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637488 — O-RING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

637488: O-RING.

The O-RING is a the manufacturer industrial component. Key specifications include material: PLASTIC POLYTETRAFLUOROETHYLENE, center_hole_diameter: 2.114 INCHES NOMINAL IN, cross-sectional_height: 0.070 INCHES NOMINAL IN, end_item_identification: PUMP ASSY CTFGL;USN FRM 0150LB 8X10-13 12.25 IMP W/180 SEAL LBS, part_name_assigned_by_controlling_agency: O-RING,IMPELLER 2-034. This part is cataloged in the U.S.

Government catalog under NSN 5331-01-494-0515, 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
637488
NSN: 5331-01-494-0515
FSC: 5331 — O-ring
CAGE: 07524 — DOVER PUMPS & PROCESS SOLUTIONS SEGMENT INC DBA BLACKMER DIV BLACKMER (USA)
SPECIFICATIONS
materialPLASTIC POLYTETRAFLUOROETHYLENE
center_hole_diameter2.114 INCHES NOMINAL IN
cross-sectional_height0.070 INCHES NOMINAL IN
end_item_identificationPUMP ASSY CTFGL;USN FRM 0150LB 8X10-13 12.25 IMP W/180 SEAL LBS
part_name_assigned_by_controlling_agencyO-RING,IMPELLER 2-034
NSN5331-01-494-0515
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 637488 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
•
CENTER HOLE DIAMETER: 2.114 INCHES NOMINAL IN
•
MATERIAL: PLASTIC POLYTETRAFLUOROETHYLENE
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL HEIGHT0.070 INCHES NOMINAL IN
CENTER HOLE DIAMETER2.114 INCHES NOMINAL IN
PART NAME ASSIGNED BY CONTROLLING AGENCYO-RING,IMPELLER 2-034
END ITEM IDENTIFICATIONPUMP ASSY CTFGL;USN FRM 0150LB 8X10-13 12.25 IMP W/180 SEAL LBS
MATERIALPLASTIC POLYTETRAFLUOROETHYLENE
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 1
1801490 ITEM NO.38Reference 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
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FREQUENTLY ASKED QUESTIONS
What is 637488?
637488 is a O-RING.
What parts can replace 637488?
There is 1 known substitute for 637488: 1801490 ITEM NO.38. Substitute compatibility should be verified for your specific system.
What is the NSN for 637488?
637488 is cataloged in the U.S. Government catalog under NSN 5331-01-494-0515. This indicates validated use in U.S. government and defense supply chains.
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