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5188405 — COUPLER,DIRECTIONAL

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

5188405: COUPLER,DIRECTIONAL.

The COUPLER,DIRECTIONAL is a the manufacturer industrial component. Key specifications include diameter: 1.692 INCHES MINIMUM AND 1.695 INCHES MAXIMUM IN, material: STEEL, thickness: 0.017 INCHES MINIMUM AND 0.019 INCHES MAXIMUM IN, fsc_application_data: GASOLINE RECIPROCATING ENGINE,EXCEPT AIRCRAFT, end_item_identification: MK 15 MOD 11T14 CLOSE IN WEAPONS SYSTEM, machined_surface_finish: GROUND. This part is cataloged in the U.S.

Government catalog under NSN 5340-00-551-6146, 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
5188405
NSN: 5340-00-551-6146
NIINs: 005516146, 013552986
FSC: 5340 — Hardware, Commercial
CAGE: 72582 — ROLLS-ROYCE SOLUTIONS AMERICA INC (USA)
SPECIFICATIONS
diameter1.692 INCHES MINIMUM AND 1.695 INCHES MAXIMUM IN
materialSTEEL
thickness0.017 INCHES MINIMUM AND 0.019 INCHES MAXIMUM IN
fsc_application_dataGASOLINE RECIPROCATING ENGINE,EXCEPT AIRCRAFT
end_item_identificationMK 15 MOD 11T14 CLOSE IN WEAPONS SYSTEM
machined_surface_finishGROUND
material_document_and_classificationSAE 1060 TO 1090 ASSN STD SINGLE MATERIAL RESPONSE
NSN5340-00-551-6146
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 5188405 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
•
FSC APPLICATION DATA: GASOLINE RECIPROCATING ENGINE,EXCEPT AIRCRAFT
•
MACHINED SURFACE FINISH: GROUND
•
MATERIAL DOCUMENT AND CLASSIFICATION: SAE 1060 TO 1090 ASSN STD SINGLE MATERIAL RESPONSE
•
DIAMETER: 1.692 INCHES MINIMUM AND 1.695 INCHES MAXIMUM IN
•
MATERIAL: STEEL
•
THICKNESS: 0.017 INCHES MINIMUM AND 0.019 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
FSC APPLICATION DATAGASOLINE RECIPROCATING ENGINE,EXCEPT AIRCRAFT
MACHINED SURFACE FINISHGROUND
MATERIAL DOCUMENT AND CLASSIFICATIONSAE 1060 TO 1090 ASSN STD SINGLE MATERIAL RESPONSE
DIAMETER1.692 INCHES MINIMUM AND 1.695 INCHES MAXIMUM IN
MATERIALSTEEL
THICKNESS0.017 INCHES MINIMUM AND 0.019 INCHES MAXIMUM IN
SUBSTITUTES & CROSS-REFERENCES 6
5153592Reference document
Same NSN cross-reference
Reference document — Secondary reference
PC5188405Reference document
Same NSN cross-reference
Reference document — Secondary reference
5247728Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
2805005516146Reference document
Same NSN cross-reference
Reference document — Informative reference only
5188405AReference document
Same NSN cross-reference
Reference document — Secondary reference
K5188405Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 5188405?
5188405 is a COUPLER,DIRECTIONAL.
What parts can replace 5188405?
There are 6 known substitutes for 5188405: 5153592, PC5188405, 5247728 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 5188405?
5188405 is cataloged in the U.S. Government catalog under NSN 5340-00-551-6146. This indicates validated use in U.S. government and defense supply chains.
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