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8421.00 — COVER,HEATER INSULATION

✓ Government record, cited
Ricoh · ORING SEAL
PRODUCT OVERVIEW

8421.00: COVER,HEATER INSULATION.

The COVER,HEATER INSULATION is a Ricoh industrial component. Key specifications include general_characteristics_item_description: INLET AND EXHAUST PORTS; W/CLOSURES FOR EASY FUEL CHANGE, part_name_assigned_by_controlling_agency: COVER HEATER INSUL INLET &EXHAUST PORTS W/CLO FOR FUEL EXCHANGE. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-428-4668, 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
8421.00
NSN: 5330-00-428-4668
NIINs: 004284668, 012545722
FSC: 5330 — Packing and Gasket Materials
CAGE: U4287 — ROLLS-ROYCE CONTROLS AND DATA SERVICES LIMITED (GBR)
SPECIFICATIONS
general_characteristics_item_descriptionINLET AND EXHAUST PORTS; W/CLOSURES FOR EASY FUEL CHANGE
part_name_assigned_by_controlling_agencyCOVER HEATER INSUL INLET &EXHAUST PORTS W/CLO FOR FUEL EXCHANGE
NSN5330-00-428-4668
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 8421.00 MFR: Ricoh ⚠ 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
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Terminal item — stock exhausted; no further procurementNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 8421.00?
8421.00 is a COVER,HEATER INSULATION manufactured by Ricoh.
What is the NSN for 8421.00?
8421.00 is cataloged in the U.S. Government catalog under NSN 5330-00-428-4668. This indicates validated use in U.S. government and defense supply chains.
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