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PartsTable / COMPONENT / 156 ITEM 57
156 ITEM 57 ✓ 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 PIN,PISTON is a the manufacturer industrial component. Key specifications include width: 1.570 INCHES MINIMUM AND 1.610 INCHES MAXIMUM IN, length: 3.380 INCHES MINIMUM AND 3.420 INCHES MAXIMUM IN, material: ALUMINUM ALLOY 2024, thickness: 0.003 INCHES NOMINAL IN, body_width: 1.250 INCHES NOMINAL IN, body_height: 1.200 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4310-00-446-4419, 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
156 ITEM 57
NSN: 4310-00-446-4419
FSC: 4310
CAGE: K7018 — WELLMAN GROUP (GBR)
SPECIFICATIONS
width1.570 INCHES MINIMUM AND 1.610 INCHES MAXIMUM IN
length3.380 INCHES MINIMUM AND 3.420 INCHES MAXIMUM IN
materialALUMINUM ALLOY 2024
thickness0.003 INCHES NOMINAL IN
body_width1.250 INCHES NOMINAL IN
body_height1.200 INCHES NOMINAL IN
body_length1.400 INCHES NOMINAL IN
inclosure_typeFULLY INCLOSED
overall_height1.200 INCHES NOMINAL IN
mounting_methodFLANGE AND UNTHREADED HOLE(S) SINGLE GROUP
frequency_rating400.0 HERTZ NOMINAL SINGLE COMPONENT
special_featuresREVERSE DRIVE
NSN4310-00-446-4419
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available PIN,PISTON TITLE COMPONENT PN 156 ITEM 57 MFR PIN,PISTON
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
70391Interchangeable
interchangeable cross-reference
interchangeable
905137-1Interchangeable
interchangeable cross-reference
interchangeable
15657Interchangeable
interchangeable cross-reference
interchangeable
51213AND14069AND6909Interchangeable
interchangeable cross-reference
interchangeable
51213AND14069ANDH18CHC010038Interchangeable
interchangeable cross-reference
interchangeable
15657-00Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 156 ITEM 57?
156 ITEM 57 is a PIN,PISTON.
What parts can replace 156 ITEM 57?
There are 11 known substitutes for 156 ITEM 57: 70391, 905137-1, 15657 and 8 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 156 ITEM 57?
156 ITEM 57 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4310-00-446-4419. 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