PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

NR11121M1Seal,plain Encased

Skf Usa Inc. Dba Skf Aerospace Sealing Solutions · NSN 5330-00-494-9966 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-00-494-9966 — this item is cataloged by the U.S. Government under National Stock Number 5330-00-494-9966. Primary manufacturer part number: NR11121M1.
Features
  • Seal,plain Encased — FSC 5330
  • Case Style: SQUARE
  • Accommodated Shaft Diameter: 0.656 INCHES NOMINAL IN
  • Accommodated Shaft Maximum Rated Speed: 2000 FEET PER MINUTE FT
  • Sealing Element Style: ANGULAR
  • Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR SEALING ELEMENT
  • Seal Width: 0.312 INCHES NOMINAL IN
  • Outside Diameter: 1.128 INCHES NOMINAL IN
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Applications requiring Rubber Butadiene-Acrylonitrile Class Nbr Sealing Element construction
General Description

The Seal,plain Encased, cataloged under National Stock Number 5330-00-494-9966, is classified within Federal Supply Class 5330 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Skf Usa Inc. Dba Skf Aerospace Sealing Solutions. Government technical data includes 10 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5330-00-494-9966
Primary Part NumberNR11121M1
Item NameSeal,plain Encased
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerSkf Usa Inc. Dba Skf Aerospace Sealing Solutions
StatusACTIVE
Case StyleSQUARE
Accommodated Shaft Diameter0.656 INCHES NOMINAL IN
Accommodated Shaft Maximum Rated Speed2000 FEET PER MINUTE FT
Sealing Element StyleANGULAR
MaterialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR SEALING ELEMENT
Seal Width0.312 INCHES NOMINAL IN
Outside Diameter1.128 INCHES NOMINAL IN
Housing Bore Diameter1.124 INCHES NOMINAL IN
Surface TreatmentPLASTIC CASE
Temp Rating-65.0 FAHRENHEIT AND 250.0 FAHRENHEIT DEGF
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5330-00-014-61576521-101A INTERCHANGEABLE
Gasket
Kirkhill Inc Div Kirkhill Inc, Haskon Division
5935-00-068-4622 INTERCHANGEABLE
Connector,plug,electrical
5960-00-810-3594 INTERCHANGEABLE
Electron Tube
3040-00-918-84476521 INTERCHANGEABLE
Shaft,pilot
Michigan Dynamics Inc
4820-01-011-92478Z-V8LR-B(P) INTERCHANGEABLE
Valve,globe
Parker-Hannifin Corp Div Instrumentation Products Division
3030-01-069-16546521 INTERCHANGEABLE
Belt,v
Gates Corporation
5945-01-272-6192231B233DQP1 INTERCHANGEABLE
Relay,hybrid
General Electric Company Dba Ge
5210-01-435-69456521 INTERCHANGEABLE
Dividers,mechanics'
Central Tools, Inc.
5985-01-524-57726521 INTERCHANGEABLE
Antenna Subassembly
Spectrum Control Inc Div Weinschel
6515-01-560-6983123128 INTERCHANGEABLE
Airway,nasopharyngeal
Teleflex Llc
Cross-Reference Index
Part NumberManufacturer
NR11121M1 Skf Usa Inc. Dba Skf Aerospace Sealing Solutions (USA)
00044 Defense Logistics Agency Dba Defense Supply Center Philadelphia (USA)
6521 Skf Usa Inc. Dba Skf Aerospace Sealing Solutions (USA)
Related Parts
5330-00-014-6157INTERCHANGEABLE
GASKET
6521-101A
5935-00-068-4622INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
5960-00-810-3594INTERCHANGEABLE
ELECTRON TUBE
3040-00-918-8447INTERCHANGEABLE
SHAFT,PILOT
6521
4820-01-011-9247INTERCHANGEABLE
VALVE,GLOBE
8Z-V8LR-B(P)
3030-01-069-1654INTERCHANGEABLE
BELT,V
6521
5945-01-272-6192INTERCHANGEABLE
RELAY,HYBRID
231B233DQP1
5210-01-435-6945INTERCHANGEABLE
DIVIDERS,MECHANICS'
6521
5985-01-524-5772INTERCHANGEABLE
ANTENNA SUBASSEMBLY
6521
6515-01-560-6983INTERCHANGEABLE
AIRWAY,NASOPHARYNGEAL
123128
4940-01-572-4234INTERCHANGEABLE
LEAK DETECTOR,REFRIGERANT GAS
6521
4730-01-649-9025INTERCHANGEABLE
ADAPTER BUSHING
652-1

Frequently Asked Questions

What is NSN 5330-00-494-9966?

NSN 5330-00-494-9966 is a Seal,plain Encased, manufactured by Skf Usa Inc. Dba Skf Aerospace Sealing Solutions, classified under FSC 5330 (No Item Name Available). Status: active.

What are the part numbers for NSN 5330-00-494-9966?

NSN 5330-00-494-9966 has 3 cross-referenced part numbers: NR11121M1 (Skf Usa Inc. Dba Skf Aerospace Sealing Solutions), 00044 (Defense Logistics Agency Dba Defense Supply Center Philadelphia), 6521 (Skf Usa Inc. Dba Skf Aerospace Sealing Solutions).

What NSN replaces 5330-00-494-9966?

There are 12 known substitutes for 5330-00-494-9966: 5330-00-014-6157, 5935-00-068-4622, 5960-00-810-3594 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of NR11121M1?

Key specifications for NR11121M1: Case Style: SQUARE; Accommodated Shaft Diameter: 0.656 INCHES NOMINAL IN; Accommodated Shaft Maximum Rated Speed: 2000 FEET PER MINUTE FT; Sealing Element Style: ANGULAR. 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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