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7652198 — COUPLING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

7652198: COUPLING.

The COUPLING is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING, end_diameter: 0.2500 INCHES NOMINAL IN, bore_diameter: 0.1880 INCHES NOMINAL IN, overall_height: 0.9375 INCHES NOMINAL IN, style_designator: SEAT, surface_treatment: PASSIVATE. This part is cataloged in the U.S.

Government catalog under NSN 5340-00-088-1902, 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
7652198
NSN: 5340-00-088-1902
NIINs: 000881902, 007652198
FSC: 5340 — Hardware, Commercial
CAGE: 11871 — RECON/OPTICAL, INC. (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING
end_diameter0.2500 INCHES NOMINAL IN
bore_diameter0.1880 INCHES NOMINAL IN
overall_height0.9375 INCHES NOMINAL IN
style_designatorSEAT
surface_treatmentPASSIVATE
distance_from_end_to_first_step0.8125 INCHES NOMINAL IN
NSN5340-00-088-1902
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 7652198 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
•
END DIAMETER: 0.2500 INCHES NOMINAL IN
•
DISTANCE FROM END TO FIRST STEP: 0.8125 INCHES NOMINAL IN
•
STYLE DESIGNATOR: SEAT
•
SURFACE TREATMENT: PASSIVATE
•
BORE DIAMETER: 0.1880 INCHES NOMINAL IN
•
MATERIAL: STEEL CORROSION RESISTING
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.9375 INCHES NOMINAL IN
END DIAMETER0.2500 INCHES NOMINAL IN
DISTANCE FROM END TO FIRST STEP0.8125 INCHES NOMINAL IN
STYLE DESIGNATORSEAT
SURFACE TREATMENTPASSIVATE
BORE DIAMETER0.1880 INCHES NOMINAL IN
MATERIALSTEEL CORROSION RESISTING
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Terminal item — no further procurement; issued until stock is exhaustedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 7652198?
7652198 is a COUPLING.
What is the NSN for 7652198?
7652198 is cataloged in the U.S. Government catalog under NSN 5340-00-088-1902. 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.