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PP311 ✓ Verified by PartsTable
— · COMPONENT
WHAT YOU NEED TO KNOW
Verify manufacturer and server generation compatibility Check if Option PN or Spare PN — same part, different channel
Confirm exact part number — similar PNs may be different parts
PRODUCT OVERVIEW

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, load_rating: 2.080 POUNDS MINIMUM AND 2.540 POUNDS MAXIMUM LBS, coil_quantity: 14, inside_diameter: 0.4375 INCHES NOMINAL IN, style_designator: CYLINDRICAL. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5360-00-065-3250, 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
PP311
NSN: 5360-00-065-3250
FSC: 5360
CAGE: D9182 — ZF INDUSTRIEANTRIEBE WITTEN GMBH (DEU)
SPECIFICATIONS
materialSTEEL OVERALL
end_styleSPRING END,SQUARED AND GROUND BOTH ENDS
load_rating2.080 POUNDS MINIMUM AND 2.540 POUNDS MAXIMUM LBS
coil_quantity14
inside_diameter0.4375 INCHES NOMINAL IN
style_designatorCYLINDRICAL
surface_treatmentPASSIVATE OVERALL
spring_free_length2.2500 INCHES NOMINAL IN
spring_solid_length1.197 INCHES NOMINAL IN
coil_helix_directionRIGHT-HAND
spring_deflection_rate9.250 POUNDS PER INCH NOMINAL LBS
spring_length_under_load2.000 INCHES NOMINAL IN
NSN5360-00-065-3250
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SPRING,HELICAL,COMPRESSION TITLE COMPONENT PN PP311 MFR SPRING,HELICAL,COMPRES
KEY FEATURES
•
COIL QUANTITY: 19
•
SPRING SOLID OUTSIDE DIAMETER: 0.553 INCHES MINIMUM AND 0.573 INCHES MAXIMUM IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-W-423,COND B FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
SURFACE TREATMENT: PASSIVATE OVERALL
•
SPRING FREE LENGTH: 2.220 INCHES MINIMUM AND 2.280 INCHES MAXIMUM IN
•
MATERIAL: STEEL COMP 302 OVERALL
•
SPRING LENGTH UNDER LOAD: 2.000 INCHES NOMINAL IN
•
SPRING SOLID LENGTH: 1.197 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
COIL QUANTITY19
SPRING SOLID OUTSIDE DIAMETER0.553 INCHES MINIMUM AND 0.573 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-W-423,COND B FED SPEC SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENTPASSIVATE OVERALL
SPRING FREE LENGTH2.220 INCHES MINIMUM AND 2.280 INCHES MAXIMUM IN
MATERIALSTEEL COMP 302 OVERALL
SPRING LENGTH UNDER LOAD2.000 INCHES NOMINAL IN
SPRING SOLID LENGTH1.197 INCHES NOMINAL IN
END STYLESPRING END,SQUARED AND GROUND BOTH ENDS
LOAD RATING2.080 POUNDS MINIMUM AND 2.540 POUNDS MAXIMUM LBS
VERIFIED SUBSTITUTES & CROSS-REFERENCES 13
989084-23Interchangeable
interchangeable cross-reference
interchangeable
16054Interchangeable
interchangeable cross-reference
interchangeable
16054ADXInterchangeable
interchangeable cross-reference
interchangeable
PP311Interchangeable
interchangeable cross-reference
interchangeable
154100Interchangeable
interchangeable cross-reference
interchangeable
6261Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is PP311?
PP311 is a SPRING,HELICAL,COMPRESSION.
What parts can replace PP311?
There are 13 known substitutes for PP311: 989084-23, 16054, 16054ADX and 10 more. Substitute compatibility should be verified for your specific system.
What is the NSN for PP311?
PP311 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5360-00-065-3250. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026