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03730056 — SEAT,HELICAL COMPRESSION SPRING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

03730056: SEAT,HELICAL COMPRESSION SPRING.

SEAT,HELICAL COMPRESSION SPRING. Key specifications include material: STEEL, design_type: SOLID, bore_diameter: 1.5600 INCHES NOMINAL IN, overall_height: 0.7100 INCHES NOMINAL IN, style_designator: SEAT, counterbore_diameter: 2.3600 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-180-7028, 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
03730056
NSN: 5340-01-180-7028
FSC: 5340 — Hardware, Commercial
CAGE: 7PZX0 — FAIRBANKS MORSE, LLC (USA)
SPECIFICATIONS
materialSTEEL
design_typeSOLID
bore_diameter1.5600 INCHES NOMINAL IN
overall_height0.7100 INCHES NOMINAL IN
style_designatorSEAT
counterbore_diameter2.3600 INCHES NOMINAL IN
distance_from_end_to_first_step0.1910 INCHES NOMINAL IN
NSN5340-01-180-7028
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 03730056 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
•
DISTANCE FROM END TO FIRST STEP: 0.1910 INCHES NOMINAL IN
•
DESIGN TYPE: SOLID
•
STYLE DESIGNATOR: SEAT
•
COUNTERBORE DIAMETER: 2.3600 INCHES NOMINAL IN
•
BORE DIAMETER: 1.5600 INCHES NOMINAL IN
•
MATERIAL: STEEL
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.7100 INCHES NOMINAL IN
DISTANCE FROM END TO FIRST STEP0.1910 INCHES NOMINAL IN
DESIGN TYPESOLID
STYLE DESIGNATORSEAT
COUNTERBORE DIAMETER2.3600 INCHES NOMINAL IN
BORE DIAMETER1.5600 INCHES NOMINAL IN
MATERIALSTEEL
SUBSTITUTES & CROSS-REFERENCES 1
4016.09Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Terminal item — stock exhausted; no further procurementNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 03730056?
03730056 is a SEAT,HELICAL COMPRESSION SPRING.
What parts can replace 03730056?
There is 1 known substitute for 03730056: 4016.09. Substitute compatibility should be verified for your specific system.
What is the NSN for 03730056?
03730056 is cataloged in the U.S. Government catalog under NSN 5340-01-180-7028. This indicates validated use in U.S. government and defense supply chains.
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