PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

254-7015355PN13Housing,bearing Unit

Naval Sea Systems Command · NSN 3130-01-477-0578 · FSC 3130 · No Item Name Available
Verified by PartsTable
NSN 3130-01-477-0578 — this item is cataloged by the U.S. Government under National Stock Number 3130-01-477-0578. Primary manufacturer part number: 254-7015355PN13.
Features
  • Housing,bearing Unit — FSC 3130
  • Material Document and Classification: ASTM-A36 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
  • Material: STEEL OVERALL
  • 2 verified cross-references
  • Primary manufacturer: Naval Sea Systems Command
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Steel Overall construction
General Description

The Housing,bearing Unit, cataloged under National Stock Number 3130-01-477-0578, is classified within Federal Supply Class 3130 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Naval Sea Systems Command. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3130-01-477-0578
Primary Part Number254-7015355PN13
Item NameHousing,bearing Unit
FSC / FSG3130 / 31 — No Item Name Available
ManufacturerNaval Sea Systems Command
StatusACTIVE
Material Document and ClassificationASTM-A36 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MaterialSTEEL OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5315-01-476-614436-01-7808 INTERCHANGEABLE
Pin,straight,headless
Electric Boat Corporation Div General Dynamics Electric Boat
3130-01-477-0580H7493901-49 INTERCHANGEABLE
Housing,bearing Unit
Electric Boat Corporation Div General Dynamics Electric Boat
3110-01-477-0589254-7015355PN48 INTERCHANGEABLE
Plate,retaining,bearing
Naval Sea Systems Command
5342-01-477-76137015355PN47 INTERCHANGEABLE
Bellows,protection
Naval Sea Systems Command
3110-01-489-1050M-12121 INTERCHANGEABLE
Bearing,roller,needle
Timken Aerospace, Inc Dba Torrington Product
Cross-Reference Index
Part NumberManufacturer
254-7015355PN13 PRIMARY Naval Sea Systems Command (USA)
254-7015355 Naval Sea Systems Command (USA)
Related Parts
5315-01-476-6144INTERCHANGEABLE
PIN,STRAIGHT,HEADLESS
36-01-7808
3130-01-477-0580INTERCHANGEABLE
HOUSING,BEARING UNIT
H7493901-49
3110-01-477-0589INTERCHANGEABLE
PLATE,RETAINING,BEARING
254-7015355PN48
5342-01-477-7613INTERCHANGEABLE
BELLOWS,PROTECTION
7015355PN47
3110-01-489-1050INTERCHANGEABLE
BEARING,ROLLER,NEEDLE
M-12121

Frequently Asked Questions

What is NSN 3130-01-477-0578?

NSN 3130-01-477-0578 is a Housing,bearing Unit, manufactured by Naval Sea Systems Command, classified under FSC 3130 (No Item Name Available). Status: active.

What are the part numbers for NSN 3130-01-477-0578?

NSN 3130-01-477-0578 has 2 cross-referenced part numbers: 254-7015355PN13 (Naval Sea Systems Command), 254-7015355 (Naval Sea Systems Command).

What NSN replaces 3130-01-477-0578?

There are 5 known substitutes for 3130-01-477-0578: 5315-01-476-6144, 3130-01-477-0580, 3110-01-477-0589 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 254-7015355PN13?

Key specifications for 254-7015355PN13: End Item Identification: NSSN CLASS SUBMARINE, MAIN CONDENSER OVERPRESSURE TRIP MECHANISM; Material Document and Classification: ASTM-A36 ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Material: STEEL OVERALL. 3 total characteristics are documented in the Federal Logistics Information System.

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