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A6481.155.156 — SEAT,HELICAL COMPRESSION SPRING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

A6481.155.156: SEAT,HELICAL COMPRESSION SPRING.

SEAT,HELICAL COMPRESSION SPRING. Key specifications include material: STEEL CORROSION RESISTING, design_type: SOLID, end_diameter: 1.5940 INCHES NOMINAL IN, bore_diameter: 0.5940 INCHES NOMINAL IN, overall_height: 0.7500 INCHES NOMINAL IN, special_features: BOT CASEHARDENED. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-189-6764, 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
A6481.155.156
NSN: 5340-01-189-6764
FSC: 5340 — Hardware, Commercial
CAGE: 01343 — ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING
design_typeSOLID
end_diameter1.5940 INCHES NOMINAL IN
bore_diameter0.5940 INCHES NOMINAL IN
overall_height0.7500 INCHES NOMINAL IN
special_featuresBOT CASEHARDENED
style_designatorSEAT
first_step_diameter3.1250 INCHES NOMINAL IN
countersink_diameter1.0000 INCHES NOMINAL IN
distance_from_end_to_first_step0.5000 INCHES NOMINAL IN
NSN5340-01-189-6764
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: A6481.155.156 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
•
FIRST STEP DIAMETER: 3.1250 INCHES NOMINAL IN
•
END DIAMETER: 1.5940 INCHES NOMINAL IN
•
COUNTERSINK DIAMETER: 1.0000 INCHES NOMINAL IN
•
DISTANCE FROM END TO FIRST STEP: 0.5000 INCHES NOMINAL IN
•
DESIGN TYPE: SOLID
•
STYLE DESIGNATOR: SEAT
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.7500 INCHES NOMINAL IN
FIRST STEP DIAMETER3.1250 INCHES NOMINAL IN
END DIAMETER1.5940 INCHES NOMINAL IN
COUNTERSINK DIAMETER1.0000 INCHES NOMINAL IN
DISTANCE FROM END TO FIRST STEP0.5000 INCHES NOMINAL IN
DESIGN TYPESOLID
STYLE DESIGNATORSEAT
SPECIAL FEATURESBOT CASEHARDENED
BORE DIAMETER0.5940 INCHES NOMINAL IN
MATERIALSTEEL CORROSION RESISTING
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 A6481.155.156?
A6481.155.156 is a SEAT,HELICAL COMPRESSION SPRING.
What is the NSN for A6481.155.156?
A6481.155.156 is cataloged in the U.S. Government catalog under NSN 5340-01-189-6764. This indicates validated use in U.S. government and defense supply chains.
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