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Technical Data Sheet
5340PL0166943 ✓ 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-PLUG,PROTECTIVE,DUST AND MOI. Key specifications include material: PLASTIC, POLYETHYLENE (PP), length_under_shoulder: 0.590 INCHES MINIMUM AND 0.650 INCHES MAXIMUM IN, open_end_inside_diameter: 0.730 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN, closed_end_overall_diameter: 0.901 INCHES MINIMUM AND 0.921 INCHES MAXIMUM IN, material_document_and_classification: L-P-390, TYPE 1, GRADE 1, CLASS L FED SPEC SINGLE MATERIAL RESPONSE. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-01-043-7078, 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
5340PL0166943
NSN: 5340-01-043-7078
FSC: 5340
CAGE: 9009H — JEDNOLITY INDEKS MATERIALOWY - UNIFORM MATERIAL INDEX (POL)
SPECIFICATIONS
materialPLASTIC, POLYETHYLENE (PP)
length_under_shoulder0.590 INCHES MINIMUM AND 0.650 INCHES MAXIMUM IN
open_end_inside_diameter0.730 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN
closed_end_overall_diameter0.901 INCHES MINIMUM AND 0.921 INCHES MAXIMUM IN
material_document_and_classificationL-P-390, TYPE 1, GRADE 1, CLASS L FED SPEC SINGLE MATERIAL RESPONSE
NSN5340-01-043-7078
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 5340PL0166943 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
CLOSED END OVERALL DIAMETER: 0.901 INCHES MINIMUM AND 0.921 INCHES MAXIMUM IN
LENGTH UNDER SHOULDER: 0.590 INCHES MINIMUM AND 0.650 INCHES MAXIMUM IN
OPEN END INSIDE DIAMETER: 0.730 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATION: L-P-390, TYPE 1, GRADE 1, CLASS L FED SPEC SINGLE MATERIAL RESPONSE
MATERIAL: PLASTIC, POLYETHYLENE (PP)
TECHNICAL CHARACTERISTICS (FLIS)
CLOSED END OVERALL DIAMETER0.901 INCHES MINIMUM AND 0.921 INCHES MAXIMUM IN
LENGTH UNDER SHOULDER0.590 INCHES MINIMUM AND 0.650 INCHES MAXIMUM IN
OPEN END INSIDE DIAMETER0.730 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATIONL-P-390, TYPE 1, GRADE 1, CLASS L FED SPEC SINGLE MATERIAL RESPONSE
MATERIALPLASTIC, POLYETHYLENE (PP)
VERIFIED SUBSTITUTES & CROSS-REFERENCES 27
NAS844-8Upgraded Successor
successor cross-reference
successor
NAS847Upgraded Successor
successor cross-reference
successor
102C1279-1Upgraded Successor
successor cross-reference
successor
8028447Upgraded Successor
successor cross-reference
successor
353122-4Upgraded Successor
successor cross-reference
successor
17SUpgraded Successor
successor cross-reference
successor
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 5340PL0166943?
5340PL0166943 is a CAP-PLUG,PROTECTIVE,DUST AND MOI.
What parts can replace 5340PL0166943?
There are 27 known substitutes for 5340PL0166943: NAS844-8, NAS847, 102C1279-1 and 24 more. Substitute compatibility should be verified for your specific system.
Is 5340PL0166943 still available?
5340PL0166943 is currently cancelled.
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