PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

53605Seal Assembly,shaft,spring Loade

Crane Pumps & Systems Pft Corp Div Crane Pumps & System Pft Corp. · NSN 4320-01-287-4739 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-01-287-4739 — this item is cataloged by the U.S. Government under National Stock Number 4320-01-287-4739. Primary manufacturer part number: 53605.
Features
  • Seal Assembly,shaft,spring Loade — FSC 4320
  • General Characteristics Item Description: CERAMIC,BRASS BODY; BUNA N RUBBER SEAL; FITS 1.750 IN. DIA SHAFT; 1.875 IN. LG; 2.498 IN. BORE IN
  • 1 verified cross-reference
  • Primary manufacturer: Crane Pumps & Systems Pft Corp Div Crane Pumps & System Pft Corp.
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 4320-01-287-4739, is classified within Federal Supply Class 4320 (No Item Name Available) of the Pumps and Compressors group. The primary manufacturer of record is Crane Pumps & Systems Pft Corp Div Crane Pumps & System Pft Corp.. 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. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4320-01-287-4739
Primary Part Number53605
Item NameSeal Assembly,shaft,spring Loade
FSC / FSG4320 / 43 — No Item Name Available
ManufacturerCrane Pumps & Systems Pft Corp Div Crane Pumps & System Pft Corp.
StatusACTIVE
General Characteristics Item DescriptionCERAMIC,BRASS BODY; BUNA N RUBBER SEAL; FITS 1.750 IN. DIA SHAFT; 1.875 IN. LG; 2.498 IN. BORE IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
1620-00-020-26555360-5 INTERCHANGEABLE
Piston,floating
Goodrich Aerospace Canada Ltd
3455-00-517-599254-10127 INTERCHANGEABLE
Cutter,milling,involute Gear
Union Butterfield Corp P O Box 9000 Crystal Lake Il 60039
5945-00-642-294412973 INTERCHANGEABLE
Relay,electromagnetic
Bae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems
5340-01-364-031453-605 INTERCHANGEABLE
Catch,magnetic
Adams Evidence Grade Technology, Inc.
7025-01-493-858853605 INTERCHANGEABLE
Keyboard,data Entry
Naval Air Warfare Ctr Aircraft Div
Cross-Reference Index
Part NumberManufacturer
53605 PRIMARY Crane Pumps & Systems Pft Corp Div Crane Pumps & System Pft Corp. (USA)
Related Parts
1620-00-020-2655INTERCHANGEABLE
PISTON,FLOATING
5360-5
3455-00-517-5992INTERCHANGEABLE
CUTTER,MILLING,INVOLUTE GEAR
54-10127
5945-00-642-2944INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
12973
5340-01-364-0314INTERCHANGEABLE
CATCH,MAGNETIC
53-605
7025-01-493-8588INTERCHANGEABLE
KEYBOARD,DATA ENTRY
53605

Frequently Asked Questions

What is NSN 4320-01-287-4739?

NSN 4320-01-287-4739 is a Seal Assembly,shaft,spring Loade, manufactured by Crane Pumps & Systems Pft Corp Div Crane Pumps & System Pft Corp., classified under FSC 4320 (No Item Name Available). Status: active.

What are the part numbers for NSN 4320-01-287-4739?

NSN 4320-01-287-4739 has 1 cross-referenced part number: 53605 (Crane Pumps & Systems Pft Corp Div Crane Pumps & System Pft Corp.).

What NSN replaces 4320-01-287-4739?

There are 5 known substitutes for 4320-01-287-4739: 1620-00-020-2655, 3455-00-517-5992, 5945-00-642-2944 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 53605?

Key specifications for 53605: General Characteristics Item Description: CERAMIC,BRASS BODY; BUNA N RUBBER SEAL; FITS 1.750 IN. DIA SHAFT; 1.875 IN. LG; 2.498 IN. BORE IN. 1 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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