PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

678334Seal Assembly,shaft,spring Loade

A W Chesterton Co Div Sealing Device Division · NSN 4320-01-333-5748 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-01-333-5748 — this item is cataloged by the U.S. Government under National Stock Number 4320-01-333-5748. Primary manufacturer part number: 678334.
Features
  • Seal Assembly,shaft,spring Loade — FSC 4320
  • General Characteristics Item Description: SEAL ASSEMBLY SHAFT TYPE 442 SPLIT SEAL ASSEMBLY; MATERIALS: GLAND 316 S.S. ROTARY HOLDER 316 S.S. O-RING VITON (FKM); ROTARY FACE CERAMIC; STATIONARY FACE CARBON; MAXIMUM DIAMMETER 5.500 INCHES; PRESSURE RATING 300 PSIG; SPEED UP TO 3600 RPM IN
  • 2 verified cross-references
  • Primary manufacturer: A W Chesterton Co Div Sealing Device Division
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 4320-01-333-5748, is classified within Federal Supply Class 4320 (No Item Name Available) of the Pumps and Compressors group. The primary manufacturer of record is A W Chesterton Co Div Sealing Device Division. Government technical data includes 1 verified specification, 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. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4320-01-333-5748
Primary Part Number678334
Item NameSeal Assembly,shaft,spring Loade
FSC / FSG4320 / 43 — No Item Name Available
ManufacturerA W Chesterton Co Div Sealing Device Division
StatusACTIVE
General Characteristics Item DescriptionSEAL ASSEMBLY SHAFT TYPE 442 SPLIT SEAL ASSEMBLY; MATERIALS: GLAND 316 S.S. ROTARY HOLDER 316 S.S. O-RING VITON (FKM); ROTARY FACE CERAMIC; STATIONARY FACE CARBON; MAXIMUM DIAMMETER 5.500 INCHES; PRESSURE RATING 300 PSIG; SPEED UP TO 3600 RPM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
2940-01-149-6761117797 INTERCHANGEABLE
Filter Element,intake Air Cleane
Cummins Filtration Inc.
5325-01-287-0362 INTERCHANGEABLE
Grommet,nonmetallic
5120-01-570-157042618 INTERCHANGEABLE
Socket,socket Wrench
S K Hand Tool Corp
Cross-Reference Index
Part NumberManufacturer
42618 A W Chesterton Co Div Sealing Device Division (USA)
678334 PRIMARY A W Chesterton Co Div Sealing Device Division (USA)
Related Parts
2940-01-149-6761INTERCHANGEABLE
FILTER ELEMENT,INTAKE AIR CLEANE
117797
5325-01-287-0362INTERCHANGEABLE
GROMMET,NONMETALLIC
5120-01-570-1570INTERCHANGEABLE
SOCKET,SOCKET WRENCH
42618

Frequently Asked Questions

What is NSN 4320-01-333-5748?

NSN 4320-01-333-5748 is a Seal Assembly,shaft,spring Loade, manufactured by A W Chesterton Co Div Sealing Device Division, classified under FSC 4320 (No Item Name Available). Status: active.

What are the part numbers for NSN 4320-01-333-5748?

NSN 4320-01-333-5748 has 2 cross-referenced part numbers: 42618 (A W Chesterton Co Div Sealing Device Division), 678334 (A W Chesterton Co Div Sealing Device Division).

What NSN replaces 4320-01-333-5748?

There are 3 known substitutes for 4320-01-333-5748: 2940-01-149-6761, 5325-01-287-0362, 5120-01-570-1570. Verify interchangeability with system specifications before substitution.

What are the specifications of 678334?

Key specifications for 678334: End Item Identification: 4320-01-154-5448 PUMP CENTRIFUGAL P/N 5972-3IN USED ONBOARD 378 FT WHEC COAST GUARD VESSELS IN; General Characteristics Item Description: SEAL ASSEMBLY SHAFT TYPE 442 SPLIT SEAL ASSEMBLY; MATERIALS: GLAND 316 S.S. ROTARY HOLDER 316 S.S. O-RING VITON (FKM); ROTARY FACE CERAMIC; STATIONARY FACE CARBON; MAXIMUM DIAMMETER 5.500 INCHES; PRESSURE RATING 300 PSIG; SPEED UP TO 3600 RPM IN. 2 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com