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7320428 — SPRING,HELICAL,COMPRESSION

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

7320428: SPRING,HELICAL,COMPRESSION.

The SPRING,HELICAL,COMPRESSION is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, end_style: SPRING END,SQUARED AND GROUND BOTH ENDS, bore_diameter: 2.172 INCHES NOMINAL IN, coil_quantity: 7-1/10, inside_diameter: 1.734 INCHES MINIMUM AND 1.750 INCHES MAXIMUM IN, style_designator: CYLINDRICAL. This part is cataloged in the U.S.

Government catalog under NSN 5360-00-678-3208, 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
7320428
NSN: 5360-00-678-3208
FSC: 5360 — Coil, Flat, Leaf, and Wire Springs
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
materialSTEEL OVERALL
end_styleSPRING END,SQUARED AND GROUND BOTH ENDS
bore_diameter2.172 INCHES NOMINAL IN
coil_quantity7-1/10
inside_diameter1.734 INCHES MINIMUM AND 1.750 INCHES MAXIMUM IN
style_designatorCYLINDRICAL
spring_free_length3.480 INCHES NOMINAL IN
spring_solid_length1.470 INCHES MAXIMUM IN
coil_helix_directionLEFT-HAND
material_hardness_rating43.0 ROCKWELL C MINIMUM AND 46.0 ROCKWELL C MAXIMUM
spring_free_outside_diameter2.146 INCHES MINIMUM AND 2.166 INCHES MAXIMUM IN
material_document_and_classificationQQ-W-474,COMP D-CANCELED FED SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN5360-00-678-3208
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SPRING,HELICAL,COMPRESSION TITLE COMPONENT PN 7320428 MFR SPRING,HELICAL,COMPRES
KEY FEATURES
•
SPRING FREE OUTSIDE DIAMETER: 2.146 INCHES MINIMUM AND 2.166 INCHES MAXIMUM IN
•
MATERIAL HARDNESS RATING: 43.0 ROCKWELL C MINIMUM AND 46.0 ROCKWELL C MAXIMUM
•
END STYLE: SPRING END,SQUARED AND GROUND BOTH ENDS
•
SPRING SOLID LENGTH: 1.470 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: CYLINDRICAL
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-W-474,COMP D-CANCELED FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
SPRING FREE LENGTH: 3.480 INCHES NOMINAL IN
•
INSIDE DIAMETER: 1.734 INCHES MINIMUM AND 1.750 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
SPRING FREE OUTSIDE DIAMETER2.146 INCHES MINIMUM AND 2.166 INCHES MAXIMUM IN
MATERIAL HARDNESS RATING43.0 ROCKWELL C MINIMUM AND 46.0 ROCKWELL C MAXIMUM
END STYLESPRING END,SQUARED AND GROUND BOTH ENDS
SPRING SOLID LENGTH1.470 INCHES MAXIMUM IN
STYLE DESIGNATORCYLINDRICAL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-W-474,COMP D-CANCELED FED SPEC SINGLE MATERIAL RESPONSE OVERALL
SPRING FREE LENGTH3.480 INCHES NOMINAL IN
INSIDE DIAMETER1.734 INCHES MINIMUM AND 1.750 INCHES MAXIMUM IN
COIL QUANTITY7-1/10
COIL HELIX DIRECTIONLEFT-HAND
OTHER ITEMS IN FSC 5360 — Coil, Flat, Leaf, and Wire Springs
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5360-00-001-1842 5360-00-001-1945 5360-00-001-2010 5360-00-001-3865 5360-00-001-3950 5360-00-001-4650 5360-00-001-4664 5360-00-001-4703
SUBSTITUTES & CROSS-REFERENCES 2
5360006783208Reference document
Same NSN cross-reference
Reference document — Secondary reference
2815006783208Reference document
Same NSN cross-reference
Reference document — Informative reference only
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 7320428?
7320428 is a SPRING,HELICAL,COMPRESSION.
What parts can replace 7320428?
There are 2 known substitutes for 7320428: 5360006783208, 2815006783208. Substitute compatibility should be verified for your specific system.
What is the NSN for 7320428?
7320428 is cataloged in the U.S. Government catalog under NSN 5360-00-678-3208. 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.