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H677-2601-254 — COVER,PROTECTIVE,DUST AND MOISTU

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

H677-2601-254: COVER,PROTECTIVE,DUST AND MOISTU.

COVER,PROTECTIVE,DUST AND MOISTU. Key specifications include material: PLASTIC, special_features: PROTECTIVE COVER; CLEAR PLASTIC SHEET LEXAN; 0.125 THICK; 1.500X4.500 LENGTH, end_item_identification: ACTUATOR HYD; SEAWOLF CLASS SSN. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-497-5495, 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
H677-2601-254
NSN: 5340-01-497-5495
FSC: 5340 — Hardware, Commercial
CAGE: 96169 — ELECTRIC BOAT CORPORATION DIV GENERAL DYNAMICS ELECTRIC BOAT (USA)
SPECIFICATIONS
materialPLASTIC
special_featuresPROTECTIVE COVER; CLEAR PLASTIC SHEET LEXAN; 0.125 THICK; 1.500X4.500 LENGTH
end_item_identificationACTUATOR HYD; SEAWOLF CLASS SSN
NSN5340-01-497-5495
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: H677-2601-254 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 FEATURESPROTECTIVE COVER; CLEAR PLASTIC SHEET LEXAN; 0.125 THICK; 1.500X4.500 LENGTH
END ITEM IDENTIFICATIONACTUATOR HYD; SEAWOLF CLASS SSN
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
569-7067999-108Reference document
Same NSN cross-reference
Reference document — Secondary reference
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 H677-2601-254?
H677-2601-254 is a COVER,PROTECTIVE,DUST AND MOISTU.
What parts can replace H677-2601-254?
There is 1 known substitute for H677-2601-254: 569-7067999-108. Substitute compatibility should be verified for your specific system.
What is the NSN for H677-2601-254?
H677-2601-254 is cataloged in the U.S. Government catalog under NSN 5340-01-497-5495. This indicates validated use in U.S. government and defense supply chains.
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