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35A-9A126 — CAP,PROTECTIVE,DUST AND MOISTURE

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

35A-9A126: CAP,PROTECTIVE,DUST AND MOISTURE.

CAP,PROTECTIVE,DUST AND MOISTURE. Key specifications include special_features: FOR WATERTIGHT SEAL, THE MALE INLET MUST ALSO BE ORDERED WITH THE 'NO LOCKOUT HOLE' OPTION (-A155), part_name_assigned_by_controlling_agency: PROTECTIVE CAP. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-674-5301, 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
35A-9A126
NSN: 5340-01-674-5301
FSC: 5340 — Hardware, Commercial
CAGE: 0FDK5 — MELTRIC CORPORATION (USA)
SPECIFICATIONS
special_featuresFOR WATERTIGHT SEAL, THE MALE INLET MUST ALSO BE ORDERED WITH THE 'NO LOCKOUT HOLE' OPTION (-A155)
part_name_assigned_by_controlling_agencyPROTECTIVE CAP
NSN5340-01-674-5301
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 35A-9A126 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
TECHNICAL CHARACTERISTICS
SPECIAL FEATURESFOR WATERTIGHT SEAL, THE MALE INLET MUST ALSO BE ORDERED WITH THE 'NO LOCKOUT HOLE' OPTION (-A155)
PART NAME ASSIGNED BY CONTROLLING AGENCYPROTECTIVE CAP
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 35A-9A126?
35A-9A126 is a CAP,PROTECTIVE,DUST AND MOISTURE.
What is the NSN for 35A-9A126?
35A-9A126 is cataloged in the U.S. Government catalog under NSN 5340-01-674-5301. 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.