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Technical Data Sheet
5340PL1449998 ✓ Verified by PartsTable
· ORING SEAL
WHAT YOU NEED TO KNOW
Material determines chemical compatibility Standard durometer is 70 Shore A
Wrong material = catastrophic seal failure
PRODUCT OVERVIEW

CAP,PROTECTIVE,DUST AND MOISTURE. Key specifications include material: ALUMINUM ALLOY 3003, design_type: THREADED, thread_class: 2B, surface_treatment: CHROMATE, inside_diameter_length: 0.350 INCHES MINIMUM AND 0.410 INCHES MAXIMUM IN, round_cap_outside_surface_condition: KNURLED. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-01-016-8180, 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
5340PL1449998
NSN: 5340-01-016-8180
FSC: 5340
CAGE: 9009H — JEDNOLITY INDEKS MATERIALOWY - UNIFORM MATERIAL INDEX (POL)
SPECIFICATIONS
materialALUMINUM ALLOY 3003
design_typeTHREADED
thread_class2B
surface_treatmentCHROMATE
inside_diameter_length0.350 INCHES MINIMUM AND 0.410 INCHES MAXIMUM IN
round_cap_outside_surface_conditionKNURLED
material_document_and_classificationQQ-A-250, ALLOY 3003, TEMPER 0 FED SPEC SINGLE MATERIAL RESPONSE
thread_size_and_series/type_designator9/16-18 UNF
surface_treatment_document_and_classificationMIL-C-5541, CLASS 1A MIL SPEC SINGLE TREATMENT RESPONSE A
NSN5340-01-016-8180
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 5340PL1449998 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
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-A-250, ALLOY 3003, TEMPER 0 FED SPEC SINGLE MATERIAL RESPONSE
MATERIAL: ALUMINUM ALLOY 3003
INSIDE DIAMETER LENGTH: 0.350 INCHES MINIMUM AND 0.410 INCHES MAXIMUM IN
THREAD SIZE AND SERIES/TYPE DESIGNATOR: 9/16-18 UNF
THREAD CLASS: 2B
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: MIL-C-5541, CLASS 1A MIL SPEC SINGLE TREATMENT RESPONSE A
ROUND CAP OUTSIDE SURFACE CONDITION: KNURLED
SURFACE TREATMENT: CHROMATE
TECHNICAL CHARACTERISTICS (FLIS)
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-250, ALLOY 3003, TEMPER 0 FED SPEC SINGLE MATERIAL RESPONSE
MATERIALALUMINUM ALLOY 3003
INSIDE DIAMETER LENGTH0.350 INCHES MINIMUM AND 0.410 INCHES MAXIMUM IN
THREAD SIZE AND SERIES/TYPE DESIGNATOR9/16-18 UNF
THREAD CLASS2B
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-C-5541, CLASS 1A MIL SPEC SINGLE TREATMENT RESPONSE A
ROUND CAP OUTSIDE SURFACE CONDITIONKNURLED
SURFACE TREATMENTCHROMATE
DESIGN TYPETHREADED
VERIFIED SUBSTITUTES & CROSS-REFERENCES 25
M5501/3-R10Upgraded Successor
successor cross-reference
successor
MILC5501Upgraded Successor
successor cross-reference
successor
S8625-7-8-14Upgraded Successor
successor cross-reference
successor
6-16Upgraded Successor
successor cross-reference
successor
5340PL1450718Upgraded Successor
successor cross-reference
successor
118170Upgraded Successor
successor cross-reference
successor
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 5340PL1449998?
5340PL1449998 is a CAP,PROTECTIVE,DUST AND MOISTURE.
What parts can replace 5340PL1449998?
There are 25 known substitutes for 5340PL1449998: M5501/3-R10, MILC5501, S8625-7-8-14 and 22 more. Substitute compatibility should be verified for your specific system.
Is 5340PL1449998 still available?
5340PL1449998 is currently cancelled.
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