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ST6DC-A — CAP,PROTECTIVE,DUST AND MOISTURE

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

ST6DC-A: CAP,PROTECTIVE,DUST AND MOISTURE.

CAP,PROTECTIVE,DUST AND MOISTURE. Key specifications include material: ALUMINUM, design_type: MACHINED, special_features: BODY SIZE 3/4", end_item_identification: NSN:5895-01-627-0869 SURVEILLANCE SYSTEM,ELEVATED SENSOR, part_name_assigned_by_controlling_agency: DQC ST-SERIES SNAP-TITE 71 INTERCHANGE DUST CAP. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-664-2489, 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
ST6DC-A
NSN: 5340-01-664-2489
FSC: 5340 — Hardware, Commercial
CAGE: 72661 — DIXON VALVE & COUPLING COMPANY, LLC DIV DIXON FIRE (USA)
SPECIFICATIONS
materialALUMINUM
design_typeMACHINED
special_featuresBODY SIZE 3/4"
end_item_identificationNSN:5895-01-627-0869 SURVEILLANCE SYSTEM,ELEVATED SENSOR
part_name_assigned_by_controlling_agencyDQC ST-SERIES SNAP-TITE 71 INTERCHANGE DUST CAP
NSN5340-01-664-2489
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: ST6DC-A 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: MACHINED
•
MATERIAL: ALUMINUM
TECHNICAL CHARACTERISTICS
DESIGN TYPEMACHINED
SPECIAL FEATURESBODY SIZE 3/4"
PART NAME ASSIGNED BY CONTROLLING AGENCYDQC ST-SERIES SNAP-TITE 71 INTERCHANGE DUST CAP
END ITEM IDENTIFICATIONNSN:5895-01-627-0869 SURVEILLANCE SYSTEM,ELEVATED SENSOR
MATERIALALUMINUM
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 ST6DC-A?
ST6DC-A is a CAP,PROTECTIVE,DUST AND MOISTURE.
What is the NSN for ST6DC-A?
ST6DC-A is cataloged in the U.S. Government catalog under NSN 5340-01-664-2489. 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.