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DM-20-BR — CAP,PROTECTIVE,DUST AND MOISTURE

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

DM-20-BR: CAP,PROTECTIVE,DUST AND MOISTURE.

CAP,PROTECTIVE,DUST AND MOISTURE. Key specifications include material: COPPER ALLOY AND ZINC, design_type: THREADED, overall_height: 9.5 MILLIMETERS NOMINAL MM, overall_diameter: 22.0 MILLIMETERS NOMINAL MM, features_provided: ROHS DIRECTIVE COMPLIANCE, surface_treatment: NICKEL. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-681-7409, 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
DM-20-BR
NSN: 5340-01-681-7409
FSC: 5340 — Hardware, Commercial
CAGE: 60587 — FEDERAL EQUIPMENT CO (USA)
SPECIFICATIONS
materialCOPPER ALLOY AND ZINC
design_typeTHREADED
overall_height9.5 MILLIMETERS NOMINAL MM
overall_diameter22.0 MILLIMETERS NOMINAL MM
features_providedROHS DIRECTIVE COMPLIANCE
surface_treatmentNICKEL
end_item_identificationPLATE,SAFETY
thread_size_and_series/type_designator1.5 ISO M
part_name_assigned_by_controlling_agencyPLUG,DOME
opening_inside_diameter_for_which_designed20.0 MILLIMETERS NOMINAL MM
connector_nominal_thread_size_for_which_designed20.0 MILLIMETERS MM
NSN5340-01-681-7409
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: DM-20-BR 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
•
DESIGN TYPE: THREADED
•
OVERALL DIAMETER: 22.0 MILLIMETERS NOMINAL MM
•
CONNECTOR NOMINAL THREAD SIZE FOR WHICH DESIGNED: 20.0 MILLIMETERS MM
•
FEATURES PROVIDED: ROHS DIRECTIVE COMPLIANCE
•
OPENING INSIDE DIAMETER FOR WHICH DESIGNED: 20.0 MILLIMETERS NOMINAL MM
•
SURFACE TREATMENT: NICKEL
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT9.5 MILLIMETERS NOMINAL MM
DESIGN TYPETHREADED
OVERALL DIAMETER22.0 MILLIMETERS NOMINAL MM
CONNECTOR NOMINAL THREAD SIZE FOR WHICH DESIGNED20.0 MILLIMETERS MM
FEATURES PROVIDEDROHS DIRECTIVE COMPLIANCE
OPENING INSIDE DIAMETER FOR WHICH DESIGNED20.0 MILLIMETERS NOMINAL MM
SURFACE TREATMENTNICKEL
PART NAME ASSIGNED BY CONTROLLING AGENCYPLUG,DOME
END ITEM IDENTIFICATIONPLATE,SAFETY
MATERIALCOPPER ALLOY AND ZINC
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 DM-20-BR?
DM-20-BR is a CAP,PROTECTIVE,DUST AND MOISTURE.
What is the NSN for DM-20-BR?
DM-20-BR is cataloged in the U.S. Government catalog under NSN 5340-01-681-7409. This indicates validated use in U.S. government and defense supply chains.
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