PartsTable
Technical Data Sheet
51803 ✓ Verified by PartsTable
· PSU
WHAT YOU NEED TO KNOW
Always quote matching pair — mixed wattage causes throttling Platinum/Titanium = higher efficiency = lower power cost over time
AC or DC input? Verify customer site power
PRODUCT OVERVIEW

The INTERRUPTER,RINGING,TELEPHONE is a the manufacturer industrial component. Key specifications include diameter: 0.105 INCHES NOMINAL STOCK IN, material: PAPER FILTERING MEDIUM, design_type: NONREUSABLE, body_diameter: 3.188 INCHES NOMINAL IN, overall_width: 5.000 INCHES NOMINAL IN, flow_direction: OUTSIDE 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 6130-00-349-8902, 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
51803
NSN: 6130-00-349-8902
FSC: 6130
CAGE: 98675 — ESPEY MFG. & ELECTRONICS CORP. (USA)
SPECIFICATIONS
diameter0.105 INCHES NOMINAL STOCK IN
materialPAPER FILTERING MEDIUM
design_typeNONREUSABLE
body_diameter3.188 INCHES NOMINAL IN
overall_width5.000 INCHES NOMINAL IN
flow_directionOUTSIDE IN
overall_height2.187 INCHES NOMINAL IN
overall_length4.312 INCHES NOMINAL IN
inside_diameter1.652 INCHES MINIMUM AND 1.654 INCHES MAXIMUM IN
mounting_methodPRESS FIT
outside_diameter2.000 INCHES NOMINAL IN
special_featuresCARRIER-TRANSICOLD MODEL C-T30-00303,NDB-40 EAGLE,NDE-40 GOLDEN EAGLE,NDS-40 FALCON,UDE ROADRUNNER,WITH PERKINS 4/108 DIESEL ENGINES
NSN6130-00-349-8902
COMPONENT DIAGRAM
PULL TAB AIRFLOW —W PLATINUM 100-240V~ 50/60Hz OEM BACKPLANE CONN ~200 mm HOT-PLUG POWER SUPPLY | —W | Platinum AC input 100-240V | Redundant pair required | Match wattage in same chassis TITLE PSU —W PN 51803 MFR OEM Platinum
KEY FEATURES
ELECTRICAL POWER SOURCE RELATIONSHIP: OPERATING
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL HEIGHT2.187 INCHES NOMINAL IN
OVERALL LENGTH5.810 INCHES NOMINAL IN
OVERALL WIDTH5.000 INCHES NOMINAL IN
ELECTRICAL POWER SOURCE RELATIONSHIPOPERATING
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
51803Upgraded Successor
successor cross-reference
successor
887C051803Upgraded Successor
successor cross-reference
successor
5555Interchangeable
interchangeable cross-reference
interchangeable
5580424Interchangeable
interchangeable cross-reference
interchangeable
3392PInterchangeable
interchangeable cross-reference
interchangeable
11-9099Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 51803?
51803 is a INTERRUPTER,RINGING,TELEPHONE.
What parts can replace 51803?
There are 10 known substitutes for 51803: 51803, 887C051803, 5555 and 7 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 51803?
51803 is cataloged in the Federal Logistics Information System (FLIS) under NSN 6130-00-349-8902. This indicates validated use in U.S. government and defense supply chains.
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