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2HD343 — GASKET

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

2HD343: GASKET.

The GASKET is a the manufacturer industrial component. Key specifications include special_features: NHA NSN 2930-01-337-0202 ENGINE RADIATOR; TM 9-2320-360-24P FIG 42, style_designator: NON-CIRCULAR, end_item_identification: NSN 2320-01-318-9902 HET (HEAVY EQUIPMENT TRANSPORTER). This part is cataloged in the U.S.

Government catalog under NSN 5330-01-352-7495, 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
2HD343
NSN: 5330-01-352-7495
FSC: 5330 — Packing and Gasket Materials
CAGE: 75Q65 — OSHKOSH DEFENSE LLC (USA)
SPECIFICATIONS
special_featuresNHA NSN 2930-01-337-0202 ENGINE RADIATOR; TM 9-2320-360-24P FIG 42
style_designatorNON-CIRCULAR
end_item_identificationNSN 2320-01-318-9902 HET (HEAVY EQUIPMENT TRANSPORTER)
NSN5330-01-352-7495
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 2HD343 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
•
STYLE DESIGNATOR: NON-CIRCULAR
TECHNICAL CHARACTERISTICS
STYLE DESIGNATORNON-CIRCULAR
SPECIAL FEATURESNHA NSN 2930-01-337-0202 ENGINE RADIATOR; TM 9-2320-360-24P FIG 42
END ITEM IDENTIFICATIONNSN 2320-01-318-9902 HET (HEAVY EQUIPMENT TRANSPORTER)
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 2
0601-99840Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
0601-38260Reference 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 2HD343?
2HD343 is a GASKET.
What parts can replace 2HD343?
There are 2 known substitutes for 2HD343: 0601-99840, 0601-38260. Substitute compatibility should be verified for your specific system.
What is the NSN for 2HD343?
2HD343 is cataloged in the U.S. Government catalog under NSN 5330-01-352-7495. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.