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H677-2601-403 — COVER,PROTECTIVE,DUST AND MOISTU

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

H677-2601-403: COVER,PROTECTIVE,DUST AND MOISTU.

COVER,PROTECTIVE,DUST AND MOISTU. Key specifications include material: PLASTIC, special_features: CLEAR PLASTIC LEXAN;0.125 THICK; 1.50X2.63 LONG, end_item_identification: BOX REDUNDANC; LOS ANGELES CLASS SSN(688). This part is cataloged in the U.S.

Government catalog under NSN 5340-01-497-5340, 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
H677-2601-403
NSN: 5340-01-497-5340
FSC: 5340 — Hardware, Commercial
CAGE: 96169 — ELECTRIC BOAT CORPORATION DIV GENERAL DYNAMICS ELECTRIC BOAT (USA)
SPECIFICATIONS
materialPLASTIC
special_featuresCLEAR PLASTIC LEXAN;0.125 THICK; 1.50X2.63 LONG
end_item_identificationBOX REDUNDANC; LOS ANGELES CLASS SSN(688)
NSN5340-01-497-5340
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: H677-2601-403 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
•
MATERIAL: PLASTIC
TECHNICAL CHARACTERISTICS
SPECIAL FEATURESCLEAR PLASTIC LEXAN;0.125 THICK; 1.50X2.63 LONG
END ITEM IDENTIFICATIONBOX REDUNDANC; LOS ANGELES CLASS SSN(688)
MATERIALPLASTIC
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
569-7067779-105Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
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 H677-2601-403?
H677-2601-403 is a COVER,PROTECTIVE,DUST AND MOISTU.
What parts can replace H677-2601-403?
There is 1 known substitute for H677-2601-403: 569-7067779-105. Substitute compatibility should be verified for your specific system.
What is the NSN for H677-2601-403?
H677-2601-403 is cataloged in the U.S. Government catalog under NSN 5340-01-497-5340. This indicates validated use in U.S. government and defense supply chains.
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