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VM128 2-237 — O-RING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

VM128 2-237: O-RING.

The O-RING is a the manufacturer industrial component. Key specifications include special_features: 75 DUROMETER, AS568-237, center_hole_diameter: 3.335 INCHES NOMINAL IN, end_item_identification: 6665-01-452-9644 DETECTION SYSTEM, BIOLOGICAL AGENT, part_name_assigned_by_controlling_agency: O-RING, VITON. This part is cataloged in the U.S.

Government catalog under NSN 5331-01-555-7429, 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
VM128 2-237
NSN: 5331-01-555-7429
FSC: 5331 — O-ring
CAGE: 02697 — PARKER-HANNIFIN CORP DIV O-RING DIVISION (USA)
SPECIFICATIONS
special_features75 DUROMETER, AS568-237
center_hole_diameter3.335 INCHES NOMINAL IN
end_item_identification6665-01-452-9644 DETECTION SYSTEM, BIOLOGICAL AGENT
part_name_assigned_by_controlling_agencyO-RING, VITON
NSN5331-01-555-7429
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: VM128 2-237 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
•
CENTER HOLE DIAMETER: 3.335 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
SPECIAL FEATURES75 DUROMETER, AS568-237
CENTER HOLE DIAMETER3.335 INCHES NOMINAL IN
PART NAME ASSIGNED BY CONTROLLING AGENCYO-RING, VITON
END ITEM IDENTIFICATION6665-01-452-9644 DETECTION SYSTEM, BIOLOGICAL AGENT
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 2
VM835 2-237Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
2-237V835-75Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)Demilitarization required — mutilation
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FREQUENTLY ASKED QUESTIONS
What is VM128 2-237?
VM128 2-237 is a O-RING.
What parts can replace VM128 2-237?
There are 2 known substitutes for VM128 2-237: VM835 2-237, 2-237V835-75. Substitute compatibility should be verified for your specific system.
What is the NSN for VM128 2-237?
VM128 2-237 is cataloged in the U.S. Government catalog under NSN 5331-01-555-7429. 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.