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MC21704 — SPRING,HELICAL,COMPRESSION

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

MC21704: SPRING,HELICAL,COMPRESSION.

The SPRING,HELICAL,COMPRESSION is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING OVERALL, coil_quantity: 8.5, style_designator: CYLINDRICAL, spring_free_length: 1.605 INCHES NOMINAL IN, spring_solid_length: 0.901 INCHES NOMINAL IN, spring_deflection_rate: 95.500 POUNDS PER INCH NOMINAL LBS. This part is cataloged in the U.S.

Government catalog under NSN 5360-01-543-7657, 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
MC21704
NSN: 5360-01-543-7657
FSC: 5360 — Coil, Flat, Leaf, and Wire Springs
CAGE: 76050 — EATON AEROSPACE LLC DBA STERER ENGINEERING DIV M.C.AEROSPACE (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING OVERALL
coil_quantity8.5
style_designatorCYLINDRICAL
spring_free_length1.605 INCHES NOMINAL IN
spring_solid_length0.901 INCHES NOMINAL IN
spring_deflection_rate95.500 POUNDS PER INCH NOMINAL LBS
end_item_identificationNHA-VALVE,REGULATING: V-22 AIRCRAFT ITEM
spring_solid_outside_diameter0.755 INCHES MINIMUM AND 0.765 INCHES MAXIMUM IN
criticality_code_justificationAGAV
part_name_assigned_by_controlling_agencySPSRING,COMPRESSION
NSN5360-01-543-7657
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SPRING,HELICAL,COMPRESSION TITLE COMPONENT PN MC21704 MFR SPRING,HELICAL,COMPRES
KEY FEATURES
•
SPRING SOLID LENGTH: 0.901 INCHES NOMINAL IN
•
CRITICALITY CODE JUSTIFICATION: AGAV
•
STYLE DESIGNATOR: CYLINDRICAL
•
SPRING FREE LENGTH: 1.605 INCHES NOMINAL IN
•
SPRING DEFLECTION RATE: 95.500 POUNDS PER INCH NOMINAL LBS
•
SPRING SOLID OUTSIDE DIAMETER: 0.755 INCHES MINIMUM AND 0.765 INCHES MAXIMUM IN
•
COIL QUANTITY: 8.5
TECHNICAL CHARACTERISTICS
SPRING SOLID LENGTH0.901 INCHES NOMINAL IN
CRITICALITY CODE JUSTIFICATIONAGAV
STYLE DESIGNATORCYLINDRICAL
SPRING FREE LENGTH1.605 INCHES NOMINAL IN
SPRING DEFLECTION RATE95.500 POUNDS PER INCH NOMINAL LBS
SPRING SOLID OUTSIDE DIAMETER0.755 INCHES MINIMUM AND 0.765 INCHES MAXIMUM IN
COIL QUANTITY8.5
PART NAME ASSIGNED BY CONTROLLING AGENCYSPSRING,COMPRESSION
END ITEM IDENTIFICATIONNHA-VALVE,REGULATING: V-22 AIRCRAFT ITEM
MATERIALSTEEL CORROSION RESISTING OVERALL
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

No substitute or cross-reference records for this part.

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 MC21704?
MC21704 is a SPRING,HELICAL,COMPRESSION.
What is the NSN for MC21704?
MC21704 is cataloged in the U.S. Government catalog under NSN 5360-01-543-7657. 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.