PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

A1403Seal,plain Encased

Mitsubishi Caterpillar Forklift America, Inc · NSN 5330-00-178-4738 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-00-178-4738 — this item is cataloged by the U.S. Government under National Stock Number 5330-00-178-4738. Primary manufacturer part number: A1403.
Features
  • Seal,plain Encased — FSC 5330
  • Outside Diameter: 2.632 INCHES NOMINAL IN
  • Accommodated Shaft Diameter: 1.250 INCHES NOMINAL IN
  • Material: STEEL CASE
  • Housing Bore Diameter: 1.999 INCHES MINIMUM AND 2.001 INCHES MAXIMUM IN
  • Accommodated Shaft Maximum Rated Speed: 2000 FEET PER MINUTE FT
  • Temp Rating: 200.0 FAHRENHEIT DEGF
  • Case Style: SQUARE
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Applications requiring Steel Case construction
General Description

The Seal,plain Encased, cataloged under National Stock Number 5330-00-178-4738, is classified within Federal Supply Class 5330 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Mitsubishi Caterpillar Forklift America, Inc. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 17 commercial cross-references from 12 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5330-00-178-4738
Primary Part NumberA1403
Item NameSeal,plain Encased
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerMitsubishi Caterpillar Forklift America, Inc
StatusCANCELLED
Outside Diameter2.632 INCHES NOMINAL IN
Accommodated Shaft Diameter1.250 INCHES NOMINAL IN
MaterialSTEEL CASE
Housing Bore Diameter1.999 INCHES MINIMUM AND 2.001 INCHES MAXIMUM IN
Accommodated Shaft Maximum Rated Speed2000 FEET PER MINUTE FT
Temp Rating200.0 FAHRENHEIT DEGF
Case StyleSQUARE
MaterialLEATHER SEALING ELEMENT
Sealing Element StyleANGULAR
Seal Width0.423 INCHES MINIMUM AND 0.453 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
3110-00-100-600114138A14274 INTERCHANGEABLE
Bearing,roller,tapered
The Timken Corporation
5133-00-189-9253 INTERCHANGEABLE
Drill,twist
5133-00-189-9308 INTERCHANGEABLE
Drill,twist
5133-00-227-9647 INTERCHANGEABLE
Drill,twist
5330-00-239-7986206564 INTERCHANGEABLE
Gasket
Woodward, Inc.
3020-00-239-8231 INTERCHANGEABLE
Link,roller Chain
5330-00-260-8787 INTERCHANGEABLE
Seal,plain Encased
5930-00-446-9124266-5408-010 INTERCHANGEABLE
Switch,toggle
Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems
3455-00-596-512219606 INTERCHANGEABLE
Reamer,machine
Brown & Sharpe, Inc. Div Precision Measuring Instruments, Tesa Usa
2640-00-756-159557524-00 INTERCHANGEABLE
Valve Core
Avox Systems Inc Dba Avox Systems Inc
Cross-Reference Index
Part NumberManufacturer
1400-1588 Tvh Parts Co. (USA)
225727 Clark Equipment Co (USA)
A1403 PRIMARY Mitsubishi Caterpillar Forklift America, Inc (USA)
646-1-4834 Zf Industrieantriebe Witten Gmbh (DEU)
329-2200-235451PCX3 PRIMARY Naval Ship Systems Command (USA)
25-W-1 Zf Industrieantriebe Witten Gmbh (DEU)
00044 Defense Logistics Agency Dba Defense Supply Center Philadelphia (USA)
4641982 New Holland Construction (USA)
2462-156PCX3 Electric Boat Corporation Div General Dynamics Electric Boat (USA)
1400-1588 Lift Parts Mfg Co Inc Div of Echlin Mfg Co the (USA)
150-4N PRIMARY Harbormaster Marine, Inc (USA)
4641982-6 New Holland Construction (USA)
4615166-8 New Holland Construction (USA)
20018 Skf Usa Inc. Dba Skf Aerospace Sealing Solutions (USA)
450163SSR Federal-Mogul Corp Government Sales Dept (USA)
206564 Clark Equipment Co (USA)
4615166 New Holland Construction (USA)
Related Parts
3110-00-100-6001INTERCHANGEABLE
BEARING,ROLLER,TAPERED
14138A14274
5133-00-189-9253INTERCHANGEABLE
DRILL,TWIST
5133-00-189-9308INTERCHANGEABLE
DRILL,TWIST
5133-00-227-9647INTERCHANGEABLE
DRILL,TWIST
5330-00-239-7986INTERCHANGEABLE
GASKET
206564
3020-00-239-8231INTERCHANGEABLE
LINK,ROLLER CHAIN
5330-00-260-8787INTERCHANGEABLE
SEAL,PLAIN ENCASED
5930-00-446-9124INTERCHANGEABLE
SWITCH,TOGGLE
266-5408-010
3455-00-596-5122INTERCHANGEABLE
REAMER,MACHINE
19606
2640-00-756-1595INTERCHANGEABLE
VALVE CORE
57524-00
7490-00-925-1944INTERCHANGEABLE
PULLEYXDRIVEX0S
20018
5940-00-983-6059INTERCHANGEABLE
TERMINAL BOARD

Frequently Asked Questions

What is NSN 5330-00-178-4738?

NSN 5330-00-178-4738 is a Seal,plain Encased, manufactured by Mitsubishi Caterpillar Forklift America, Inc, classified under FSC 5330 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5330-00-178-4738?

NSN 5330-00-178-4738 has 17 cross-referenced part numbers: 1400-1588 (Tvh Parts Co.), 225727 (Clark Equipment Co), A1403 (Mitsubishi Caterpillar Forklift America, Inc), 646-1-4834 (Zf Industrieantriebe Witten Gmbh), 329-2200-235451PCX3 (Naval Ship Systems Command) and 12 more.

What NSN replaces 5330-00-178-4738?

There are 12 known substitutes for 5330-00-178-4738: 3110-00-100-6001, 5133-00-189-9253, 5133-00-189-9308 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of A1403?

Key specifications for A1403: Outside Diameter: 2.632 INCHES NOMINAL IN; Accommodated Shaft Diameter: 1.250 INCHES NOMINAL IN; Material: STEEL CASE; Housing Bore Diameter: 1.999 INCHES MINIMUM AND 2.001 INCHES MAXIMUM IN. 10 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5330-00-178-4738 still in active supply?

NSN 5330-00-178-4738 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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