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139896 — SEAT,HELICAL COMPRESSION SPRING

✓ Government record, cited
Hama · ORING SEAL
PRODUCT OVERVIEW

139896: SEAT,HELICAL COMPRESSION SPRING.

SEAT,HELICAL COMPRESSION SPRING. Key specifications include material: STEEL, design_type: SOLID, end_diameter: 0.6500 INCHES NOMINAL IN, bore_diameter: 0.5570 INCHES NOMINAL IN, overall_height: 0.4500 INCHES NOMINAL IN, style_designator: SEAT. This part is cataloged in the U.S.

Government catalog under NSN 5340-00-085-7469, 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
139896
NSN: 5340-00-085-7469
FSC: 5340 — Hardware, Commercial
CAGE: 15434 — CUMMINS INC. (USA)
SPECIFICATIONS
materialSTEEL
design_typeSOLID
end_diameter0.6500 INCHES NOMINAL IN
bore_diameter0.5570 INCHES NOMINAL IN
overall_height0.4500 INCHES NOMINAL IN
style_designatorSEAT
bore_taper_in_deg14.1
first_step_length0.1400 INCHES NOMINAL IN
counterbore_length0.0850 INCHES NOMINAL IN
first_step_diameter1.0250 INCHES NOMINAL IN
chamfer_angle_in_deg45.0
counterbore_diameter0.8200 INCHES NOMINAL IN
NSN5340-00-085-7469
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 139896 MFR: Hama ⚠ 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
•
FIRST STEP DIAMETER: 1.0250 INCHES NOMINAL IN
•
END DIAMETER: 0.6500 INCHES NOMINAL IN
•
DISTANCE FROM END TO FIRST STEP: 0.1600 INCHES NOMINAL IN
•
DESIGN TYPE: SOLID
•
STYLE DESIGNATOR: SEAT
•
COUNTERBORE LENGTH: 0.0850 INCHES NOMINAL IN
•
SECOND STEP DIAMETER: 1.4400 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.4500 INCHES NOMINAL IN
FIRST STEP DIAMETER1.0250 INCHES NOMINAL IN
END DIAMETER0.6500 INCHES NOMINAL IN
DISTANCE FROM END TO FIRST STEP0.1600 INCHES NOMINAL IN
DESIGN TYPESOLID
STYLE DESIGNATORSEAT
COUNTERBORE LENGTH0.0850 INCHES NOMINAL IN
SECOND STEP DIAMETER1.4400 INCHES NOMINAL IN
COUNTERBORE DIAMETER0.8200 INCHES NOMINAL IN
BORE TAPER IN DEG14.1
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 139896?
139896 is a SEAT,HELICAL COMPRESSION SPRING manufactured by Hama.
What is the NSN for 139896?
139896 is cataloged in the U.S. Government catalog under NSN 5340-00-085-7469. This indicates validated use in U.S. government and defense supply chains.
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