PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

7411940Seal,plain Encased

U S Army Tank Automotive Command Amsta-Im-Mm · NSN 5330-00-741-1940 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-00-741-1940 — this item is cataloged by the U.S. Government under National Stock Number 5330-00-741-1940. Primary manufacturer part number: 7411940.
Features
  • Seal,plain Encased — FSC 5330
  • Case Style: SQUARE
  • Material: RUBBER SYNTHETIC SEALING ELEMENT
  • Housing Bore Diameter: 1.254 INCHES NOMINAL IN
  • Seal Width: 0.375 INCHES NOMINAL IN
  • Accommodated Shaft Diameter: 0.750 INCHES NOMINAL IN
  • Material: STEEL CASE
  • Sealing Element Style: VERTICAL
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Applications requiring Rubber Synthetic Sealing Element construction
General Description

The Seal,plain Encased, cataloged under National Stock Number 5330-00-741-1940, 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 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5330-00-741-1940
Primary Part Number7411940
Item NameSeal,plain Encased
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerU S Army Tank Automotive Command Amsta-Im-Mm
StatusACTIVE
Case StyleSQUARE
MaterialRUBBER SYNTHETIC SEALING ELEMENT
Housing Bore Diameter1.254 INCHES NOMINAL IN
Seal Width0.375 INCHES NOMINAL IN
Accommodated Shaft Diameter0.750 INCHES NOMINAL IN
MaterialSTEEL CASE
Sealing Element StyleVERTICAL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5330-00-584-1036 INTERCHANGEABLE
Packing,preformed
6130-01-117-5862118205 INTERCHANGEABLE
Power Supply
Bae Systems Information and Electronic Systems Integration Inc.
Cross-Reference Index
Part NumberManufacturer
515 Ramsey Manufacturing Co (USA)
118205 Am General Llc (USA)
7411940 PRIMARY U S Army Tank Automotive Command Amsta-Im-Mm (USA)
Related Parts
5330-00-584-1036INTERCHANGEABLE
PACKING,PREFORMED
6130-01-117-5862INTERCHANGEABLE
POWER SUPPLY
118205

Frequently Asked Questions

What is NSN 5330-00-741-1940?

NSN 5330-00-741-1940 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 5330-00-741-1940?

NSN 5330-00-741-1940 has 3 cross-referenced part numbers: 515 (Ramsey Manufacturing Co), 118205 (Am General Llc), 7411940 (U S Army Tank Automotive Command Amsta-Im-Mm).

What NSN replaces 5330-00-741-1940?

There are 2 known substitutes for 5330-00-741-1940: 5330-00-584-1036, 6130-01-117-5862. Verify interchangeability with system specifications before substitution.

What are the specifications of 7411940?

Key specifications for 7411940: Case Style: SQUARE; Material: RUBBER SYNTHETIC SEALING ELEMENT; Housing Bore Diameter: 1.254 INCHES NOMINAL IN; Seal Width: 0.375 INCHES NOMINAL 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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