PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

11556Seal,plain Encased

Skf Usa Inc. Dba Skf Aerospace Sealing Solutions · NSN 5330-00-419-6556 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-00-419-6556 — this item is cataloged by the U.S. Government under National Stock Number 5330-00-419-6556. Primary manufacturer part number: 11556.
Features
  • Seal,plain Encased — FSC 5330
  • Accommodated Shaft Diameter: 1.156 INCHES NOMINAL IN
  • Sealing Element Style: ANGULAR
  • Accommodated Shaft Maximum Rated Speed: 2000 FEET PER MINUTE FT
  • Material: RUBBER SYNTHETIC SEALING ELEMENT
  • Temp Rating: -65.0 FAHRENHEIT AND 225.0 FAHRENHEIT DEGF
  • Case Style: SQUARE
  • Housing Bore Diameter: 2.062 INCHES NOMINAL 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 5330-00-419-6556, 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 9 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. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5330-00-419-6556
Primary Part Number11556
Item NameSeal,plain Encased
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerSkf Usa Inc. Dba Skf Aerospace Sealing Solutions
StatusACTIVE
Accommodated Shaft Diameter1.156 INCHES NOMINAL IN
Sealing Element StyleANGULAR
Accommodated Shaft Maximum Rated Speed2000 FEET PER MINUTE FT
MaterialRUBBER SYNTHETIC SEALING ELEMENT
Temp Rating-65.0 FAHRENHEIT AND 225.0 FAHRENHEIT DEGF
Case StyleSQUARE
Housing Bore Diameter2.062 INCHES NOMINAL IN
Seal Width0.438 INCHES NOMINAL IN
MaterialSTEEL CASE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
5120-00-144-208451201442084 INTERCHANGEABLE
Chuck,socket
Timber Edge Machine Inc.
5133-00-232-2866 INTERCHANGEABLE
Drill,twist
5815-00-547-7876SM-B-186901GP2 INTERCHANGEABLE
Bar,punch,teletypewriter
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
5305-00-579-101211556 INTERCHANGEABLE
Screw,externally Relieved Body
Eaton Corp Dba Eaton Aerospace Jackson
3441-01-075-5787C3915-5-6 INTERCHANGEABLE
Block,bend Radius
Lockheed Martin Corporation Div Lockheed Martin Aeronautics Company
5950-01-099-5014986199-2B INTERCHANGEABLE
Saturable Reactor
Raytheon Company Dba Raytheon
4933-01-686-59121-1556 INTERCHANGEABLE
Boresighting Equipment,weapon
Graflex Inc
Cross-Reference Index
Part NumberManufacturer
11556 Skf Usa Inc. Dba Skf Aerospace Sealing Solutions (USA)
2528242-2 Naval Ship Systems Command (USA)
Related Parts
5120-00-144-2084INTERCHANGEABLE
CHUCK,SOCKET
51201442084
5133-00-232-2866INTERCHANGEABLE
DRILL,TWIST
5815-00-547-7876INTERCHANGEABLE
BAR,PUNCH,TELETYPEWRITER
SM-B-186901GP2
5305-00-579-1012INTERCHANGEABLE
SCREW,EXTERNALLY RELIEVED BODY
11556
3441-01-075-5787INTERCHANGEABLE
BLOCK,BEND RADIUS
C3915-5-6
5950-01-099-5014INTERCHANGEABLE
SATURABLE REACTOR
986199-2B
4933-01-686-5912INTERCHANGEABLE
BORESIGHTING EQUIPMENT,WEAPON
1-1556

Frequently Asked Questions

What is NSN 5330-00-419-6556?

NSN 5330-00-419-6556 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 5330-00-419-6556?

NSN 5330-00-419-6556 has 2 cross-referenced part numbers: 11556 (Skf Usa Inc. Dba Skf Aerospace Sealing Solutions), 2528242-2 (Naval Ship Systems Command).

What NSN replaces 5330-00-419-6556?

There are 7 known substitutes for 5330-00-419-6556: 5120-00-144-2084, 5133-00-232-2866, 5815-00-547-7876 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 11556?

Key specifications for 11556: Accommodated Shaft Diameter: 1.156 INCHES NOMINAL IN; Special Features: WITH PROTECTIVE INNER CASE; Sealing Element Style: ANGULAR; Accommodated Shaft Maximum Rated Speed: 2000 FEET PER MINUTE FT. 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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