PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

22863Seal Assembly

M-D Pneumatics Inc · NSN 5330-00-623-0478 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-00-623-0478 — this item is cataloged by the U.S. Government under National Stock Number 5330-00-623-0478. Primary manufacturer part number: 22863.
Features
  • Seal Assembly — FSC 5330
  • General Characteristics Item Description: CONSISTS OF P/N 23483 1 STEEL RING,RETAINING; P/N 22861 7 STEEL SPACERSP/N 22867 1 STEEL SPRING; P/N 22858 6 POLYTETRAFLUOROETHYLENE WASHERS; P/N 22855 1 POWDERED IRON CASE
  • 1 verified cross-reference
  • Primary manufacturer: M-D Pneumatics Inc
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
General Description

The Seal Assembly, cataloged under National Stock Number 5330-00-623-0478, is classified within Federal Supply Class 5330 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is M-D Pneumatics Inc. 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. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5330-00-623-0478
Primary Part Number22863
Item NameSeal Assembly
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerM-D Pneumatics Inc
StatusACTIVE
General Characteristics Item DescriptionCONSISTS OF P/N 23483 1 STEEL RING,RETAINING; P/N 22861 7 STEEL SPACERSP/N 22867 1 STEEL SPRING; P/N 22858 6 POLYTETRAFLUOROETHYLENE WASHERS; P/N 22855 1 POWDERED IRON CASE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5895-00-126-6335 INTERCHANGEABLE
Cathode Stub Assy
4820-01-027-223122863 INTERCHANGEABLE
Valve,check
Williams International Co., L.l.c.
5310-01-074-6881920718C1 INTERCHANGEABLE
Washer,spring Tension
Dressta North America Ltd
6520-01-370-756129801 INTERCHANGEABLE
Resin,restorative,dental
Kerr Corporation
Cross-Reference Index
Part NumberManufacturer
22863 M-D Pneumatics Inc (USA)
Related Parts
5895-00-126-6335INTERCHANGEABLE
CATHODE STUB ASSY
4820-01-027-2231INTERCHANGEABLE
VALVE,CHECK
22863
5310-01-074-6881INTERCHANGEABLE
WASHER,SPRING TENSION
920718C1
6520-01-370-7561INTERCHANGEABLE
RESIN,RESTORATIVE,DENTAL
29801

Frequently Asked Questions

What is NSN 5330-00-623-0478?

NSN 5330-00-623-0478 is a Seal Assembly, manufactured by M-D Pneumatics Inc, classified under FSC 5330 (No Item Name Available). Status: active.

What are the part numbers for NSN 5330-00-623-0478?

NSN 5330-00-623-0478 has 1 cross-referenced part number: 22863 (M-D Pneumatics Inc).

What NSN replaces 5330-00-623-0478?

There are 4 known substitutes for 5330-00-623-0478: 5895-00-126-6335, 4820-01-027-2231, 5310-01-074-6881 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 22863?

Key specifications for 22863: General Characteristics Item Description: CONSISTS OF P/N 23483 1 STEEL RING,RETAINING; P/N 22861 7 STEEL SPACERSP/N 22867 1 STEEL SPRING; P/N 22858 6 POLYTETRAFLUOROETHYLENE WASHERS; P/N 22855 1 POWDERED IRON CASE. 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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