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A6481.078.145 — SEAT,HELICAL COMPRESSION SPRING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

A6481.078.145: SEAT,HELICAL COMPRESSION SPRING.

SEAT,HELICAL COMPRESSION SPRING. Key specifications include material: STEEL, design_type: SOLID, end_diameter: 1.5850 INCHES MINIMUM AND 1.5950 INCHES MAXIMUM IN, bore_diameter: 0.5600 INCHES MINIMUM AND 0.5750 INCHES MAXIMUM IN, overall_height: 0.7950 INCHES MINIMUM AND 0.8250 INCHES MAXIMUM IN, style_designator: SEAT. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-211-0839, 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
A6481.078.145
NSN: 5340-01-211-0839
FSC: 5340 — Hardware, Commercial
CAGE: 01343 — ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY (USA)
SPECIFICATIONS
materialSTEEL
design_typeSOLID
end_diameter1.5850 INCHES MINIMUM AND 1.5950 INCHES MAXIMUM IN
bore_diameter0.5600 INCHES MINIMUM AND 0.5750 INCHES MAXIMUM IN
overall_height0.7950 INCHES MINIMUM AND 0.8250 INCHES MAXIMUM IN
style_designatorSEAT
first_step_diameter2.8650 INCHES MINIMUM AND 2.8950 INCHES MAXIMUM IN
countersink_diameter0.0450 INCHES MINIMUM AND 1.0750 INCHES MAXIMUM IN
countersink_angle_in_deg30.0
distance_from_end_to_first_step0.4000 INCHES MINIMUM AND 0.4600 INCHES MAXIMUM IN
material_document_and_classificationASTM A108 ASSN STD SINGLE MATERIAL RESPONSE
NSN5340-01-211-0839
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: A6481.078.145 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
•
COUNTERSINK ANGLE IN DEG: 30.0
•
FIRST STEP DIAMETER: 2.8650 INCHES MINIMUM AND 2.8950 INCHES MAXIMUM IN
•
END DIAMETER: 1.5850 INCHES MINIMUM AND 1.5950 INCHES MAXIMUM IN
•
COUNTERSINK DIAMETER: 0.0450 INCHES MINIMUM AND 1.0750 INCHES MAXIMUM IN
•
DISTANCE FROM END TO FIRST STEP: 0.4000 INCHES MINIMUM AND 0.4600 INCHES MAXIMUM IN
•
DESIGN TYPE: SOLID
•
STYLE DESIGNATOR: SEAT
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.7950 INCHES MINIMUM AND 0.8250 INCHES MAXIMUM IN
COUNTERSINK ANGLE IN DEG30.0
FIRST STEP DIAMETER2.8650 INCHES MINIMUM AND 2.8950 INCHES MAXIMUM IN
END DIAMETER1.5850 INCHES MINIMUM AND 1.5950 INCHES MAXIMUM IN
COUNTERSINK DIAMETER0.0450 INCHES MINIMUM AND 1.0750 INCHES MAXIMUM IN
DISTANCE FROM END TO FIRST STEP0.4000 INCHES MINIMUM AND 0.4600 INCHES MAXIMUM IN
DESIGN TYPESOLID
STYLE DESIGNATORSEAT
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A108 ASSN STD SINGLE MATERIAL RESPONSE
BORE DIAMETER0.5600 INCHES MINIMUM AND 0.5750 INCHES MAXIMUM 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 A6481.078.145?
A6481.078.145 is a SEAT,HELICAL COMPRESSION SPRING.
What is the NSN for A6481.078.145?
A6481.078.145 is cataloged in the U.S. Government catalog under NSN 5340-01-211-0839. This indicates validated use in U.S. government and defense supply chains.
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