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12637785 — GASKET

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

12637785: GASKET.

The GASKET is a the manufacturer industrial component. Key specifications include material: RUBBER EPICHLOROHYDRIN HOMOPOLYMER CLASS CO OVERALL, style_designator: SPECIAL W/APERTURE, end_item_identification: 2320-01-652-5208, cross-sectional_thickness: 1.05 MILLIMETERS NOMINAL MM, part_name_assigned_by_controlling_agency: HEAD GASKET. This part is cataloged in the U.S.

Government catalog under NSN 5330-01-680-0705, 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
12637785
NSN: 5330-01-680-0705
FSC: 5330 — Packing and Gasket Materials
CAGE: 24617 — GENERAL MOTORS CORP (USA)
SPECIFICATIONS
materialRUBBER EPICHLOROHYDRIN HOMOPOLYMER CLASS CO OVERALL
style_designatorSPECIAL W/APERTURE
end_item_identification2320-01-652-5208
cross-sectional_thickness1.05 MILLIMETERS NOMINAL MM
part_name_assigned_by_controlling_agencyHEAD GASKET
NSN5330-01-680-0705
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 12637785 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 THICKNESS: 1.05 MILLIMETERS NOMINAL MM
•
STYLE DESIGNATOR: SPECIAL W/APERTURE
•
MATERIAL: RUBBER EPICHLOROHYDRIN HOMOPOLYMER CLASS CO OVERALL
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL THICKNESS1.05 MILLIMETERS NOMINAL MM
STYLE DESIGNATORSPECIAL W/APERTURE
PART NAME ASSIGNED BY CONTROLLING AGENCYHEAD GASKET
END ITEM IDENTIFICATION2320-01-652-5208
MATERIALRUBBER EPICHLOROHYDRIN HOMOPOLYMER CLASS CO OVERALL
OTHER ITEMS IN FSC 5330 — Packing and Gasket Materials
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5330-00-000-0085 5330-00-000-0167 5330-00-000-5275 5330-00-001-1260 5330-00-001-1833 5330-00-001-1844 5330-00-001-1845 5330-00-001-1846
SUBSTITUTES & CROSS-REFERENCES 1
4385506Reference document
Same NSN cross-reference
Reference document — Vendor item drawing reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 12637785?
12637785 is a GASKET.
What parts can replace 12637785?
There is 1 known substitute for 12637785: 4385506. Substitute compatibility should be verified for your specific system.
What is the NSN for 12637785?
12637785 is cataloged in the U.S. Government catalog under NSN 5330-01-680-0705. This indicates validated use in U.S. government and defense supply chains.
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