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CA121003-6 — CAP,PROTECTIVE,DUST AND MOISTURE

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

CA121003-6: CAP,PROTECTIVE,DUST AND MOISTURE.

CAP,PROTECTIVE,DUST AND MOISTURE. Key specifications include material: ALUMINUM ALLOY, design_type: FRICTION, overall_diameter: 1.457 INCHES MAXIMUM IN, special_features: FURNISHED W/CHAIN AND SEAL, round_cap_outside_surface_condition: RIBBED. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-345-4050, 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
CA121003-6
NSN: 5340-01-345-4050
FSC: 5340 — Hardware, Commercial
CAGE: 17549 — ITT CANNON (CAN)
SPECIFICATIONS
materialALUMINUM ALLOY
design_typeFRICTION
overall_diameter1.457 INCHES MAXIMUM IN
special_featuresFURNISHED W/CHAIN AND SEAL
round_cap_outside_surface_conditionRIBBED
NSN5340-01-345-4050
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: CA121003-6 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: FRICTION
•
OVERALL DIAMETER: 1.457 INCHES MAXIMUM IN
•
MATERIAL: ALUMINUM ALLOY
•
ROUND CAP OUTSIDE SURFACE CONDITION: RIBBED
TECHNICAL CHARACTERISTICS
DESIGN TYPEFRICTION
OVERALL DIAMETER1.457 INCHES MAXIMUM IN
SPECIAL FEATURESFURNISHED W/CHAIN AND SEAL
MATERIALALUMINUM ALLOY
ROUND CAP OUTSIDE SURFACE CONDITIONRIBBED
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 4
CIR18TFReference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
1961590Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
835028A0450-4Reference document
Same NSN cross-reference
Reference document — Vendor item drawing reference
L835028A0450-4Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 CA121003-6?
CA121003-6 is a CAP,PROTECTIVE,DUST AND MOISTURE.
What parts can replace CA121003-6?
There are 4 known substitutes for CA121003-6: CIR18TF, 1961590, 835028A0450-4 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for CA121003-6?
CA121003-6 is cataloged in the U.S. Government catalog under NSN 5340-01-345-4050. 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.