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CC-1770 PC 1 — FRAME,ACCESS HOLE

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

CC-1770 PC 1: FRAME,ACCESS HOLE.

The FRAME,ACCESS HOLE is a the manufacturer industrial component. Key specifications include material: STEEL COMP 304 OVERALL, overall_length: 46.250 INCHES NOMINAL IN, aperture_length: 39.000 INCHES NOMINAL IN, mounting_method: SCREW, style_designator: RECTANGULAR, overall_thickness: 0.250 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-496-0724, 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
CC-1770 PC 1
NSN: 5340-01-496-0724
FSC: 5340 — Hardware, Commercial
CAGE: 21204 — CORNELL-CARR CO., INC. (USA)
SPECIFICATIONS
materialSTEEL COMP 304 OVERALL
overall_length46.250 INCHES NOMINAL IN
aperture_length39.000 INCHES NOMINAL IN
mounting_methodSCREW
style_designatorRECTANGULAR
overall_thickness0.250 INCHES NOMINAL IN
end_item_identificationICCS DOME WINDOW
part_name_assigned_by_controlling_agencyAIRCRAFT CARRIER CVN 76 FORWARD ICCS DOME WINDOW
NSN5340-01-496-0724
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: CC-1770 PC 1 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
•
MOUNTING METHOD: SCREW
•
OVERALL THICKNESS: 0.250 INCHES NOMINAL IN
•
STYLE DESIGNATOR: RECTANGULAR
•
APERTURE LENGTH: 39.000 INCHES NOMINAL IN
•
MATERIAL: STEEL COMP 304 OVERALL
TECHNICAL CHARACTERISTICS
MOUNTING METHODSCREW
OVERALL THICKNESS0.250 INCHES NOMINAL IN
STYLE DESIGNATORRECTANGULAR
OVERALL LENGTH46.250 INCHES NOMINAL IN
APERTURE LENGTH39.000 INCHES NOMINAL IN
PART NAME ASSIGNED BY CONTROLLING AGENCYAIRCRAFT CARRIER CVN 76 FORWARD ICCS DOME WINDOW
END ITEM IDENTIFICATIONICCS DOME WINDOW
MATERIALSTEEL COMP 304 OVERALL
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

No substitute or cross-reference records for this part.

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 CC-1770 PC 1?
CC-1770 PC 1 is a FRAME,ACCESS HOLE.
What is the NSN for CC-1770 PC 1?
CC-1770 PC 1 is cataloged in the U.S. Government catalog under NSN 5340-01-496-0724. 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.