PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

7404618Seal,plain Encased

U S Army Tank Automotive Command Amsta-Im-Mm · NSN 5330-00-141-3390 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-00-141-3390 — this item is cataloged by the U.S. Government under National Stock Number 5330-00-141-3390. Primary manufacturer part number: 7404618.
Features
  • Seal,plain Encased — FSC 5330
  • Accommodated Shaft Diameter: 0.750 INCHES NOMINAL IN
  • Material: STEEL CASE
  • Material: RUBBER SYNTHETIC SEALING ELEMENT
  • Case Style: SQUARE
  • Sealing Element Style: ANGULAR
  • Seal Width: 0.125 INCHES NOMINAL IN
  • Housing Bore Diameter: 1.250 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 5330-00-141-3390, 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 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5330-00-141-3390
Primary Part Number7404618
Item NameSeal,plain Encased
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerU S Army Tank Automotive Command Amsta-Im-Mm
StatusCANCELLED
Accommodated Shaft Diameter0.750 INCHES NOMINAL IN
MaterialSTEEL CASE
MaterialRUBBER SYNTHETIC SEALING ELEMENT
Case StyleSQUARE
Sealing Element StyleANGULAR
Seal Width0.125 INCHES NOMINAL IN
Housing Bore Diameter1.250 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 10
4220-00-072-5311 INTERCHANGEABLE
Life Preserver,underarm
5307-00-272-7052S750 INTERCHANGEABLE
Stud,plain
Caterpillar Inc Div Caterpillar Defense
3120-00-287-65073671-03PC35 INTERCHANGEABLE
Bearing,sleeve
Electric Boat Corporation Div General Dynamics Electric Boat
2040-00-385-9076SA750 INTERCHANGEABLE
Strainer,hull Intake
Gross Mechanical Laboratories Inc
7025-01-179-167398624A INTERCHANGEABLE
Interface Unit,automatic Data Pr
Hewlett-Packard Company Dba HP
8040-01-261-4187 INTERCHANGEABLE
Adhesive
4920-01-494-3737S750 INTERCHANGEABLE
Banding Tool,pneumatic,aircraft
Band-It-Idex Inc Unit of Idex Corp
5965-01-559-6637S750 INTERCHANGEABLE
Loudspeaker Assembly
Creative Labs Inc
9150-01-583-8241 INTERCHANGEABLE
Calibrating Oil,standard
8105-01-708-0139S-750 INTERCHANGEABLE
Envelope,packing List
Uline Inc
Cross-Reference Index
Part NumberManufacturer
5330007404618 E.c.a Etablissement Centrald'approvisionnement Des Forces Armee
7404618 PRIMARY U S Army Tank Automotive Command Amsta-Im-Mm (USA)
5330007404618 E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales
S750 Thomson Industries Inc (USA)
Related Parts
4220-00-072-5311INTERCHANGEABLE
LIFE PRESERVER,UNDERARM
5307-00-272-7052INTERCHANGEABLE
STUD,PLAIN
S750
3120-00-287-6507INTERCHANGEABLE
BEARING,SLEEVE
3671-03PC35
2040-00-385-9076INTERCHANGEABLE
STRAINER,HULL INTAKE
SA750
7025-01-179-1673INTERCHANGEABLE
INTERFACE UNIT,AUTOMATIC DATA PR
98624A
8040-01-261-4187INTERCHANGEABLE
ADHESIVE
4920-01-494-3737INTERCHANGEABLE
BANDING TOOL,PNEUMATIC,AIRCRAFT
S750
5965-01-559-6637INTERCHANGEABLE
LOUDSPEAKER ASSEMBLY
S750
9150-01-583-8241INTERCHANGEABLE
CALIBRATING OIL,STANDARD
8105-01-708-0139INTERCHANGEABLE
ENVELOPE,PACKING LIST
S-750

Frequently Asked Questions

What is NSN 5330-00-141-3390?

NSN 5330-00-141-3390 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: cancelled.

What are the part numbers for NSN 5330-00-141-3390?

NSN 5330-00-141-3390 has 4 cross-referenced part numbers: 5330007404618 (E.c.a Etablissement Centrald'approvisionnement Des Forces Armee), 7404618 (U S Army Tank Automotive Command Amsta-Im-Mm), 5330007404618 (E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales), S750 (Thomson Industries Inc).

What NSN replaces 5330-00-141-3390?

There are 10 known substitutes for 5330-00-141-3390: 4220-00-072-5311, 5307-00-272-7052, 3120-00-287-6507 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 7404618?

Key specifications for 7404618: Accommodated Shaft Diameter: 0.750 INCHES NOMINAL IN; Material: STEEL CASE; Material: RUBBER SYNTHETIC SEALING ELEMENT; Case Style: SQUARE. 7 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5330-00-141-3390 still in active supply?

NSN 5330-00-141-3390 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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