PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

12508Seal,plain Encased

Skf Usa Inc. Dba Skf Aerospace Sealing Solutions · NSN 5330-00-220-1826 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-00-220-1826 — this item is cataloged by the U.S. Government under National Stock Number 5330-00-220-1826. Primary manufacturer part number: 12508.
Features
  • Seal,plain Encased — FSC 5330
  • Accommodated Shaft Diameter: 1.250 INCHES NOMINAL IN
  • Housing Bore Diameter: 2.063 INCHES NOMINAL IN
  • Material: RUBBER SYNTHETIC SEALING ELEMENT
  • Sealing Element Style: ANGULAR
  • Surface Treatment: PLASTIC CASE
  • Material: STEEL CASE
  • Case Style: SQUARE
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 5330-00-220-1826, 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 11 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
NSN5330-00-220-1826
Primary Part Number12508
Item NameSeal,plain Encased
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerSkf Usa Inc. Dba Skf Aerospace Sealing Solutions
StatusACTIVE
Accommodated Shaft Diameter1.250 INCHES NOMINAL IN
Housing Bore Diameter2.063 INCHES NOMINAL IN
MaterialRUBBER SYNTHETIC SEALING ELEMENT
Sealing Element StyleANGULAR
Surface TreatmentPLASTIC CASE
MaterialSTEEL CASE
Case StyleSQUARE
Outside Diameter2.066 INCHES NOMINAL IN
Seal Width0.250 INCHES NOMINAL IN
Accommodated Shaft Maximum Rated Speed2000 FEET PER MINUTE FT
Temp Rating-65.0 FAHRENHEIT AND 225.0 FAHRENHEIT DEGF
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
3110-00-100-07371193749 INTERCHANGEABLE
Cone and Rollers,tapered Roller
Chrysler Realty Company Llc Dba Daimler Chrysler
8135-00-238-6917 INTERCHANGEABLE
Tag,shipping
6105-00-328-010512-508 INTERCHANGEABLE
Lobe Cone,pump
Ontic Engineering & Manufacturing, Inc Dba Ontic Us
5330-00-353-097712508 INTERCHANGEABLE
Gasket
Tiffin Parts, L.l.c. Div Subsidiary of Pettibone Corp.
5360-00-664-5340 INTERCHANGEABLE
Spring,helical,compression
5310-00-728-5521MS21078-6 INTERCHANGEABLE
Nut,self-Locking,plate
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
2990-00-937-1924T-12508 INTERCHANGEABLE
Muffler,exhaust
Cummins Filtration Inc.
5330-01-043-562212741-2 INTERCHANGEABLE
Gasket
Aerco International, Inc. Dba Aerco International Inc
6515-01-103-2824 INTERCHANGEABLE
Bone Plate
3040-01-270-496812508 INTERCHANGEABLE
Parts Kit,linear Actuating Cylin
Texas Hydraulics, Inc.
Cross-Reference Index
Part NumberManufacturer
12508 PRIMARY Skf Usa Inc. Dba Skf Aerospace Sealing Solutions (USA)
636139 Am General Llc (USA)
803900 Am General Llc (USA)
Related Parts
3110-00-100-0737INTERCHANGEABLE
CONE AND ROLLERS,TAPERED ROLLER
1193749
8135-00-238-6917INTERCHANGEABLE
TAG,SHIPPING
6105-00-328-0105INTERCHANGEABLE
LOBE CONE,PUMP
12-508
5330-00-353-0977INTERCHANGEABLE
GASKET
12508
5360-00-664-5340INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
5310-00-728-5521INTERCHANGEABLE
NUT,SELF-LOCKING,PLATE
MS21078-6
2990-00-937-1924INTERCHANGEABLE
MUFFLER,EXHAUST
T-12508
5330-01-043-5622INTERCHANGEABLE
GASKET
12741-2
6515-01-103-2824INTERCHANGEABLE
BONE PLATE
3040-01-270-4968INTERCHANGEABLE
PARTS KIT,LINEAR ACTUATING CYLIN
12508
5305-01-273-4980INTERCHANGEABLE
SCREW,CAP,SOCKET HEAD
12508
4140-01-366-0336INTERCHANGEABLE
FAN,TUBEAXIAL
12508

Frequently Asked Questions

What is NSN 5330-00-220-1826?

NSN 5330-00-220-1826 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 5330-00-220-1826?

NSN 5330-00-220-1826 has 3 cross-referenced part numbers: 12508 (Skf Usa Inc. Dba Skf Aerospace Sealing Solutions), 636139 (Am General Llc), 803900 (Am General Llc).

What NSN replaces 5330-00-220-1826?

There are 12 known substitutes for 5330-00-220-1826: 3110-00-100-0737, 8135-00-238-6917, 6105-00-328-0105 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 12508?

Key specifications for 12508: Accommodated Shaft Diameter: 1.250 INCHES NOMINAL IN; Housing Bore Diameter: 2.063 INCHES NOMINAL IN; Material: RUBBER SYNTHETIC SEALING ELEMENT; Sealing Element Style: ANGULAR. 11 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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