PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

JC-400-525-20Seal,plain Encased

John Crane, Inc · NSN 5330-01-054-4006 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-01-054-4006 — this item is cataloged by the U.S. Government under National Stock Number 5330-01-054-4006. Primary manufacturer part number: JC-400-525-20.
Features
  • Seal,plain Encased — FSC 5330
  • Sealing Element Style: VERTICAL
  • Outside Diameter: 5.256 INCHES NOMINAL IN
  • Case Style: SQUARE
  • Surface Treatment: PLASTIC CASE
  • Housing Bore Diameter: 5.251 INCHES NOMINAL IN
  • Material: RUBBER BUTADIENE NITRILE SEALING ELEMENT
  • Seal Width: 0.609 INCHES MINIMUM AND 0.641 INCHES MAXIMUM IN
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Applications requiring Rubber Butadiene Nitrile Sealing Element construction
General Description

The Seal,plain Encased, cataloged under National Stock Number 5330-01-054-4006, is classified within Federal Supply Class 5330 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is John Crane, Inc. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5330-01-054-4006
Primary Part NumberJC-400-525-20
Item NameSeal,plain Encased
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerJohn Crane, Inc
StatusACTIVE
Sealing Element StyleVERTICAL
Outside Diameter5.256 INCHES NOMINAL IN
Case StyleSQUARE
Surface TreatmentPLASTIC CASE
Housing Bore Diameter5.251 INCHES NOMINAL IN
MaterialRUBBER BUTADIENE NITRILE SEALING ELEMENT
Seal Width0.609 INCHES MINIMUM AND 0.641 INCHES MAXIMUM IN
Accommodated Shaft Diameter4.000 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
4730-00-068-65555600-8-10S INTERCHANGEABLE
Coupling Assembly,quick Disconne
Danfoss Power Solutions II, Llc
5330-01-011-8535 INTERCHANGEABLE
Seal Kit,valve
5998-01-064-0430DA63323 INTERCHANGEABLE
Circuit Card Assembly
O T S I
5895-01-365-51784004-4 INTERCHANGEABLE
Panel,patching,communication
Motorola/codex Corp Sub of Motorola Inc
6530-01-395-118440004 INTERCHANGEABLE
Dispenser,skin Cream,hospital Pa
Advanced Chemical Technology Inc
8465-01-541-829440004 INTERCHANGEABLE
Hydration System
Camelbak Products, Llc Dba Camelbak
4940-01-597-056540004 INTERCHANGEABLE
Purging System,dry Nitrogen
Uniweld Products, Inc. Dba Uniweld Products Inc
5310-01-653-77804-0234 INTERCHANGEABLE
Washer,flat
Namjet Llc
2540-01-663-489140004 INTERCHANGEABLE
Ball Assy,tow
Curt Manufacturing, Llc Div Curt
5120-01-669-154740004 INTERCHANGEABLE
Wrench,box and Open End,combinat
Wiha Quality Tools
Cross-Reference Index
Part NumberManufacturer
JC-400-525-20 PRIMARY John Crane, Inc (USA)
5330010544006 E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales
1X5570 Zf Industrieantriebe Witten Gmbh (DEU)
11668698 U S Army Tank Automotive Command Amsta-Im-Mm (USA)
40000 Skf Usa Inc. Dba Skf Aerospace Sealing Solutions (USA)
40004 Skf Usa Inc. Dba Skf Aerospace Sealing Solutions (USA)
OS5228 Vanseal Corp (USA)
Related Parts
4730-00-068-6555INTERCHANGEABLE
COUPLING ASSEMBLY,QUICK DISCONNE
5600-8-10S
5330-01-011-8535INTERCHANGEABLE
SEAL KIT,VALVE
5998-01-064-0430INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
DA63323
5895-01-365-5178INTERCHANGEABLE
PANEL,PATCHING,COMMUNICATION
4004-4
6530-01-395-1184INTERCHANGEABLE
DISPENSER,SKIN CREAM,HOSPITAL PA
40004
8465-01-541-8294INTERCHANGEABLE
HYDRATION SYSTEM
40004
4940-01-597-0565INTERCHANGEABLE
PURGING SYSTEM,DRY NITROGEN
40004
5310-01-653-7780INTERCHANGEABLE
WASHER,FLAT
4-0234
2540-01-663-4891INTERCHANGEABLE
BALL ASSY,TOW
40004
5120-01-669-1547INTERCHANGEABLE
WRENCH,BOX AND OPEN END,COMBINAT
40004

Frequently Asked Questions

What is NSN 5330-01-054-4006?

NSN 5330-01-054-4006 is a Seal,plain Encased, manufactured by John Crane, Inc, classified under FSC 5330 (No Item Name Available). Status: active.

What are the part numbers for NSN 5330-01-054-4006?

NSN 5330-01-054-4006 has 7 cross-referenced part numbers: JC-400-525-20 (John Crane, Inc), 5330010544006 (E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales), 1X5570 (Zf Industrieantriebe Witten Gmbh), 11668698 (U S Army Tank Automotive Command Amsta-Im-Mm), 40000 (Skf Usa Inc. Dba Skf Aerospace Sealing Solutions) and 2 more.

What NSN replaces 5330-01-054-4006?

There are 10 known substitutes for 5330-01-054-4006: 4730-00-068-6555, 5330-01-011-8535, 5998-01-064-0430 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of JC-400-525-20?

Key specifications for JC-400-525-20: Sealing Element Style: VERTICAL; Outside Diameter: 5.256 INCHES NOMINAL IN; Case Style: SQUARE; Surface Treatment: PLASTIC CASE. 8 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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