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Technical Data Sheet
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12558178 — 12558178

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

12558178: 12558178.

The 12558178 is a the manufacturer industrial component. Key specifications include end_item_identification: 2007 CK TRUCK-800 SERIES, part_name_assigned_by_controlling_agency: GASKET,ENG BLK VALLEY COVER. This part is cataloged in the U.S.

Government catalog under NSN 5330-01-568-9368, 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
12558178
NSN: 5330-01-568-9368
NIINs: 015689368, 017082852
FSC: 5330 — Packing and Gasket Materials
CAGE: 7X677 — GENERAL MOTORS LLC DBA GENERAL MOTORS LLC (USA)
SPECIFICATIONS
end_item_identification2007 CK TRUCK-800 SERIES
part_name_assigned_by_controlling_agencyGASKET,ENG BLK VALLEY COVER
NSN5330-01-568-9368
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 12558178 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
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REFERENCE DATA AND LITERATURE: TX00-706 PAGE 0-70 REF 556 AND TX00-7062 PAGE 0-71 REF 556
TECHNICAL CHARACTERISTICS
REFERENCE DATA AND LITERATURETX00-706 PAGE 0-70 REF 556 AND TX00-7062 PAGE 0-71 REF 556
PART NAME ASSIGNED BY CONTROLLING AGENCYGASKET,ENG BLK VALLEY COVER
END ITEM IDENTIFICATION2007 CK TRUCK-800 SERIES
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

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 12558178?
12558178 is a 12558178.
What is the NSN for 12558178?
12558178 is cataloged in the U.S. Government catalog under NSN 5330-01-568-9368. This indicates validated use in U.S. government and defense supply chains.
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