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Technical Data Sheet
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55871 — Technical Data Sheet

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— · MRO · MRO_GENERAL
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 BAR,SELECTOR,TELETYPEWRITER is a the manufacturer industrial component. Key specifications include FSC APPLICATION DATA: TELETYPE AND FACSIMILE EQUIPMENT. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5360-00-134-3168, 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
MRO→ MRO_GENERAL→ 55871
NSN: 5360-00-134-3168
FSC: 5360
CAGE: 93835 — PARKER HANNIFIN CORPORATION DIV HYDRAULIC SYSTEMS DIVISION (USA)
SPECIFICATIONS
FSC APPLICATION DATATELETYPE AND FACSIMILE EQUIPMENT
NSN5360-00-134-3168
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available BAR,SELECTOR,TELETYPEWRITER TITLE COMPONENT PN 55871 MFR BAR,SELECTOR,TELETYPEW
KEY FEATURES
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-W-412,COMP 2 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
SPRING DEFLECTION RATE: 44.000 POUNDS PER INCH NOMINAL LBS
•
COIL HELIX DIRECTION: RIGHT-HAND OR LEFT-HAND
•
SPRING SOLID LENGTH: 0.600 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: CYLINDRICAL
•
COIL QUANTITY: 12
•
SPRING SOLID OUTSIDE DIAMETER: 0.375 INCHES NOMINAL IN
•
BORE DIAMETER: 0.375 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-W-412,COMP 2 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
SPRING DEFLECTION RATE44.000 POUNDS PER INCH NOMINAL LBS
COIL HELIX DIRECTIONRIGHT-HAND OR LEFT-HAND
SPRING SOLID LENGTH0.600 INCHES MAXIMUM IN
STYLE DESIGNATORCYLINDRICAL
COIL QUANTITY12
SPRING SOLID OUTSIDE DIAMETER0.375 INCHES NOMINAL IN
BORE DIAMETER0.375 INCHES NOMINAL IN
MATERIALSTEEL UNS K15590 OVERALL
SPRING FREE OUTSIDE DIAMETER0.331 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
SM-B-187219Interchangeable
interchangeable cross-reference
interchangeable
11536Interchangeable
interchangeable cross-reference
interchangeable
524LXInterchangeable
interchangeable cross-reference
interchangeable
753327-2Interchangeable
interchangeable cross-reference
interchangeable
903-0125-051Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 55871?
55871 is a BAR,SELECTOR,TELETYPEWRITER. It is classified as a MRO (MRO_GENERAL).
What parts can replace 55871?
There are 5 known substitutes for 55871: SM-B-187219, 11536, 524LX and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 55871?
55871 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5360-00-134-3168. 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: September 2026