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S6140-61618 — RETAINER,HELICAL COMPRESSION SPR

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

S6140-61618: RETAINER,HELICAL COMPRESSION SPR.

RETAINER,HELICAL COMPRESSION SPR. Key specifications include material: ALUMINUM ALLOY 7075, overall_height: 2.590 INCHES NOMINAL IN, flange_diameter: 1.440 INCHES NOMINAL IN, flange_thickness: 0.230 INCHES NOMINAL IN, style_designator: PARALLEL, surface_treatment: ANODIZE. This part is cataloged in the U.S.

Government catalog under NSN 5340-00-700-3119, 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
S6140-61618
NSN: 5340-00-700-3119
FSC: 5340 — Hardware, Commercial
CAGE: 78286 — SIKORSKY AIRCRAFT CORPORATION DBA SIKORSKY AIRCRAFT CORP (USA)
SPECIFICATIONS
materialALUMINUM ALLOY 7075
overall_height2.590 INCHES NOMINAL IN
flange_diameter1.440 INCHES NOMINAL IN
flange_thickness0.230 INCHES NOMINAL IN
style_designatorPARALLEL
surface_treatmentANODIZE
body_inside_diameter0.740 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN
body_outside_diameter1.035 INCHES NOMINAL IN
casehardening_indicatorNOT CASEHARDENED
outside_chamfer_angle_in_deg45.0
material_document_and_classificationQQ-A-225/9, T6 FED SPEC SINGLE MATERIAL RESPONSE
NSN5340-00-700-3119
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: S6140-61618 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
•
FLANGE DIAMETER: 1.440 INCHES NOMINAL IN
•
FLANGE THICKNESS: 0.230 INCHES NOMINAL IN
•
BODY OUTSIDE DIAMETER: 1.035 INCHES NOMINAL IN
•
STYLE DESIGNATOR: PARALLEL
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-A-225/9, T6 FED SPEC SINGLE MATERIAL RESPONSE
•
BODY INSIDE DIAMETER: 0.740 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN
•
OUTSIDE CHAMFER ANGLE IN DEG: 45.0
TECHNICAL CHARACTERISTICS
FLANGE DIAMETER1.440 INCHES NOMINAL IN
OVERALL HEIGHT2.590 INCHES NOMINAL IN
FLANGE THICKNESS0.230 INCHES NOMINAL IN
BODY OUTSIDE DIAMETER1.035 INCHES NOMINAL IN
STYLE DESIGNATORPARALLEL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-225/9, T6 FED SPEC SINGLE MATERIAL RESPONSE
BODY INSIDE DIAMETER0.740 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN
OUTSIDE CHAMFER ANGLE IN DEG45.0
CASEHARDENING INDICATORNOT CASEHARDENED
SURFACE TREATMENTANODIZE
OTHER ITEMS IN FSC 5340 — Hardware, Commercial
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5340-00-000-0068 5340-00-000-0132 5340-00-000-8150 5340-00-001-1251 5340-00-001-1264 5340-00-001-1265 5340-00-001-1266 5340-00-001-1275
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is S6140-61618?
S6140-61618 is a RETAINER,HELICAL COMPRESSION SPR.
What is the NSN for S6140-61618?
S6140-61618 is cataloged in the U.S. Government catalog under NSN 5340-00-700-3119. 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.