PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

BM145Seal Assembly,shaft,spring Loade

Circor Naval Solutions Llc Dba Warren Pumps · NSN 4320-01-276-5795 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-01-276-5795 — this item is cataloged by the U.S. Government under National Stock Number 4320-01-276-5795. Primary manufacturer part number: BM145.
Features
  • Seal Assembly,shaft,spring Loade — FSC 4320
  • 7 verified cross-references
  • Primary manufacturer: Circor Naval Solutions Llc Dba Warren Pumps
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Mechanical energy storage
  • Vibration dampening
General Description

The Seal Assembly,shaft,spring Loade, cataloged under National Stock Number 4320-01-276-5795, is classified within Federal Supply Class 4320 (No Item Name Available) of the Pumps and Compressors group. The primary manufacturer of record is Circor Naval Solutions Llc Dba Warren Pumps. This item has 7 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameSeal Assembly,shaft,spring Loade
FSC / FSG4320 — No Item Name Available (FSG 43)
ManufacturersJohn Crane, Inc (CAGE 71724); Wartsila Lips Inc (CAGE 0SYN4); Circor Naval Solutions Llc Dba Warren Pumps (CAGE 63857); Defense Maritime Solutions, Inc. (CAGE 0EYA6)
Technical Specifications
ParameterValue
NSN4320-01-276-5795
Primary Part NumberBM145
Item NameSeal Assembly,shaft,spring Loade
FSC / FSG4320 / 43 — No Item Name Available
ManufacturerCircor Naval Solutions Llc Dba Warren Pumps
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
3110-00-108-826819090 INTERCHANGEABLE
Bearing,roller,journal
Berliss Bearing Co
2815-00-628-0635BM49792 INTERCHANGEABLE
Push Rod,engine Poppet Valve
Cummins Inc.
7450-01-068-8677 INTERCHANGEABLE
Recorder-Reproducer,sound
Cross-Reference Index
Part NumberManufacturer
CF-SP-78559-1TY1SZ2.50IN John Crane, Inc (USA)
N-SP-00283 XF911O150 Wartsila Lips Inc (USA)
BM145 PRIMARY Circor Naval Solutions Llc Dba Warren Pumps (USA)
M39055 John Crane, Inc (USA)
N-SP-00283 XF911O150 PRIMARY Defense Maritime Solutions, Inc. (USA)
PL-999F0739 PIECE 40 Circor Naval Solutions Llc Dba Warren Pumps (USA)
N-SP-00283 XF911O150 John Crane, Inc (USA)
Related Parts
3110-00-108-8268INTERCHANGEABLE
BEARING,ROLLER,JOURNAL
19090
2815-00-628-0635INTERCHANGEABLE
PUSH ROD,ENGINE POPPET VALVE
BM49792
7450-01-068-8677INTERCHANGEABLE
RECORDER-REPRODUCER,SOUND

Frequently Asked Questions

What is NSN 4320-01-276-5795?

NSN 4320-01-276-5795 is a Seal Assembly,shaft,spring Loade, manufactured by Circor Naval Solutions Llc Dba Warren Pumps, classified under FSC 4320 (No Item Name Available). Status: active.

What are the part numbers for NSN 4320-01-276-5795?

NSN 4320-01-276-5795 has 7 cross-referenced part numbers: CF-SP-78559-1TY1SZ2.50IN (John Crane, Inc), N-SP-00283 XF911O150 (Wartsila Lips Inc), BM145 (Circor Naval Solutions Llc Dba Warren Pumps), M39055 (John Crane, Inc), N-SP-00283 XF911O150 (Defense Maritime Solutions, Inc.) and 2 more.

What NSN replaces 4320-01-276-5795?

There are 3 known substitutes for 4320-01-276-5795: 3110-00-108-8268, 2815-00-628-0635, 7450-01-068-8677. Verify interchangeability with system specifications before substitution.

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