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12927774 — CAP,PROTECTIVE,DUST AND MOISTURE

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

12927774: CAP,PROTECTIVE,DUST AND MOISTURE.

CAP,PROTECTIVE,DUST AND MOISTURE. Key specifications include material: ALUMINUM ALLOY 6061, design_type: THREADED, thread_class: 2B, material_document_and_classification: QQ-A-225/8, ALLOY 6061, 0 FED SPEC SINGLE MATERIAL RESPONSE, thread_size_and_series/type_designator: C10-2B UN. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-420-7072, 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
12927774
NSN: 5340-01-420-7072
FSC: 5340 — Hardware, Commercial
CAGE: 19200 — COMBAT CAPABILITIES DEVELOPMENT COMMAND (CCDC) ARMAMENTS CENTER DBA CCDC DIV LOGISTICS RESEARCH AND ENGINEERING DIRECTORATE (USA)
SPECIFICATIONS
materialALUMINUM ALLOY 6061
design_typeTHREADED
thread_class2B
material_document_and_classificationQQ-A-225/8, ALLOY 6061, 0 FED SPEC SINGLE MATERIAL RESPONSE
thread_size_and_series/type_designatorC10-2B UN
NSN5340-01-420-7072
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 12927774 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
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-A-225/8, ALLOY 6061, 0 FED SPEC SINGLE MATERIAL RESPONSE
•
THREAD CLASS: 2B
•
MATERIAL: ALUMINUM ALLOY 6061
•
THREAD SIZE AND SERIES/TYPE DESIGNATOR: C10-2B UN
TECHNICAL CHARACTERISTICS
DESIGN TYPETHREADED
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-225/8, ALLOY 6061, 0 FED SPEC SINGLE MATERIAL RESPONSE
THREAD CLASS2B
MATERIALALUMINUM ALLOY 6061
THREAD SIZE AND SERIES/TYPE DESIGNATORC10-2B UN
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: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 12927774?
12927774 is a CAP,PROTECTIVE,DUST AND MOISTURE.
What is the NSN for 12927774?
12927774 is cataloged in the U.S. Government catalog under NSN 5340-01-420-7072. 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.