PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

7375181Seal,plain Encased

U S Army Tank Automotive Command Amsta-Im-Mm · NSN 5330-00-737-5181 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-00-737-5181 — this item is cataloged by the U.S. Government under National Stock Number 5330-00-737-5181. Primary manufacturer part number: 7375181.
Features
  • Seal,plain Encased — FSC 5330
  • Accommodated Shaft Maximum Rated Speed: 3000 FEET PER MINUTE FT
  • Sealing Element Style: ANGULAR
  • Accommodated Shaft Diameter: 1.125 INCHES NOMINAL IN
  • Housing Bore Diameter: 1.375 INCHES NOMINAL IN
  • Seal Width: 0.125 INCHES NOMINAL IN
  • Material: STEEL CASE
  • Material: RUBBER SYNTHETIC SEALING ELEMENT
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 5330-00-737-5181, 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 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5330-00-737-5181
Primary Part Number7375181
Item NameSeal,plain Encased
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerU S Army Tank Automotive Command Amsta-Im-Mm
StatusCANCELLED
Accommodated Shaft Maximum Rated Speed3000 FEET PER MINUTE FT
Sealing Element StyleANGULAR
Accommodated Shaft Diameter1.125 INCHES NOMINAL IN
Housing Bore Diameter1.375 INCHES NOMINAL IN
Seal Width0.125 INCHES NOMINAL IN
MaterialSTEEL CASE
MaterialRUBBER SYNTHETIC SEALING ELEMENT
Case StyleSQUARE
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 8
2910-00-057-142114776 INTERCHANGEABLE
Filter Element,fluid
Westerbeke Corporation
6680-00-709-127514982 INTERCHANGEABLE
Pin,demand Valve
Mission Systems Orchard Park Inc
6520-01-003-391814982 INTERCHANGEABLE
Bur,dental,excavating
Ss White Burs Llc
2530-01-063-5359 INTERCHANGEABLE
Seat,ball Socket
5340-01-252-523449660 INTERCHANGEABLE
Clamp,loop
Sullair Corp
5985-01-366-0785 INTERCHANGEABLE
Adapter,mast
6625-01-374-2784 INTERCHANGEABLE
Probe,test
5995-01-411-563849660 INTERCHANGEABLE
Cable Assembly,special Purpose,e
Belden Wire & Cable Company Llc Dba Belden Cdt Electronics Division
Cross-Reference Index
Part NumberManufacturer
49660 Dana Automotive Systems Group, Llc Dba Dana Sealing Products (USA)
645663 Am General Llc (USA)
7375181 PRIMARY U S Army Tank Automotive Command Amsta-Im-Mm (USA)
11131VM Transcom Inc (USA)
00044 Defense Logistics Agency Dba Defense Supply Center Philadelphia (USA)
14982 Garlock Sealing Technologies Llc Dba Garlock Sealing Technologies Llc (USA)
Related Parts
2910-00-057-1421INTERCHANGEABLE
FILTER ELEMENT,FLUID
14776
6680-00-709-1275INTERCHANGEABLE
PIN,DEMAND VALVE
14982
6520-01-003-3918INTERCHANGEABLE
BUR,DENTAL,EXCAVATING
14982
2530-01-063-5359INTERCHANGEABLE
SEAT,BALL SOCKET
5340-01-252-5234INTERCHANGEABLE
CLAMP,LOOP
49660
5985-01-366-0785INTERCHANGEABLE
ADAPTER,MAST
6625-01-374-2784INTERCHANGEABLE
PROBE,TEST
5995-01-411-5638INTERCHANGEABLE
CABLE ASSEMBLY,SPECIAL PURPOSE,E
49660

Frequently Asked Questions

What is NSN 5330-00-737-5181?

NSN 5330-00-737-5181 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 5330-00-737-5181?

NSN 5330-00-737-5181 has 6 cross-referenced part numbers: 49660 (Dana Automotive Systems Group, Llc Dba Dana Sealing Products), 645663 (Am General Llc), 7375181 (U S Army Tank Automotive Command Amsta-Im-Mm), 11131VM (Transcom Inc), 00044 (Defense Logistics Agency Dba Defense Supply Center Philadelphia) and 1 more.

What NSN replaces 5330-00-737-5181?

There are 8 known substitutes for 5330-00-737-5181: 2910-00-057-1421, 6680-00-709-1275, 6520-01-003-3918 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 7375181?

Key specifications for 7375181: Accommodated Shaft Maximum Rated Speed: 3000 FEET PER MINUTE FT; Sealing Element Style: ANGULAR; Accommodated Shaft Diameter: 1.125 INCHES NOMINAL IN; Housing Bore Diameter: 1.375 INCHES NOMINAL IN. 8 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5330-00-737-5181 still in active supply?

NSN 5330-00-737-5181 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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