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851-400 — SPRING,HELICAL,COMPRESSION

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

851-400: SPRING,HELICAL,COMPRESSION.

The SPRING,HELICAL,COMPRESSION is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, style_designator: CYLINDRICAL, spring_free_length: 5.000 INCHES NOMINAL IN, spring_solid_length: 1.875 INCHES NOMINAL IN, spring_free_outside_diameter: 2.062 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5360-00-499-2286, 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
851-400
NSN: 5360-00-499-2286
FSC: 5360 — Coil, Flat, Leaf, and Wire Springs
CAGE: 73475 — SCHNEIDER ELECTRIC SYSTEMS USA INC (USA)
SPECIFICATIONS
materialSTEEL OVERALL
style_designatorCYLINDRICAL
spring_free_length5.000 INCHES NOMINAL IN
spring_solid_length1.875 INCHES NOMINAL IN
spring_free_outside_diameter2.062 INCHES NOMINAL IN
surface_treatment_document_and_classificationQQ-P-416,TYPE 2,CLASS 2 FED SPEC 1ST TREATMENT RESPONSE OR QQ-Z-325,TYPE 2,CLASS 2 FED SPEC 2ND TREATMENT RESPONSE OVERALL
NSN5360-00-499-2286
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SPRING,HELICAL,COMPRESSION TITLE COMPONENT PN 851-400 MFR SPRING,HELICAL,COMPRES
KEY FEATURES
•
SPRING FREE OUTSIDE DIAMETER: 2.062 INCHES NOMINAL IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416,TYPE 2,CLASS 2 FED SPEC 1ST TREATMENT RESPONSE OR QQ-Z-325,TYPE 2,CLASS 2 FED SPEC 2ND TREATMENT RESPONSE OVERALL
•
SPRING SOLID LENGTH: 1.875 INCHES NOMINAL IN
•
STYLE DESIGNATOR: CYLINDRICAL
•
SPRING FREE LENGTH: 5.000 INCHES NOMINAL IN
•
MATERIAL: STEEL OVERALL
TECHNICAL CHARACTERISTICS
SPRING FREE OUTSIDE DIAMETER2.062 INCHES NOMINAL IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TYPE 2,CLASS 2 FED SPEC 1ST TREATMENT RESPONSE OR QQ-Z-325,TYPE 2,CLASS 2 FED SPEC 2ND TREATMENT RESPONSE OVERALL
SPRING SOLID LENGTH1.875 INCHES NOMINAL IN
STYLE DESIGNATORCYLINDRICAL
SPRING FREE LENGTH5.000 INCHES NOMINAL IN
MATERIALSTEEL OVERALL
SUBSTITUTES & CROSS-REFERENCES 9
3236807Reference document
Same NSN cross-reference
Reference document — Secondary reference
FSN42PC27Reference document
Same NSN cross-reference
Reference document — Secondary reference
FSC42PC27Reference document
Same NSN cross-reference
Reference document — Secondary reference
72-2051-101Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
72-20510-101Reference document
Same NSN cross-reference
Reference document — Secondary reference
17840Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 851-400?
851-400 is a SPRING,HELICAL,COMPRESSION.
What parts can replace 851-400?
There are 9 known substitutes for 851-400: 3236807, FSN42PC27, FSC42PC27 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 851-400?
851-400 is cataloged in the U.S. Government catalog under NSN 5360-00-499-2286. 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.