PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

12530Seal,plain Encased

Skf Usa Inc. Dba Skf Aerospace Sealing Solutions · NSN 5330-00-297-6253 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-00-297-6253 — this item is cataloged by the U.S. Government under National Stock Number 5330-00-297-6253. Primary manufacturer part number: 12530.
Features
  • Seal,plain Encased — FSC 5330
  • Accommodated Shaft Diameter: 2.438 INCHES NOMINAL IN
  • Material: STEEL CASE
  • Outside Diameter: 2.066 INCHES NOMINAL IN
  • Case Style: SQUARE
  • Sealing Element Style: ANGULAR
  • Housing Bore Diameter: 5.7435 INCHES MINIMUM AND 5.7465 INCHES MAXIMUM IN
  • Seal Width: 0.735 INCHES MINIMUM AND 0.765 INCHES MAXIMUM IN
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Applications requiring Steel Case construction
General Description

The Seal,plain Encased, cataloged under National Stock Number 5330-00-297-6253, 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 7 commercial cross-references from 7 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5330-00-297-6253
Primary Part Number12530
Item NameSeal,plain Encased
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerSkf Usa Inc. Dba Skf Aerospace Sealing Solutions
StatusCANCELLED
Accommodated Shaft Diameter2.438 INCHES NOMINAL IN
MaterialSTEEL CASE
Outside Diameter2.066 INCHES NOMINAL IN
Case StyleSQUARE
Sealing Element StyleANGULAR
Housing Bore Diameter5.7435 INCHES MINIMUM AND 5.7465 INCHES MAXIMUM IN
Seal Width0.735 INCHES MINIMUM AND 0.765 INCHES MAXIMUM IN
Nondefinitive Spec/std Data1 2 OR 3 CLASS
Surface TreatmentPLASTIC CASE
MaterialRUBBER SYNTHETIC AND LEATHER SEALING ELEMENT
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5985-00-189-226312530 INTERCHANGEABLE
Switch,waveguide
Mercury Commercial Electronics, Inc. Dba Micronetics
5960-00-272-8550 INTERCHANGEABLE
Electron Tube
5330-00-292-163121015 INTERCHANGEABLE
Seal,plain Encased
Tulsa Winch, Inc.
5905-00-330-4374267619 INTERCHANGEABLE
Resistance Element
Cae Usa Inc.
4730-00-359-9013B-1371 INTERCHANGEABLE
Inverted Nut,tube Coupling
Bijur Lubricating Corp
2805-00-364-6835005906 INTERCHANGEABLE
Plate,heat Riser
Caterpillar Inc Div Caterpillar Defense
5340-00-404-4101COV-1313 INTERCHANGEABLE
Clamp,loop
Kickhaefer Manufacturing Company, Llc Dba Kickhaefer Manufacturing Co
5950-00-421-909070096 INTERCHANGEABLE
Transformer,pulse
Vanguard Electronics, Llc
5960-00-615-5679 INTERCHANGEABLE
Electron Tube
3120-00-661-474112530 INTERCHANGEABLE
Bearing,washer,thrust
Jay Bee Machine Works, Inc
Cross-Reference Index
Part NumberManufacturer
668959 Diamond Reo Truck Co (USA)
5906 Federal-Mogul Corp Government Sales Dept (USA)
2095544 General Motors Corp (USA)
12530 PRIMARY Skf Usa Inc. Dba Skf Aerospace Sealing Solutions (USA)
49858 Dana Automotive Systems Group, Llc Dba Dana Sealing Products (USA)
668959 Sasco Inc Canadian Div
2095544 General Motors Llc Dba General Motors Llc (USA)
Related Parts
5985-00-189-2263INTERCHANGEABLE
SWITCH,WAVEGUIDE
12530
5960-00-272-8550INTERCHANGEABLE
ELECTRON TUBE
5330-00-292-1631INTERCHANGEABLE
SEAL,PLAIN ENCASED
21015
5905-00-330-4374INTERCHANGEABLE
RESISTANCE ELEMENT
267619
4730-00-359-9013INTERCHANGEABLE
INVERTED NUT,TUBE COUPLING
B-1371
2805-00-364-6835INTERCHANGEABLE
PLATE,HEAT RISER
005906
5340-00-404-4101INTERCHANGEABLE
CLAMP,LOOP
COV-1313
5950-00-421-9090INTERCHANGEABLE
TRANSFORMER,PULSE
70096
5960-00-615-5679INTERCHANGEABLE
ELECTRON TUBE
3120-00-661-4741INTERCHANGEABLE
BEARING,WASHER,THRUST
12530
1650-00-719-6238INTERCHANGEABLE
VALVE,SPECIAL
5906
2520-00-737-4903INTERCHANGEABLE
POWER TAKE OFF
1268842

Frequently Asked Questions

What is NSN 5330-00-297-6253?

NSN 5330-00-297-6253 is a Seal,plain Encased, manufactured by Skf Usa Inc. Dba Skf Aerospace Sealing Solutions, classified under FSC 5330 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5330-00-297-6253?

NSN 5330-00-297-6253 has 7 cross-referenced part numbers: 668959 (Diamond Reo Truck Co), 5906 (Federal-Mogul Corp Government Sales Dept), 2095544 (General Motors Corp), 12530 (Skf Usa Inc. Dba Skf Aerospace Sealing Solutions), 49858 (Dana Automotive Systems Group, Llc Dba Dana Sealing Products) and 2 more.

What NSN replaces 5330-00-297-6253?

There are 12 known substitutes for 5330-00-297-6253: 5985-00-189-2263, 5960-00-272-8550, 5330-00-292-1631 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 12530?

Key specifications for 12530: Special Features: FLANGE ON OUTER CASING; Accommodated Shaft Diameter: 2.438 INCHES NOMINAL IN; Material: STEEL CASE; Outside Diameter: 2.066 INCHES NOMINAL IN. 11 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5330-00-297-6253 still in active supply?

NSN 5330-00-297-6253 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.
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