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H8-66-148 — CAP,PROTECTIVE,DUST AND MOISTURE

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

H8-66-148: CAP,PROTECTIVE,DUST AND MOISTURE.

CAP,PROTECTIVE,DUST AND MOISTURE. Key specifications include end_item_identification: NSN 2320-01-304-2277 AND NSN 2320-01-304-2278 PLS (PALLETIZED LOADING SYSTEM); RAPIDLY EMPLACED BRIDGE. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-223-9986, 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
H8-66-148
NSN: 5340-01-223-9986
FSC: 5340 — Hardware, Commercial
CAGE: 97111 — PARKER-HANNIFIN CORPORATION DIV QUICK COUPLING DIVISION (USA)
SPECIFICATIONS
end_item_identificationNSN 2320-01-304-2277 AND NSN 2320-01-304-2278 PLS (PALLETIZED LOADING SYSTEM); RAPIDLY EMPLACED BRIDGE
NSN5340-01-223-9986
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: H8-66-148 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
TECHNICAL CHARACTERISTICS
END ITEM IDENTIFICATIONNSN 2320-01-304-2277 AND NSN 2320-01-304-2278 PLS (PALLETIZED LOADING SYSTEM); RAPIDLY EMPLACED BRIDGE
OTHER ITEMS IN FSC 5340 — Hardware, Commercial
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5340-00-000-0068 5340-00-000-0132 5340-00-000-8150 5340-00-001-1251 5340-00-001-1264 5340-00-001-1265 5340-00-001-1266 5340-00-001-1275
SUBSTITUTES & CROSS-REFERENCES 1
1458070Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is H8-66-148?
H8-66-148 is a CAP,PROTECTIVE,DUST AND MOISTURE.
What parts can replace H8-66-148?
There is 1 known substitute for H8-66-148: 1458070. Substitute compatibility should be verified for your specific system.
What is the NSN for H8-66-148?
H8-66-148 is cataloged in the U.S. Government catalog under NSN 5340-01-223-9986. 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.