catalog under NSN 5331-01-648-5961. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — 4057027CP