PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

74010Seal Assembly,shaft,spring Loade

Naval Sea Systems Command · NSN 4320-01-279-7340 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-01-279-7340 — this item is cataloged by the U.S. Government under National Stock Number 4320-01-279-7340. Primary manufacturer part number: 74010.
Features
  • Seal Assembly,shaft,spring Loade — FSC 4320
  • General Characteristics Item Description: SHAFT DIA FOR SEAL-22.750 IN; SEAL ASSY CONSISTS OF: INFLATABLE SEAL,EMERGENCY PACKING SUBASSEMBLY AND NON-RUBBER PRELOAD MECHANICAL FACE TYPE SEAL IN
  • 1 verified cross-reference
  • Primary manufacturer: Naval Sea Systems Command
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 4320-01-279-7340, is classified within Federal Supply Class 4320 (No Item Name Available) of the Pumps and Compressors group. The primary manufacturer of record is Naval Sea Systems Command. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4320-01-279-7340
Primary Part Number74010
Item NameSeal Assembly,shaft,spring Loade
FSC / FSG4320 / 43 — No Item Name Available
ManufacturerNaval Sea Systems Command
StatusACTIVE
General Characteristics Item DescriptionSHAFT DIA FOR SEAL-22.750 IN; SEAL ASSY CONSISTS OF: INFLATABLE SEAL,EMERGENCY PACKING SUBASSEMBLY AND NON-RUBBER PRELOAD MECHANICAL FACE TYPE SEAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5815-00-127-207274010 INTERCHANGEABLE
Roller
Telemechanics Inc
8020-00-262-9084608-1 INTERCHANGEABLE
Brush,varnish
Jason Incorporated Dba Osborn International a Unit of Jason
9905-01-083-5061 INTERCHANGEABLE
Plate,instruction
6515-01-620-582374010 INTERCHANGEABLE
Support,thigh
Covidien Healthcare Div Medical
Cross-Reference Index
Part NumberManufacturer
74010 PRIMARY Naval Sea Systems Command (USA)
Related Parts
5815-00-127-2072INTERCHANGEABLE
ROLLER
74010
8020-00-262-9084INTERCHANGEABLE
BRUSH,VARNISH
608-1
9905-01-083-5061INTERCHANGEABLE
PLATE,INSTRUCTION
6515-01-620-5823INTERCHANGEABLE
SUPPORT,THIGH
74010

Frequently Asked Questions

What is NSN 4320-01-279-7340?

NSN 4320-01-279-7340 is a Seal Assembly,shaft,spring Loade, manufactured by Naval Sea Systems Command, classified under FSC 4320 (No Item Name Available). Status: active.

What are the part numbers for NSN 4320-01-279-7340?

NSN 4320-01-279-7340 has 1 cross-referenced part number: 74010 (Naval Sea Systems Command).

What NSN replaces 4320-01-279-7340?

There are 4 known substitutes for 4320-01-279-7340: 5815-00-127-2072, 8020-00-262-9084, 9905-01-083-5061 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 74010?

Key specifications for 74010: End Item Identification: STERN TUBE SEAL-MAIN PROPULSION SHAFTS; General Characteristics Item Description: SHAFT DIA FOR SEAL-22.750 IN; SEAL ASSY CONSISTS OF: INFLATABLE SEAL,EMERGENCY PACKING SUBASSEMBLY AND NON-RUBBER PRELOAD MECHANICAL FACE TYPE SEAL IN. 2 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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