PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

S4815Seal,plain Encased

Freudenberg-Nok General Partnership Dba Fredenberg-Nok Seals Division · NSN 5330-00-970-4271 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-00-970-4271 — this item is cataloged by the U.S. Government under National Stock Number 5330-00-970-4271. Primary manufacturer part number: S4815.
Features
  • Seal,plain Encased — FSC 5330
  • Seal Width: 0.359 INCHES MINIMUM AND 0.391 INCHES MAXIMUM IN
  • Material Document and Classification: 4806-2 FSCM 91251 MFR REF SINGLE MATERIAL RESPONSE SEALING ELEMENT
  • Accommodated Shaft Diameter: 0.625 INCHES NOMINAL IN
  • Material: RUBBER SYNTHETIC SEALING ELEMENT
  • Case Style: SQUARE
  • Sealing Element Style: ANGULAR
  • Housing Bore Diameter: 1.374 INCHES MINIMUM AND 1.376 INCHES MAXIMUM IN
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Applications requiring Rubber Synthetic Sealing Element construction
General Description

The Seal,plain Encased, cataloged under National Stock Number 5330-00-970-4271, is classified within Federal Supply Class 5330 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Freudenberg-Nok General Partnership Dba Fredenberg-Nok Seals Division. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5330-00-970-4271
Primary Part NumberS4815
Item NameSeal,plain Encased
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerFreudenberg-Nok General Partnership Dba Fredenberg-Nok Seals Division
StatusCANCELLED
Seal Width0.359 INCHES MINIMUM AND 0.391 INCHES MAXIMUM IN
Material Document and Classification4806-2 FSCM 91251 MFR REF SINGLE MATERIAL RESPONSE SEALING ELEMENT
Accommodated Shaft Diameter0.625 INCHES NOMINAL IN
MaterialRUBBER SYNTHETIC SEALING ELEMENT
Case StyleSQUARE
Sealing Element StyleANGULAR
Housing Bore Diameter1.374 INCHES MINIMUM AND 1.376 INCHES MAXIMUM IN
MaterialSTEEL COMP 302 CASE
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 7
5905-00-232-18491960920-1 INTERCHANGEABLE
Resistor,electrical
Honeywell Intl Inc Defense Avionics Systems
2815-00-516-91962A3447 INTERCHANGEABLE
Valve,poppet,engine
Caterpillar Inc Div Caterpillar Defense
5950-00-646-63694815 INTERCHANGEABLE
Transformer,radio Frequency
Plessey South Africa Ltd
5815-00-976-1250 INTERCHANGEABLE
Lever Assembly
6625-01-463-02064815 INTERCHANGEABLE
Sensor,current
Newport Scientific, Inc.
5975-01-498-83274815 INTERCHANGEABLE
Chassis,electrical-Electronic Eq
Amw Cuyuna Engine Co. Inc Dba Two Stroke International
6625-01-544-84124815 INTERCHANGEABLE
Lead,test
Fluke Electronics Corp
Cross-Reference Index
Part NumberManufacturer
S4815 PRIMARY Freudenberg-Nok General Partnership Dba Fredenberg-Nok Seals Division (USA)
4815 Freudenberg-Nok General Partnership Dba Fredenberg-Nok Seals Division (USA)
Related Parts
5905-00-232-1849INTERCHANGEABLE
RESISTOR,ELECTRICAL
1960920-1
2815-00-516-9196INTERCHANGEABLE
VALVE,POPPET,ENGINE
2A3447
5950-00-646-6369INTERCHANGEABLE
TRANSFORMER,RADIO FREQUENCY
4815
5815-00-976-1250INTERCHANGEABLE
LEVER ASSEMBLY
6625-01-463-0206INTERCHANGEABLE
SENSOR,CURRENT
4815
5975-01-498-8327INTERCHANGEABLE
CHASSIS,ELECTRICAL-ELECTRONIC EQ
4815
6625-01-544-8412INTERCHANGEABLE
LEAD,TEST
4815

Frequently Asked Questions

What is NSN 5330-00-970-4271?

NSN 5330-00-970-4271 is a Seal,plain Encased, manufactured by Freudenberg-Nok General Partnership Dba Fredenberg-Nok Seals Division, classified under FSC 5330 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5330-00-970-4271?

NSN 5330-00-970-4271 has 2 cross-referenced part numbers: S4815 (Freudenberg-Nok General Partnership Dba Fredenberg-Nok Seals Division), 4815 (Freudenberg-Nok General Partnership Dba Fredenberg-Nok Seals Division).

What NSN replaces 5330-00-970-4271?

There are 7 known substitutes for 5330-00-970-4271: 5905-00-232-1849, 2815-00-516-9196, 5950-00-646-6369 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of S4815?

Key specifications for S4815: Seal Width: 0.359 INCHES MINIMUM AND 0.391 INCHES MAXIMUM IN; Material Document and Classification: 4806-2 FSCM 91251 MFR REF SINGLE MATERIAL RESPONSE SEALING ELEMENT; Accommodated Shaft Diameter: 0.625 INCHES NOMINAL IN; Material: RUBBER SYNTHETIC SEALING ELEMENT. 8 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5330-00-970-4271 still in active supply?

NSN 5330-00-970-4271 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.
PartsTable Design LLC · partstable.com