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HS4020 — SEAL,NONMETALLIC SPECIAL SHAPED

✓ Government record, cited
Grundig · ORING SEAL
PRODUCT OVERVIEW

HS4020: SEAL,NONMETALLIC SPECIAL SHAPED.

Just stay nice and flexible! A bold, short haircut? Small to medium curls and waves?

Or a soft-falling voluminous head of hair with larger curls or waves? Great, when one single hair styler makes all this possible. Gentle styling for long-lasting volume and bounce for hair: max.

800 W output, 2 temperature/blower settings plus cold setting, 2 heated brushes at 25 mm and 38mm with ceramic coating for constant high temperatures and even heat distribution. This part is cataloged in the U.S. Government catalog under NSN 5330-01-687-3771, indicating validated use in U.S.

government and defense logistics supply chains.

WHERE IT FITS
HS4020
NSN: 5330-01-687-3771
FSC: 5330 — Packing and Gasket Materials
CAGE: 8V613 — THE BOEING COMPANY (USA)
SPECIFICATIONS
end_item_identificationAPACHE HELICOPTER
part_name_assigned_by_controlling_agencyEXTRUSION, ELASTOMER
NSN5330-01-687-3771
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: HS4020 MFR: Grundig ⚠ 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
TECHNICAL CHARACTERISTICS
PART NAME ASSIGNED BY CONTROLLING AGENCYEXTRUSION, ELASTOMER
END ITEM IDENTIFICATIONAPACHE HELICOPTER
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

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is HS4020?
HS4020 is a SEAL,NONMETALLIC SPECIAL SHAPED manufactured by Grundig.
What is the NSN for HS4020?
HS4020 is cataloged in the U.S. Government catalog under NSN 5330-01-687-3771. This indicates validated use in U.S. government and defense supply chains.
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