PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

500128Seal,plain Encased

U S Army Tank Automotive Command Amsta-Im-Mm · NSN 5330-00-050-0128 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-00-050-0128 — this item is cataloged by the U.S. Government under National Stock Number 5330-00-050-0128. Primary manufacturer part number: 500128.
Features
  • Seal,plain Encased — FSC 5330
  • Seal Width: 0.235 INCHES MINIMUM AND 0.265 INCHES MAXIMUM IN
  • Case Style: RECESSED
  • Accommodated Shaft Diameter: 2.125 INCHES NOMINAL IN
  • Housing Bore Diameter: 2.874 INCHES MINIMUM AND 2.876 INCHES MAXIMUM IN
  • Sealing Element Style: ANGULAR
  • Material: LEATHER AND RUBBER SYNTHETIC SEALING ELEMENT
  • Accommodated Shaft Maximum Rated Speed: 1600 FEET PER MINUTE FT
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Applications requiring Leather and Rubber Synthetic Sealing Element construction
General Description

The Seal,plain Encased, cataloged under National Stock Number 5330-00-050-0128, is classified within Federal Supply Class 5330 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is U S Army Tank Automotive Command Amsta-Im-Mm. Government technical data includes 7 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. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5330-00-050-0128
Primary Part Number500128
Item NameSeal,plain Encased
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerU S Army Tank Automotive Command Amsta-Im-Mm
StatusACTIVE
Seal Width0.235 INCHES MINIMUM AND 0.265 INCHES MAXIMUM IN
Case StyleRECESSED
Accommodated Shaft Diameter2.125 INCHES NOMINAL IN
Housing Bore Diameter2.874 INCHES MINIMUM AND 2.876 INCHES MAXIMUM IN
Sealing Element StyleANGULAR
MaterialLEATHER AND RUBBER SYNTHETIC SEALING ELEMENT
Accommodated Shaft Maximum Rated Speed1600 FEET PER MINUTE FT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
4730-00-821-02517974046 INTERCHANGEABLE
Clamp,hose
U S Army Tank Automotive Command Amsta-Im-Mm
5995-00-890-3532547-0981-004 INTERCHANGEABLE
Cable Assembly,power,electrical
Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems
4730-00-893-9737A7815 INTERCHANGEABLE
Adapter,straight,pipe to Tube
Mueller Brass Co.
5841-00-918-0907500128 INTERCHANGEABLE
Retainer,ball
Aimtron Systems, Llc
5305-01-039-22075001-2-8 INTERCHANGEABLE
Screw,machine
L3harris Technologies, Inc. Div Space and Airborne Systems
5331-01-614-4802500128 INTERCHANGEABLE
O-Ring
Tri-Tec Manufacturing Llc
Cross-Reference Index
Part NumberManufacturer
500128 PRIMARY U S Army Tank Automotive Command Amsta-Im-Mm (USA)
Related Parts
4730-00-821-0251INTERCHANGEABLE
CLAMP,HOSE
7974046
5995-00-890-3532INTERCHANGEABLE
CABLE ASSEMBLY,POWER,ELECTRICAL
547-0981-004
4730-00-893-9737INTERCHANGEABLE
ADAPTER,STRAIGHT,PIPE TO TUBE
A7815
5841-00-918-0907INTERCHANGEABLE
RETAINER,BALL
500128
5305-01-039-2207INTERCHANGEABLE
SCREW,MACHINE
5001-2-8
5331-01-614-4802INTERCHANGEABLE
O-RING
500128

Frequently Asked Questions

What is NSN 5330-00-050-0128?

NSN 5330-00-050-0128 is a Seal,plain Encased, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 5330 (No Item Name Available). Status: active.

What are the part numbers for NSN 5330-00-050-0128?

NSN 5330-00-050-0128 has 1 cross-referenced part number: 500128 (U S Army Tank Automotive Command Amsta-Im-Mm).

What NSN replaces 5330-00-050-0128?

There are 6 known substitutes for 5330-00-050-0128: 4730-00-821-0251, 5995-00-890-3532, 4730-00-893-9737 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 500128?

Key specifications for 500128: Seal Width: 0.235 INCHES MINIMUM AND 0.265 INCHES MAXIMUM IN; Case Style: RECESSED; Accommodated Shaft Diameter: 2.125 INCHES NOMINAL IN; Housing Bore Diameter: 2.874 INCHES MINIMUM AND 2.876 INCHES MAXIMUM IN. 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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