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12564981-4 — CAP,PROTECTIVE,DUST AND MOISTURE

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

12564981-4: CAP,PROTECTIVE,DUST AND MOISTURE.

CAP,PROTECTIVE,DUST AND MOISTURE. Key specifications include material: ALUMINUM ALLOY, overall_length: 7.0 INCHES NOMINAL IN, overall_diameter: 0.165 INCHES MINIMUM AND 0.215 INCHES MAXIMUM IN, surface_treatment: CADMIUM, end_item_identification: 1095-01-235-3139, part_name_assigned_by_controlling_agency: PROTECTION CAP ASSEMBLY. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-732-0699, 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
12564981-4
NSN: 5340-01-732-0699
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
overall_length7.0 INCHES NOMINAL IN
overall_diameter0.165 INCHES MINIMUM AND 0.215 INCHES MAXIMUM IN
surface_treatmentCADMIUM
end_item_identification1095-01-235-3139
part_name_assigned_by_controlling_agencyPROTECTION CAP ASSEMBLY
NSN5340-01-732-0699
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 12564981-4 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
•
OVERALL DIAMETER: 0.165 INCHES MINIMUM AND 0.215 INCHES MAXIMUM IN
•
SURFACE TREATMENT: CADMIUM
•
MATERIAL: ALUMINUM ALLOY
TECHNICAL CHARACTERISTICS
OVERALL DIAMETER0.165 INCHES MINIMUM AND 0.215 INCHES MAXIMUM IN
OVERALL LENGTH7.0 INCHES NOMINAL IN
SURFACE TREATMENTCADMIUM
PART NAME ASSIGNED BY CONTROLLING AGENCYPROTECTION CAP ASSEMBLY
END ITEM IDENTIFICATION1095-01-235-3139
MATERIALALUMINUM ALLOY
SUBSTITUTES & CROSS-REFERENCES 1
12564981Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
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 12564981-4?
12564981-4 is a CAP,PROTECTIVE,DUST AND MOISTURE.
What parts can replace 12564981-4?
There is 1 known substitute for 12564981-4: 12564981. Substitute compatibility should be verified for your specific system.
What is the NSN for 12564981-4?
12564981-4 is cataloged in the U.S. Government catalog under NSN 5340-01-732-0699. 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.