PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

7661Seal,plain Encased

Zf Industrieantriebe Witten Gmbh · NSN 5330-00-291-9630 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-00-291-9630 — this item is cataloged by the U.S. Government under National Stock Number 5330-00-291-9630. Primary manufacturer part number: 7661.
Features
  • Seal,plain Encased — FSC 5330
  • Seal Width: 0.406 INCHES MINIMUM AND 0.469 INCHES MAXIMUM IN
  • Outside Diameter: 1.832 INCHES NOMINAL IN
  • Material: LEATHER OR RUBBER SYNTHETIC SEALING ELEMENT
  • Accommodated Shaft Maximum Rated Speed: 2000 FEET PER MINUTE FT
  • Sealing Element Style: ANGULAR
  • Case Style: SQUARE
  • Housing Bore Diameter: 1.828 INCHES NOMINAL IN
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Applications requiring Leather or Rubber Synthetic Sealing Element construction
General Description

The Seal,plain Encased, cataloged under National Stock Number 5330-00-291-9630, is classified within Federal Supply Class 5330 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Zf Industrieantriebe Witten Gmbh. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5330-00-291-9630
Primary Part Number7661
Item NameSeal,plain Encased
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerZf Industrieantriebe Witten Gmbh
StatusACTIVE
Seal Width0.406 INCHES MINIMUM AND 0.469 INCHES MAXIMUM IN
Outside Diameter1.832 INCHES NOMINAL IN
MaterialLEATHER OR RUBBER SYNTHETIC SEALING ELEMENT
Accommodated Shaft Maximum Rated Speed2000 FEET PER MINUTE FT
Sealing Element StyleANGULAR
Case StyleSQUARE
Housing Bore Diameter1.828 INCHES NOMINAL IN
Accommodated Shaft Diameter0.750 INCHES NOMINAL IN
Surface TreatmentPLASTIC CASE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5950-00-086-8835 INTERCHANGEABLE
Coil,radio Frequency
5815-00-125-48497661 INTERCHANGEABLE
Lever
Telemechanics Inc
3110-00-151-849848638 INTERCHANGEABLE
Ring,bearing,outer
Westinghouse Electric Corp
5815-00-224-6460SC-C-69992-12 INTERCHANGEABLE
Bar,connecting,teletypewriter
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
5325-00-281-2935183-24 INTERCHANGEABLE
Ring,retaining
Lockheed Martin Corporation Div Rms - Mitchel Field
3110-00-293-9163 INTERCHANGEABLE
Bearing,ball,annular
3110-00-293-95861410-0238 INTERCHANGEABLE
Bearing,ball,annular
Agilent Technologies, Inc. Div Agilent Technologies Headquarters
5930-00-366-01057661 INTERCHANGEABLE
Switch,code Indicating Wheel
Electro Switch Corp. Dba Electro Switch Corp Div Digitran a Unit of Electro Switch
5930-00-455-4605 INTERCHANGEABLE
Switch,rotary
5950-00-518-0183 INTERCHANGEABLE
Transformer,power Autotransforme
Cross-Reference Index
Part NumberManufacturer
7661 Zf Industrieantriebe Witten Gmbh (DEU)
48638 Dana Automotive Systems Group, Llc Dba Dana Sealing Products (USA)
18324 Skf Usa Inc. Dba Skf Aerospace Sealing Solutions (USA)
00044 Defense Logistics Agency Dba Defense Supply Center Philadelphia (USA)
7661 Skf Usa Inc. Dba Skf Aerospace Sealing Solutions (USA)
60144 Dana Automotive Systems Group, Llc Dba Dana Sealing Products (USA)
50033 Federal-Mogul Corp Chassis Products Div (USA)
03750-2 Apache Corp Gits Bros Mfg Co (USA)
Related Parts
5950-00-086-8835INTERCHANGEABLE
COIL,RADIO FREQUENCY
5815-00-125-4849INTERCHANGEABLE
LEVER
7661
3110-00-151-8498INTERCHANGEABLE
RING,BEARING,OUTER
48638
5815-00-224-6460INTERCHANGEABLE
BAR,CONNECTING,TELETYPEWRITER
SC-C-69992-12
5325-00-281-2935INTERCHANGEABLE
RING,RETAINING
183-24
3110-00-293-9163INTERCHANGEABLE
BEARING,BALL,ANNULAR
3110-00-293-9586INTERCHANGEABLE
BEARING,BALL,ANNULAR
1410-0238
5930-00-366-0105INTERCHANGEABLE
SWITCH,CODE INDICATING WHEEL
7661
5930-00-455-4605INTERCHANGEABLE
SWITCH,ROTARY
5950-00-518-0183INTERCHANGEABLE
TRANSFORMER,POWER AUTOTRANSFORME
9540-00-528-7282INTERCHANGEABLE
BEAM,STRUCTURAL
3110-00-554-5705INTERCHANGEABLE
BEARING,BALL,ANNULAR
4130207-06

Frequently Asked Questions

What is NSN 5330-00-291-9630?

NSN 5330-00-291-9630 is a Seal,plain Encased, manufactured by Zf Industrieantriebe Witten Gmbh, classified under FSC 5330 (No Item Name Available). Status: active.

What are the part numbers for NSN 5330-00-291-9630?

NSN 5330-00-291-9630 has 8 cross-referenced part numbers: 7661 (Zf Industrieantriebe Witten Gmbh), 48638 (Dana Automotive Systems Group, Llc Dba Dana Sealing Products), 18324 (Skf Usa Inc. Dba Skf Aerospace Sealing Solutions), 00044 (Defense Logistics Agency Dba Defense Supply Center Philadelphia), 7661 (Skf Usa Inc. Dba Skf Aerospace Sealing Solutions) and 3 more.

What NSN replaces 5330-00-291-9630?

There are 12 known substitutes for 5330-00-291-9630: 5950-00-086-8835, 5815-00-125-4849, 3110-00-151-8498 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 7661?

Key specifications for 7661: Seal Width: 0.406 INCHES MINIMUM AND 0.469 INCHES MAXIMUM IN; Outside Diameter: 1.832 INCHES NOMINAL IN; Material: LEATHER OR RUBBER SYNTHETIC SEALING ELEMENT; Accommodated Shaft Maximum Rated Speed: 2000 FEET PER MINUTE FT. 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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