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8642408 — RETAINER,HELICAL COMPRESSION SPR

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

8642408: RETAINER,HELICAL COMPRESSION SPR.

RETAINER,HELICAL COMPRESSION SPR. Key specifications include material: COPPER ALLOY, overall_height: 0.625 INCHES NOMINAL IN, style_designator: PARALLEL, end_hole_diameter: 0.312 INCHES NOMINAL IN, body_inside_diameter: 0.531 INCHES NOMINAL IN, inside_chamfer_depth: 0.031 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5340-00-474-7013, 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
8642408
NSN: 5340-00-474-7013
FSC: 5340 — Hardware, Commercial
CAGE: 19200 — COMBAT CAPABILITIES DEVELOPMENT COMMAND (CCDC) ARMAMENTS CENTER DBA CCDC DIV LOGISTICS RESEARCH AND ENGINEERING DIRECTORATE (USA)
SPECIFICATIONS
materialCOPPER ALLOY
overall_height0.625 INCHES NOMINAL IN
style_designatorPARALLEL
end_hole_diameter0.312 INCHES NOMINAL IN
body_inside_diameter0.531 INCHES NOMINAL IN
inside_chamfer_depth0.031 INCHES NOMINAL IN
body_outside_diameter0.850 INCHES NOMINAL IN
outside_chamfer_depth0.312 INCHES NOMINAL IN
mounting_hole_diameter0.031 INCHES NOMINAL IN
casehardening_indicatorNOT CASEHARDENED
inside_chamfer_angle_in_deg45.0
NSN5340-00-474-7013
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 8642408 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
•
BODY OUTSIDE DIAMETER: 0.850 INCHES NOMINAL IN
•
STYLE DESIGNATOR: PARALLEL
•
MOUNTING HOLE DIAMETER: 0.031 INCHES NOMINAL IN
•
INSIDE CHAMFER DEPTH: 0.031 INCHES NOMINAL IN
•
BODY INSIDE DIAMETER: 0.531 INCHES NOMINAL IN
•
CASEHARDENING INDICATOR: NOT CASEHARDENED
•
MATERIAL: COPPER ALLOY
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.625 INCHES NOMINAL IN
BODY OUTSIDE DIAMETER0.850 INCHES NOMINAL IN
STYLE DESIGNATORPARALLEL
MOUNTING HOLE DIAMETER0.031 INCHES NOMINAL IN
INSIDE CHAMFER DEPTH0.031 INCHES NOMINAL IN
BODY INSIDE DIAMETER0.531 INCHES NOMINAL IN
CASEHARDENING INDICATORNOT CASEHARDENED
MATERIALCOPPER ALLOY
OUTSIDE CHAMFER DEPTH0.312 INCHES NOMINAL IN
INSIDE CHAMFER ANGLE IN DEG45.0
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 8642408?
8642408 is a RETAINER,HELICAL COMPRESSION SPR.
What is the NSN for 8642408?
8642408 is cataloged in the U.S. Government catalog under NSN 5340-00-474-7013. This indicates validated use in U.S. government and defense supply chains.
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