PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

6398Seal,plain

Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier · NSN 5330-01-654-7674 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-01-654-7674 — this item is cataloged by the U.S. Government under National Stock Number 5330-01-654-7674. Primary manufacturer part number: 6398.
Features
  • Seal,plain — FSC 5330
  • Accommodated Shaft Diameter: 2.500 INCHES NOMINAL IN
  • Outside Diameter: 3.882 INCHES NOMINAL IN
  • 1 verified cross-reference
  • Primary manufacturer: Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
General Description

The Seal,plain, cataloged under National Stock Number 5330-01-654-7674, is classified within Federal Supply Class 5330 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier. Government technical data includes 2 verified specifications, 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. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5330-01-654-7674
Primary Part Number6398
Item NameSeal,plain
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerNaval Air Systems Command Managed Original Design Activity Not Material/parts Supplier
StatusACTIVE
Accommodated Shaft Diameter2.500 INCHES NOMINAL IN
Outside Diameter3.882 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
3110-00-141-999410018960-003 INTERCHANGEABLE
Bearing,ball,annular
Us Army Aviation and Missile Command
5310-00-281-5398109532 INTERCHANGEABLE
Nut,plain,hexagon
Am General Llc
5330-00-347-4856 INTERCHANGEABLE
Packing,preformed
4310-00-354-650763-98 INTERCHANGEABLE
Cylinder Sleeve
Dresser Industries Inc Leroi Div
8345-00-753-6559 INTERCHANGEABLE
Flag,national
8345-00-753-6563 INTERCHANGEABLE
Flag,national
6685-01-022-76786398 INTERCHANGEABLE
Control,humidity
Crestwood Technology Group, Llc
5915-01-275-783620938 INTERCHANGEABLE
Filter,band Pass
Alpha Components Inc
5330-01-592-84476398 INTERCHANGEABLE
Grease Seal,aircraf
Pdi Ground Support Systems, Inc.
Cross-Reference Index
Part NumberManufacturer
6398 PRIMARY Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA)
Related Parts
3110-00-141-9994INTERCHANGEABLE
BEARING,BALL,ANNULAR
10018960-003
5310-00-281-5398INTERCHANGEABLE
NUT,PLAIN,HEXAGON
109532
5330-00-347-4856INTERCHANGEABLE
PACKING,PREFORMED
4310-00-354-6507INTERCHANGEABLE
CYLINDER SLEEVE
63-98
8345-00-753-6559INTERCHANGEABLE
FLAG,NATIONAL
8345-00-753-6563INTERCHANGEABLE
FLAG,NATIONAL
6685-01-022-7678INTERCHANGEABLE
CONTROL,HUMIDITY
6398
5915-01-275-7836INTERCHANGEABLE
FILTER,BAND PASS
20938
5330-01-592-8447INTERCHANGEABLE
GREASE SEAL,AIRCRAF
6398

Frequently Asked Questions

What is NSN 5330-01-654-7674?

NSN 5330-01-654-7674 is a Seal,plain, manufactured by Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier, classified under FSC 5330 (No Item Name Available). Status: active.

What are the part numbers for NSN 5330-01-654-7674?

NSN 5330-01-654-7674 has 1 cross-referenced part number: 6398 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier).

What NSN replaces 5330-01-654-7674?

There are 9 known substitutes for 5330-01-654-7674: 3110-00-141-9994, 5310-00-281-5398, 5330-00-347-4856 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 6398?

Key specifications for 6398: Part Name Assigned by Controlling Agency: GREASE CAP; Special Features: SUGGESTED SOURCE OF SUPPLY, NO CAGE, P/N 25374SA, DICHTOMATIK, 22047 NETWORK PLACE, CHICAGO, IL; Accommodated Shaft Diameter: 2.500 INCHES NOMINAL IN; Outside Diameter: 3.882 INCHES NOMINAL IN. 5 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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