PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

571240PC28Bearing,drum

Naval Ship Systems Command · NSN 3950-00-343-7707 · FSC 3950 · No Item Name Available
Verified by PartsTable
NSN 3950-00-343-7707 — this item is cataloged by the U.S. Government under National Stock Number 3950-00-343-7707. Primary manufacturer part number: 571240PC28.
Features
  • Bearing,drum — FSC 3950
  • 15 verified cross-references
  • Primary manufacturer: Naval Ship Systems Command
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
General Description

The Bearing,drum, cataloged under National Stock Number 3950-00-343-7707, is classified within Federal Supply Class 3950 (No Item Name Available) of the Materials Handling Equipment group. The primary manufacturer of record is Naval Ship Systems Command. This item has 15 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameBearing,drum
FSC / FSG3950 — No Item Name Available (FSG 39)
ManufacturersParmac, Llc Div Parmac Inc (CAGE 7U3G0); Parmac Inc (CAGE 26065); Naval Ship Systems Command (CAGE 80064)
Technical Specifications
ParameterValue
NSN3950-00-343-7707
Primary Part Number571240PC28
Item NameBearing,drum
FSC / FSG3950 / 39 — No Item Name Available
ManufacturerNaval Ship Systems Command
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
4720-00-089-9177100R14A-8 INTERCHANGEABLE
Hose,nonmetallic
Sae International Dba Sae International
5360-01-106-571491-98 INTERCHANGEABLE
Spring,large
Marshall Excelsior Co
4820-01-263-39679198 INTERCHANGEABLE
Plate,pressure Valve
Imi Cash Valve Inc
5950-01-343-632706365-35 INTERCHANGEABLE
Coil,radio Frequency
Bourns Inc
Cross-Reference Index
Part NumberManufacturer
9198 Parmac, Llc Div Parmac Inc (USA)
91601PC28 Parmac Inc (USA)
911111PC12 Parmac Inc (USA)
9198 Parmac Inc (USA)
911100PC12 Parmac, Llc Div Parmac Inc (USA)
91601PC28 Parmac, Llc Div Parmac Inc (USA)
911100PC12 Parmac Inc (USA)
571240PC28 PRIMARY Naval Ship Systems Command (USA)
571241PC28 PRIMARY Naval Ship Systems Command (USA)
911111PC12 Parmac, Llc Div Parmac Inc (USA)
91600PC28 Parmac Inc (USA)
526023PC12 PRIMARY Naval Ship Systems Command (USA)
AD22S2000-271082PC12 PRIMARY Naval Ship Systems Command (USA)
AD22S2000-271082AD22S2000-271082 PRIMARY Naval Ship Systems Command (USA)
91600PC28 Parmac, Llc Div Parmac Inc (USA)
Related Parts
4720-00-089-9177INTERCHANGEABLE
HOSE,NONMETALLIC
100R14A-8
5360-01-106-5714INTERCHANGEABLE
SPRING,LARGE
91-98
4820-01-263-3967INTERCHANGEABLE
PLATE,PRESSURE VALVE
9198
5950-01-343-6327INTERCHANGEABLE
COIL,RADIO FREQUENCY
06365-35

Frequently Asked Questions

What is NSN 3950-00-343-7707?

NSN 3950-00-343-7707 is a Bearing,drum, manufactured by Naval Ship Systems Command, classified under FSC 3950 (No Item Name Available). Status: active.

What are the part numbers for NSN 3950-00-343-7707?

NSN 3950-00-343-7707 has 15 cross-referenced part numbers: 9198 (Parmac, Llc Div Parmac Inc), 91601PC28 (Parmac Inc), 911111PC12 (Parmac Inc), 9198 (Parmac Inc), 911100PC12 (Parmac, Llc Div Parmac Inc) and 10 more.

What NSN replaces 3950-00-343-7707?

There are 4 known substitutes for 3950-00-343-7707: 4720-00-089-9177, 5360-01-106-5714, 4820-01-263-3967 and 1 more. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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