PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

7044139Seal,plain Encased

U S Army Tank Automotive Command Amsta-Im-Mm · NSN 5330-00-678-1427 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-00-678-1427 — this item is cataloged by the U.S. Government under National Stock Number 5330-00-678-1427. Primary manufacturer part number: 7044139.
Features
  • Seal,plain Encased — FSC 5330
  • Case Style: SQUARE
  • Sealing Element Style: ANGULAR
  • Material: STEEL CASE
  • Surface Treatment: PLASTIC CASE
  • Material: RUBBER SYNTHETIC SEALING ELEMENT
  • Seal Width: 0.421 INCHES MINIMUM AND 0.453 INCHES MAXIMUM IN
  • Outside Diameter: 2.378 INCHES NOMINAL IN
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 5330-00-678-1427, 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 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5330-00-678-1427
Primary Part Number7044139
Item NameSeal,plain Encased
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerU S Army Tank Automotive Command Amsta-Im-Mm
StatusACTIVE
Case StyleSQUARE
Sealing Element StyleANGULAR
MaterialSTEEL CASE
Surface TreatmentPLASTIC CASE
MaterialRUBBER SYNTHETIC SEALING ELEMENT
Seal Width0.421 INCHES MINIMUM AND 0.453 INCHES MAXIMUM IN
Outside Diameter2.378 INCHES NOMINAL IN
Accommodated Shaft Diameter1.749 INCHES MINIMUM AND 1.751 INCHES MAXIMUM IN
Housing Bore Diameter2.376 INCHES MINIMUM AND 2.380 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
5330-00-111-6508473237 INTERCHANGEABLE
Seal,plain Encased
Federal-Mogul Corp Government Sales Dept
9540-00-232-0216 INTERCHANGEABLE
Angle,structural
5950-00-430-5671989110-47B INTERCHANGEABLE
Coil,radio Frequency
Raytheon Company Dba Raytheon
5961-01-066-556317271 INTERCHANGEABLE
Semiconductor Device,thyristor
L3 Technologies, Inc. Div Communication Systems-West
5330-01-169-155611598935 INTERCHANGEABLE
Seal,plain Encased
U S Army Tank Automotive Command Amsta-Im-Mm
5950-01-354-6708TM11820 FIG 7-6 ITEM NO.33 INTERCHANGEABLE
Transformer,power
Creating Technology Solutions, Llc Dba Technology Research Corp Div Technology Research Corp
6515-01-585-8857AMOSK-001 INTERCHANGEABLE
Service Kit,vitrectomy System
Fort Defiance Industries Llc
Cross-Reference Index
Part NumberManufacturer
482246 Federal-Mogul Corp Government Sales Dept (USA)
42708A Skf Usa Inc. Dba Skf Aerospace Sealing Solutions (USA)
17271 Skf Usa Inc. Dba Skf Aerospace Sealing Solutions (USA)
7044139 PRIMARY U S Army Tank Automotive Command Amsta-Im-Mm (USA)
Related Parts
5330-00-111-6508INTERCHANGEABLE
SEAL,PLAIN ENCASED
473237
9540-00-232-0216INTERCHANGEABLE
ANGLE,STRUCTURAL
5950-00-430-5671INTERCHANGEABLE
COIL,RADIO FREQUENCY
989110-47B
5961-01-066-5563INTERCHANGEABLE
SEMICONDUCTOR DEVICE,THYRISTOR
17271
5330-01-169-1556INTERCHANGEABLE
SEAL,PLAIN ENCASED
11598935
5950-01-354-6708INTERCHANGEABLE
TRANSFORMER,POWER
TM11820 FIG 7-6 ITEM NO.33
6515-01-585-8857INTERCHANGEABLE
SERVICE KIT,VITRECTOMY SYSTEM
AMOSK-001

Frequently Asked Questions

What is NSN 5330-00-678-1427?

NSN 5330-00-678-1427 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 5330-00-678-1427?

NSN 5330-00-678-1427 has 4 cross-referenced part numbers: 482246 (Federal-Mogul Corp Government Sales Dept), 42708A (Skf Usa Inc. Dba Skf Aerospace Sealing Solutions), 17271 (Skf Usa Inc. Dba Skf Aerospace Sealing Solutions), 7044139 (U S Army Tank Automotive Command Amsta-Im-Mm).

What NSN replaces 5330-00-678-1427?

There are 7 known substitutes for 5330-00-678-1427: 5330-00-111-6508, 9540-00-232-0216, 5950-00-430-5671 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 7044139?

Key specifications for 7044139: Case Style: SQUARE; Sealing Element Style: ANGULAR; Material: STEEL CASE; Surface Treatment: PLASTIC CASE. 9 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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