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Technical Data Sheet
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122777-1 — COVER,PROTECTIVE,DUST AND MOISTU

✓ Government record, cited
3M · ORING SEAL
PRODUCT OVERVIEW

122777-1: COVER,PROTECTIVE,DUST AND MOISTU.

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Vikuiti protection films are designed for application to electronic displays. This part is cataloged in the U.S. Government catalog under NSN 5340-01-123-7168, 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
122777-1
NSN: 5340-01-123-7168
NIINs: 011237168, 016065335
FSC: 5340 — Hardware, Commercial
CAGE: 10138 — ASTRONAUTICS CORPORATION OF AMERICA (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING AND RUBBER SYNTHETIC
special_featuresSTAINLESS STEEL BRACKET-CLOSED CELL FOAM GASKET(NEOPRENE/EPDM/SBR); BRACKET 2.75 WIDE;LEG WITH GASKET 2.56 LONG;LAST LEG 1.4 LONG
part_name_assigned_by_controlling_agencyDUST GUARD
NSN5340-01-123-7168
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 122777-1 MFR: 3M ⚠ 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
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PERIPHERAL SHAPE STYLE: RECTANGLE, ONE CENTER HOLE
TECHNICAL CHARACTERISTICS
PERIPHERAL SHAPE STYLERECTANGLE, ONE CENTER HOLE
END ITEM IDENTIFICATIONEF111A
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Terminal item — no further procurement; issued until stock is exhaustedDemilitarization required — mutilation
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FREQUENTLY ASKED QUESTIONS
What is 122777-1?
122777-1 is a COVER,PROTECTIVE,DUST AND MOISTU manufactured by 3M.
What is the NSN for 122777-1?
122777-1 is cataloged in the U.S. Government catalog under NSN 5340-01-123-7168. This indicates validated use in U.S. government and defense supply chains.
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