PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

6684SSeal,plain Encased

Federal-Mogul Corp Chassis Products Div · NSN 5330-00-171-5765 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-00-171-5765 — this item is cataloged by the U.S. Government under National Stock Number 5330-00-171-5765. Primary manufacturer part number: 6684S.
Features
  • Seal,plain Encased — FSC 5330
  • Accommodated Shaft Maximum Rated Speed: 500 FEET PER MINUTE FT
  • Material: STEEL CASE
  • Accommodated Shaft Diameter: 2.750 INCHES NOMINAL IN
  • Seal Width: 0.593 INCHES NOMINAL IN
  • Material: RUBBER SYNTHETIC SEALING ELEMENT A
  • Case Style: SQUARE
  • Housing Bore Diameter: 3.881 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 5330-00-171-5765, is classified within Federal Supply Class 5330 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Federal-Mogul Corp Chassis Products Div. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5330-00-171-5765
Primary Part Number6684S
Item NameSeal,plain Encased
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerFederal-Mogul Corp Chassis Products Div
StatusCANCELLED
Accommodated Shaft Maximum Rated Speed500 FEET PER MINUTE FT
MaterialSTEEL CASE
Accommodated Shaft Diameter2.750 INCHES NOMINAL IN
Seal Width0.593 INCHES NOMINAL IN
MaterialRUBBER SYNTHETIC SEALING ELEMENT A
Case StyleSQUARE
Housing Bore Diameter3.881 INCHES NOMINAL IN
MaterialRUBBER SYNTHETIC SEALING ELEMENT B
Sealing Element StyleANGULAR-OPPOSED
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 9
4030-00-132-9181 INTERCHANGEABLE
Terminal,rope,swaging
5330-00-146-7451 INTERCHANGEABLE
Gasket
5950-00-151-74266684 INTERCHANGEABLE
Transformer,power
Cae Usa Inc.
5910-00-722-6743C65134 INTERCHANGEABLE
Capacitor,fixed,paper Dielectric
Arizona Capacitors, Inc
5826-00-916-01206684 INTERCHANGEABLE
Panelxassy,power Su
Transistor Devices Inc Div Astrodyne Tdi High Power Business Unit
5950-00-951-2734 INTERCHANGEABLE
Coil,radio Frequency
6150-01-327-12446684 INTERCHANGEABLE
Power Strip,electrical Outlet
Electric Boat Corporation Div General Dynamics Electric Boat
6520-01-561-5850100-1227 INTERCHANGEABLE
Arch Wire,dental
Henry Schein, Inc.
4820-01-570-7468R0089557 INTERCHANGEABLE
Valve,shuttle
Denel Vehicle Systems
Cross-Reference Index
Part NumberManufacturer
6684S Federal-Mogul Corp Chassis Products Div (USA)
00044 Defense Logistics Agency Dba Defense Supply Center Philadelphia (USA)
6684 Federal-Mogul Corp Chassis Products Div (USA)
Related Parts
4030-00-132-9181INTERCHANGEABLE
TERMINAL,ROPE,SWAGING
5330-00-146-7451INTERCHANGEABLE
GASKET
5950-00-151-7426INTERCHANGEABLE
TRANSFORMER,POWER
6684
5910-00-722-6743INTERCHANGEABLE
CAPACITOR,FIXED,PAPER DIELECTRIC
C65134
5826-00-916-0120INTERCHANGEABLE
PANELXASSY,POWER SU
6684
5950-00-951-2734INTERCHANGEABLE
COIL,RADIO FREQUENCY
6150-01-327-1244INTERCHANGEABLE
POWER STRIP,ELECTRICAL OUTLET
6684
6520-01-561-5850INTERCHANGEABLE
ARCH WIRE,DENTAL
100-1227
4820-01-570-7468INTERCHANGEABLE
VALVE,SHUTTLE
R0089557

Frequently Asked Questions

What is NSN 5330-00-171-5765?

NSN 5330-00-171-5765 is a Seal,plain Encased, manufactured by Federal-Mogul Corp Chassis Products Div, classified under FSC 5330 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5330-00-171-5765?

NSN 5330-00-171-5765 has 3 cross-referenced part numbers: 6684S (Federal-Mogul Corp Chassis Products Div), 00044 (Defense Logistics Agency Dba Defense Supply Center Philadelphia), 6684 (Federal-Mogul Corp Chassis Products Div).

What NSN replaces 5330-00-171-5765?

There are 9 known substitutes for 5330-00-171-5765: 4030-00-132-9181, 5330-00-146-7451, 5950-00-151-7426 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 6684S?

Key specifications for 6684S: Accommodated Shaft Maximum Rated Speed: 500 FEET PER MINUTE FT; Material: STEEL CASE; Accommodated Shaft Diameter: 2.750 INCHES NOMINAL IN; Seal Width: 0.593 INCHES NOMINAL IN. 9 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5330-00-171-5765 still in active supply?

NSN 5330-00-171-5765 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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