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74505800 — SEAT,HELICAL COMPRESSION SPRING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

74505800: SEAT,HELICAL COMPRESSION SPRING.

SEAT,HELICAL COMPRESSION SPRING. Key specifications include material: STEEL, design_type: SOLID, end_diameter: 0.5312 INCHES NOMINAL IN, bore_diameter: 0.3750 INCHES NOMINAL IN, overall_height: 0.5312 INCHES NOMINAL IN, special_features: (V) RIDGE HEIGHT 0.4062. This part is cataloged in the U.S.

Government catalog under NSN 5340-00-302-4630, 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
74505800
NSN: 5340-00-302-4630
FSC: 5340 — Hardware, Commercial
CAGE: 6N299 — AGCO CORP PARTS OPN (USA)
SPECIFICATIONS
materialSTEEL
design_typeSOLID
end_diameter0.5312 INCHES NOMINAL IN
bore_diameter0.3750 INCHES NOMINAL IN
overall_height0.5312 INCHES NOMINAL IN
special_features(V) RIDGE HEIGHT 0.4062
style_designatorSEAT
counterbore_length0.0312 INCHES NOMINAL IN
first_step_diameter1.3437 INCHES NOMINAL IN
chamfer_angle_in_deg10.0
counterbore_diameter1.0000 INCHES NOMINAL IN
countersink_diameter0.5000 INCHES NOMINAL IN
NSN5340-00-302-4630
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 74505800 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: 1.3437 INCHES NOMINAL IN
•
END DIAMETER: 0.5312 INCHES NOMINAL IN
•
COUNTERSINK DIAMETER: 0.5000 INCHES NOMINAL IN
•
DISTANCE FROM END TO FIRST STEP: 0.1562 INCHES NOMINAL IN
•
DESIGN TYPE: SOLID
•
STYLE DESIGNATOR: SEAT
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.5312 INCHES NOMINAL IN
COUNTERSINK ANGLE IN DEG45.0
FIRST STEP DIAMETER1.3437 INCHES NOMINAL IN
END DIAMETER0.5312 INCHES NOMINAL IN
COUNTERSINK DIAMETER0.5000 INCHES NOMINAL IN
DISTANCE FROM END TO FIRST STEP0.1562 INCHES NOMINAL IN
DESIGN TYPESOLID
STYLE DESIGNATORSEAT
COUNTERBORE LENGTH0.0312 INCHES NOMINAL IN
COUNTERBORE DIAMETER1.0000 INCHES NOMINAL IN
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 74505800?
74505800 is a SEAT,HELICAL COMPRESSION SPRING.
What is the NSN for 74505800?
74505800 is cataloged in the U.S. Government catalog under NSN 5340-00-302-4630. 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.