PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4993781Seal,plain Encased

Kalmar AC Inc · NSN 5330-00-702-6769 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-00-702-6769 — this item is cataloged by the U.S. Government under National Stock Number 5330-00-702-6769. Primary manufacturer part number: 4993781.
Features
  • Seal,plain Encased — FSC 5330
  • Material: RUBBER SYNTHETIC SEALING ELEMENT A
  • Accommodated Shaft Maximum Rated Speed: 3600 FEET PER MINUTE FT
  • Material: STEEL CASE
  • Material: RUBBER SYNTHETIC SEALING ELEMENT B
  • Case Style: SQUARE
  • Housing Bore Diameter: 1.686 INCHES NOMINAL IN
  • Sealing Element Style: VERTICAL-ANGULAR
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Applications requiring Rubber Synthetic Sealing Element a construction
General Description

The Seal,plain Encased, cataloged under National Stock Number 5330-00-702-6769, is classified within Federal Supply Class 5330 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Kalmar AC Inc. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 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
NSN5330-00-702-6769
Primary Part Number4993781
Item NameSeal,plain Encased
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerKalmar AC Inc
StatusACTIVE
MaterialRUBBER SYNTHETIC SEALING ELEMENT A
Accommodated Shaft Maximum Rated Speed3600 FEET PER MINUTE FT
MaterialSTEEL CASE
MaterialRUBBER SYNTHETIC SEALING ELEMENT B
Case StyleSQUARE
Housing Bore Diameter1.686 INCHES NOMINAL IN
Sealing Element StyleVERTICAL-ANGULAR
Seal Width0.313 INCHES NOMINAL IN
Temp Rating-65.0 FAHRENHEIT AND 225.0 FAHRENHEIT DEGF
Accommodated Shaft Diameter1.250 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
3020-00-005-50143531 INTERCHANGEABLE
Gear,spur
L3harris Technologies, Inc. Div Space and Airborne Systems
5950-00-051-69822270606 INTERCHANGEABLE
Transformer,power
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
5136-00-239-2769400088 INTERCHANGEABLE
Die,thread Cutting
Greenfield Industries Inc
5815-00-472-82543531 INTERCHANGEABLE
Cover,case
Marine Corps Systems Command Div Marine Corps Systems Command Technical Data Repository Customer Service
5905-00-642-53623531 INTERCHANGEABLE
Resistor,variable,nonwire Wound,
Cts Corp Electromechanical Div
5950-00-910-92566140026-13 INTERCHANGEABLE
Transformer,radio Frequency
Viking Technologies, Ltd.
4920-00-918-49583-5-3-1 INTERCHANGEABLE
Shaft,safety
Celtech Corporation Div Use CAGE 65552 for All Orders
5955-00-937-46833531 INTERCHANGEABLE
Oscillator Subassembly
Bae Systems Technology Solutions & Services Inc.
6530-00-978-6070 INTERCHANGEABLE
Irrigation Kit,patient
5999-01-102-7489P21346-001-01 INTERCHANGEABLE
Clip,electrical
Us Army Aviation and Missile Command
Cross-Reference Index
Part NumberManufacturer
3531 Trw Inc Trw Commercial Steering Div (USA)
4993781 PRIMARY Kalmar AC Inc (USA)
Related Parts
3020-00-005-5014INTERCHANGEABLE
GEAR,SPUR
3531
5950-00-051-6982INTERCHANGEABLE
TRANSFORMER,POWER
2270606
5136-00-239-2769INTERCHANGEABLE
DIE,THREAD CUTTING
400088
5815-00-472-8254INTERCHANGEABLE
COVER,CASE
3531
5905-00-642-5362INTERCHANGEABLE
RESISTOR,VARIABLE,NONWIRE WOUND,
3531
5950-00-910-9256INTERCHANGEABLE
TRANSFORMER,RADIO FREQUENCY
6140026-13
4920-00-918-4958INTERCHANGEABLE
SHAFT,SAFETY
3-5-3-1
5955-00-937-4683INTERCHANGEABLE
OSCILLATOR SUBASSEMBLY
3531
6530-00-978-6070INTERCHANGEABLE
IRRIGATION KIT,PATIENT
5999-01-102-7489INTERCHANGEABLE
CLIP,ELECTRICAL
P21346-001-01
5905-01-135-2848INTERCHANGEABLE
RESISTOR,VARIABLE,NONWIRE WOUND,
4045219-4
5920-01-153-7487INTERCHANGEABLE
FUSEHOLDER,BLOCK
3531

Frequently Asked Questions

What is NSN 5330-00-702-6769?

NSN 5330-00-702-6769 is a Seal,plain Encased, manufactured by Kalmar AC Inc, classified under FSC 5330 (No Item Name Available). Status: active.

What are the part numbers for NSN 5330-00-702-6769?

NSN 5330-00-702-6769 has 2 cross-referenced part numbers: 3531 (Trw Inc Trw Commercial Steering Div), 4993781 (Kalmar AC Inc).

What NSN replaces 5330-00-702-6769?

There are 12 known substitutes for 5330-00-702-6769: 3020-00-005-5014, 5950-00-051-6982, 5136-00-239-2769 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 4993781?

Key specifications for 4993781: Material: RUBBER SYNTHETIC SEALING ELEMENT A; Accommodated Shaft Maximum Rated Speed: 3600 FEET PER MINUTE FT; Material: STEEL CASE; Material: RUBBER SYNTHETIC SEALING ELEMENT B. 10 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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