PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

18472Seal,plain Encased

Nak Mao Shun · NSN 5330-01-529-4253 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-01-529-4253 — this item is cataloged by the U.S. Government under National Stock Number 5330-01-529-4253. Primary manufacturer part number: 18472.
Features
  • Seal,plain Encased — FSC 5330
  • Seal Width: 16.0 MILLIMETERS NOMINAL MM
  • Housing Bore Diameter: 290.0 MILLIMETERS NOMINAL MM
  • Accommodated Shaft Diameter: 260.0 MILLIMETERS NOMINAL MM
  • Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR EXTERNAL
  • Material: STEEL CORROSION RESISTING SPRING
  • 1 verified cross-reference
  • Primary manufacturer: Nak Mao Shun
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Applications requiring Rubber Butadiene-Acrylonitrile Class Nbr External construction
General Description

The Seal,plain Encased, cataloged under National Stock Number 5330-01-529-4253, is classified within Federal Supply Class 5330 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Nak Mao Shun. Government technical data includes 5 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. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5330-01-529-4253
Primary Part Number18472
Item NameSeal,plain Encased
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerNak Mao Shun
StatusACTIVE
Seal Width16.0 MILLIMETERS NOMINAL MM
Housing Bore Diameter290.0 MILLIMETERS NOMINAL MM
Accommodated Shaft Diameter260.0 MILLIMETERS NOMINAL MM
MaterialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR EXTERNAL
MaterialSTEEL CORROSION RESISTING SPRING
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
6210-00-283-93126302-B-9 INTERCHANGEABLE
Light,indicator
Chicago Miniature Lighting Llc Dba Chicago Miniature Optoelectron
6210-01-419-883118472 INTERCHANGEABLE
Lens,light
Basler Electric Co
6650-01-642-036318472 INTERCHANGEABLE
Telescope,straight
Brunson Instrument Company Dba Brunson Instrument Company
Cross-Reference Index
Part NumberManufacturer
18472 PRIMARY Nak Mao Shun
Related Parts
6210-00-283-9312INTERCHANGEABLE
LIGHT,INDICATOR
6302-B-9
6210-01-419-8831INTERCHANGEABLE
LENS,LIGHT
18472
6650-01-642-0363INTERCHANGEABLE
TELESCOPE,STRAIGHT
18472

Frequently Asked Questions

What is NSN 5330-01-529-4253?

NSN 5330-01-529-4253 is a Seal,plain Encased, manufactured by Nak Mao Shun, classified under FSC 5330 (No Item Name Available). Status: active.

What are the part numbers for NSN 5330-01-529-4253?

NSN 5330-01-529-4253 has 1 cross-referenced part number: 18472 (Nak Mao Shun).

What NSN replaces 5330-01-529-4253?

There are 3 known substitutes for 5330-01-529-4253: 6210-00-283-9312, 6210-01-419-8831, 6650-01-642-0363. Verify interchangeability with system specifications before substitution.

What are the specifications of 18472?

Key specifications for 18472: Seal Width: 16.0 MILLIMETERS NOMINAL MM; Housing Bore Diameter: 290.0 MILLIMETERS NOMINAL MM; Special Features: SEAL IS TWIN LIPPED WITH MILD GARTER SPRING; MATERIAL NITRLE HARDNESS IS 70 SHORE DUROMETER; Accommodated Shaft Diameter: 260.0 MILLIMETERS NOMINAL MM. 7 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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