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148524 — SEAT,HELICAL COMPRESSION SPRING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

148524: SEAT,HELICAL COMPRESSION SPRING.

SEAT,HELICAL COMPRESSION SPRING. Key specifications include material: STEEL, design_type: SOLID, end_diameter: 1.3200 INCHES MINIMUM AND 1.3400 INCHES MAXIMUM IN, bore_diameter: 0.7750 INCHES MINIMUM AND 0.7850 INCHES MAXIMUM IN, overall_height: 0.4500 INCHES MINIMUM AND 0.4700 INCHES MAXIMUM IN, first_step_length: 0.1300 INCHES MINIMUM AND 0.1700 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5340-00-459-9937, 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
148524
NSN: 5340-00-459-9937
FSC: 5340 — Hardware, Commercial
CAGE: 15434 — CUMMINS INC. (USA)
SPECIFICATIONS
materialSTEEL
design_typeSOLID
end_diameter1.3200 INCHES MINIMUM AND 1.3400 INCHES MAXIMUM IN
bore_diameter0.7750 INCHES MINIMUM AND 0.7850 INCHES MAXIMUM IN
overall_height0.4500 INCHES MINIMUM AND 0.4700 INCHES MAXIMUM IN
first_step_length0.1300 INCHES MINIMUM AND 0.1700 INCHES MAXIMUM IN
counterbore_length0.2100 INCHES MINIMUM AND 0.2500 INCHES MAXIMUM IN
first_step_diameter1.7500 INCHES NOMINAL IN
second_end_diameter1.3900 INCHES MINIMUM AND 1.4100 INCHES MAXIMUM IN
chamfer_angle_in_deg30.0
counterbore_diameter1.2850 INCHES MINIMUM AND 1.3000 INCHES MAXIMUM IN
countersink_diameter0.8700 INCHES MINIMUM AND 0.8900 INCHES MAXIMUM IN
NSN5340-00-459-9937
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 148524 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: 45.0
•
FIRST STEP DIAMETER: 1.7500 INCHES NOMINAL IN
•
END DIAMETER: 1.3200 INCHES MINIMUM AND 1.3400 INCHES MAXIMUM IN
•
COUNTERSINK DIAMETER: 0.8700 INCHES MINIMUM AND 0.8900 INCHES MAXIMUM IN
•
SECOND END DIAMETER: 1.3900 INCHES MINIMUM AND 1.4100 INCHES MAXIMUM IN
•
DISTANCE FROM END TO FIRST STEP: 0.2000 INCHES MINIMUM AND 0.2200 INCHES MAXIMUM IN
•
DESIGN TYPE: SOLID
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.4500 INCHES MINIMUM AND 0.4700 INCHES MAXIMUM IN
COUNTERSINK ANGLE IN DEG45.0
FIRST STEP DIAMETER1.7500 INCHES NOMINAL IN
END DIAMETER1.3200 INCHES MINIMUM AND 1.3400 INCHES MAXIMUM IN
COUNTERSINK DIAMETER0.8700 INCHES MINIMUM AND 0.8900 INCHES MAXIMUM IN
SECOND END DIAMETER1.3900 INCHES MINIMUM AND 1.4100 INCHES MAXIMUM IN
DISTANCE FROM END TO FIRST STEP0.2000 INCHES MINIMUM AND 0.2200 INCHES MAXIMUM IN
DESIGN TYPESOLID
COUNTERBORE LENGTH0.2100 INCHES MINIMUM AND 0.2500 INCHES MAXIMUM IN
COUNTERBORE DIAMETER1.2850 INCHES MINIMUM AND 1.3000 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: Terminal item — no further procurement; issued until stock is exhaustedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 148524?
148524 is a SEAT,HELICAL COMPRESSION SPRING.
What is the NSN for 148524?
148524 is cataloged in the U.S. Government catalog under NSN 5340-00-459-9937. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.