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E-4569-B — CAP,PROTECTIVE,DUST AND MOISTURE

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

E-4569-B: CAP,PROTECTIVE,DUST AND MOISTURE.

CAP,PROTECTIVE,DUST AND MOISTURE. Key specifications include material: PLASTIC POLYAMIDE NYLON, end_item_identification: 2320-01-534-1867 TRUCK,PALLETIZED LOADING,M1977A4,COMMON BRIDGE TRANSPORTER (CBT), part_name_assigned_by_controlling_agency: WIRE DRESS,20 WAY PASS THRU. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-563-0353, 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
E-4569-B
NSN: 5340-01-563-0353
FSC: 5340 — Hardware, Commercial
CAGE: 70485 — ATLANTIC INDIA RUBBER CO INC (USA)
SPECIFICATIONS
materialPLASTIC POLYAMIDE NYLON
end_item_identification2320-01-534-1867 TRUCK,PALLETIZED LOADING,M1977A4,COMMON BRIDGE TRANSPORTER (CBT)
part_name_assigned_by_controlling_agencyWIRE DRESS,20 WAY PASS THRU
NSN5340-01-563-0353
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: E-4569-B 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
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MATERIAL: PLASTIC POLYAMIDE NYLON
TECHNICAL CHARACTERISTICS
PART NAME ASSIGNED BY CONTROLLING AGENCYWIRE DRESS,20 WAY PASS THRU
END ITEM IDENTIFICATION2320-01-534-1867 TRUCK,PALLETIZED LOADING,M1977A4,COMMON BRIDGE TRANSPORTER (CBT)
MATERIALPLASTIC POLYAMIDE NYLON
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 E-4569-B?
E-4569-B is a CAP,PROTECTIVE,DUST AND MOISTURE.
What is the NSN for E-4569-B?
E-4569-B is cataloged in the U.S. Government catalog under NSN 5340-01-563-0353. 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.