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A13040-2 — PLUG,PROTECTIVE,DUST AND MOISTUR

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

A13040-2: PLUG,PROTECTIVE,DUST AND MOISTUR.

PLUG,PROTECTIVE,DUST AND MOISTUR. Key specifications include material: ALUMINUM, drive_type: SERRATED, design_type: THREADED, overall_diameter: 0.540 INCHES NOMINAL IN, thread_size_and_series/type_designator: 1/4-18 NPT. This part is cataloged in the U.S.

Government catalog under NSN 5340-00-526-1692, 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
A13040-2
NSN: 5340-00-526-1692
FSC: 5340 — Hardware, Commercial
CAGE: 03990 — INGERSOLL-RAND COMPANY DBA INGERSOLL-RAND (USA)
SPECIFICATIONS
materialALUMINUM
drive_typeSERRATED
design_typeTHREADED
overall_diameter0.540 INCHES NOMINAL IN
thread_size_and_series/type_designator1/4-18 NPT
NSN5340-00-526-1692
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: A13040-2 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
•
OVERALL DIAMETER: 0.540 INCHES NOMINAL IN
•
DRIVE TYPE: SERRATED
•
MATERIAL: ALUMINUM
•
THREAD SIZE AND SERIES/TYPE DESIGNATOR: 1/4-18 NPT
TECHNICAL CHARACTERISTICS
DESIGN TYPETHREADED
OVERALL DIAMETER0.540 INCHES NOMINAL IN
DRIVE TYPESERRATED
MATERIALALUMINUM
THREAD SIZE AND SERIES/TYPE DESIGNATOR1/4-18 NPT
SUBSTITUTES & CROSS-REFERENCES 2
5340PL1879671Reference document
Same NSN cross-reference
Reference document — Informative reference only
13040-2Reference document
Same NSN cross-reference
Reference document — Secondary reference
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 A13040-2?
A13040-2 is a PLUG,PROTECTIVE,DUST AND MOISTUR.
What parts can replace A13040-2?
There are 2 known substitutes for A13040-2: 5340PL1879671, 13040-2. Substitute compatibility should be verified for your specific system.
What is the NSN for A13040-2?
A13040-2 is cataloged in the U.S. Government catalog under NSN 5340-00-526-1692. This indicates validated use in U.S. government and defense supply chains.
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