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77421520-009 — COVER,ACCESS

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

77421520-009: COVER,ACCESS.

The COVER,ACCESS is a the manufacturer industrial component. Key specifications include special_features: NEXT HIGHER ASSEMBLY PART NUMBER IS 77421500-009; END ITEM PART NUMBER IS 77420000-029, end_item_identification: SNIPER/PANTERA ADVANCED TARGETING POD, part_name_assigned_by_controlling_agency: ACCESS PANEL, GROUND FAN DOOR ASSEMBLY. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-539-1183, 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
77421520-009
NSN: 5340-01-539-1183
FSC: 5340 — Hardware, Commercial
CAGE: 04939 — LOCKHEED MARTIN CORPORATION (USA)
SPECIFICATIONS
special_featuresNEXT HIGHER ASSEMBLY PART NUMBER IS 77421500-009; END ITEM PART NUMBER IS 77420000-029
end_item_identificationSNIPER/PANTERA ADVANCED TARGETING POD
part_name_assigned_by_controlling_agencyACCESS PANEL, GROUND FAN DOOR ASSEMBLY
NSN5340-01-539-1183
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 77421520-009 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
SPECIAL FEATURESNEXT HIGHER ASSEMBLY PART NUMBER IS 77421500-009; END ITEM PART NUMBER IS 77420000-029
PART NAME ASSIGNED BY CONTROLLING AGENCYACCESS PANEL, GROUND FAN DOOR ASSEMBLY
END ITEM IDENTIFICATIONSNIPER/PANTERA ADVANCED TARGETING POD
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
5340PL0850298Reference document
Same NSN cross-reference
Reference document — Informative reference only
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 77421520-009?
77421520-009 is a COVER,ACCESS.
What parts can replace 77421520-009?
There is 1 known substitute for 77421520-009: 5340PL0850298. Substitute compatibility should be verified for your specific system.
What is the NSN for 77421520-009?
77421520-009 is cataloged in the U.S. Government catalog under NSN 5340-01-539-1183. This indicates validated use in U.S. government and defense supply chains.
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