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3186814 — RETAINER,HELICAL COMPRESSION SPR

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

3186814: RETAINER,HELICAL COMPRESSION SPR.

RETAINER,HELICAL COMPRESSION SPR. Key specifications include overall_height: 0.560 INCHES NOMINAL IN, flange_diameter: 0.880 INCHES NOMINAL IN, flange_thickness: 0.120 INCHES NOMINAL IN, style_designator: PARALLEL, end_hole_diameter: 0.125 INCHES NOMINAL IN, surface_treatment: CADMIUM AND CHROMATE. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-120-2872, 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
3186814
NSN: 5340-01-120-2872
FSC: 5340 — Hardware, Commercial
CAGE: 10001 — NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER (USA)
SPECIFICATIONS
overall_height0.560 INCHES NOMINAL IN
flange_diameter0.880 INCHES NOMINAL IN
flange_thickness0.120 INCHES NOMINAL IN
style_designatorPARALLEL
end_hole_diameter0.125 INCHES NOMINAL IN
surface_treatmentCADMIUM AND CHROMATE
body_inside_diameter0.312 INCHES NOMINAL IN
body_outside_diameter0.750 INCHES NOMINAL IN
casehardening_indicatorNOT CASEHARDENED
surface_treatment_document_and_classificationQQ-P-416, TYPE 2, CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE
NSN5340-01-120-2872
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 3186814 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: 0.880 INCHES NOMINAL IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416, TYPE 2, CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE
•
FLANGE THICKNESS: 0.120 INCHES NOMINAL IN
•
BODY OUTSIDE DIAMETER: 0.750 INCHES NOMINAL IN
•
STYLE DESIGNATOR: PARALLEL
•
BODY INSIDE DIAMETER: 0.312 INCHES NOMINAL IN
•
CASEHARDENING INDICATOR: NOT CASEHARDENED
TECHNICAL CHARACTERISTICS
FLANGE DIAMETER0.880 INCHES NOMINAL IN
OVERALL HEIGHT0.560 INCHES NOMINAL IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416, TYPE 2, CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE
FLANGE THICKNESS0.120 INCHES NOMINAL IN
BODY OUTSIDE DIAMETER0.750 INCHES NOMINAL IN
STYLE DESIGNATORPARALLEL
BODY INSIDE DIAMETER0.312 INCHES NOMINAL IN
CASEHARDENING INDICATORNOT CASEHARDENED
SURFACE TREATMENTCADMIUM AND CHROMATE
END HOLE DIAMETER0.125 INCHES NOMINAL IN
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
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 3186814?
3186814 is a RETAINER,HELICAL COMPRESSION SPR.
What is the NSN for 3186814?
3186814 is cataloged in the U.S. Government catalog under NSN 5340-01-120-2872. This indicates validated use in U.S. government and defense supply chains.
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