PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

7451Seal,plain Encased

Skf Usa Inc. Dba Skf Aerospace Sealing Solutions · NSN 5330-00-507-8346 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-00-507-8346 — this item is cataloged by the U.S. Government under National Stock Number 5330-00-507-8346. Primary manufacturer part number: 7451.
Features
  • Seal,plain Encased — FSC 5330
  • Housing Bore Diameter: 1.250 INCHES NOMINAL1.250 INCHES NOMINAL IN
  • Seal Width: 0.375 INCHES NOMINAL0.375 INCHES NOMINAL IN
  • Material: RUBBER SYNTHETIC SEALING ELEMENT B
  • Surface Treatment: PLASTIC CASEPLASTIC CASE
  • Accommodated Shaft Maximum Rated Speed: 2000 FEET PER MINUTE2000 FEET PER MINUTE FT
  • Accommodated Shaft Diameter: 0.750 INCHES NOMINAL0.750 INCHES NOMINAL IN
  • Material: RUBBER SYNTHETIC SEALING ELEMENT A
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Applications requiring Rubber Synthetic Sealing Element B construction
General Description

The Seal,plain Encased, cataloged under National Stock Number 5330-00-507-8346, 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 1 manufacturer, 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
NSN5330-00-507-8346
Primary Part Number7451
Item NameSeal,plain Encased
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerSkf Usa Inc. Dba Skf Aerospace Sealing Solutions
StatusCANCELLED
Housing Bore Diameter1.250 INCHES NOMINAL1.250 INCHES NOMINAL IN
Seal Width0.375 INCHES NOMINAL0.375 INCHES NOMINAL IN
MaterialRUBBER SYNTHETIC SEALING ELEMENT B
Surface TreatmentPLASTIC CASEPLASTIC CASE
Accommodated Shaft Maximum Rated Speed2000 FEET PER MINUTE2000 FEET PER MINUTE FT
Accommodated Shaft Diameter0.750 INCHES NOMINAL0.750 INCHES NOMINAL IN
MaterialRUBBER SYNTHETIC SEALING ELEMENT A
Outside Diameter1.254 INCHES NOMINAL1.254 INCHES NOMINAL IN
MaterialSTEEL CASE
Case StyleSQUARESQUARE
Sealing Element StyleANGULAR-OPPOSEDANGULAR-OPPOSED
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
4820-00-231-07947449 INTERCHANGEABLE
Stem,fluid Valve
Elkay Mfg Co Water Cooler Div
5962-00-369-7831 INTERCHANGEABLE
Microcircuit,digital
3110-00-602-44487131061-01 INTERCHANGEABLE
Ball,bearing
Warner Robins Air Logistics Center
5995-00-608-5507121-1001-38 INTERCHANGEABLE
Wiring Harness,branched
Tabet Manufacturing Company, Inc. Dba Tabet Manufacturing Co Inc
5975-00-779-2748101-000-202 INTERCHANGEABLE
Mounting Base,electrical Equipme
Dare Electronics, Inc.
6105-01-014-466980D-0287 INTERCHANGEABLE
Motor,direct Current
Motor Magnetics, Inc. Dba Motor Magnetics Corp
5996-01-014-85597449-1 INTERCHANGEABLE
Amplifier Subassembly
Drs Signal Solutions, Inc.
2920-01-024-6213 INTERCHANGEABLE
Ignition Set
5935-01-344-31362000244-3 INTERCHANGEABLE
Connector,receptacle,electrical
Westest Engineering Corporation Dba Westest
5345-01-438-2059 INTERCHANGEABLE
Disk,abrasive
Cross-Reference Index
Part NumberManufacturer
7451 PRIMARY Skf Usa Inc. Dba Skf Aerospace Sealing Solutions (USA)
125AH24Q6 Skf Usa Inc. Dba Skf Aerospace Sealing Solutions (USA)
7449 PRIMARY Skf Usa Inc. Dba Skf Aerospace Sealing Solutions (USA)
Related Parts
4820-00-231-0794INTERCHANGEABLE
STEM,FLUID VALVE
7449
5962-00-369-7831INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
3110-00-602-4448INTERCHANGEABLE
BALL,BEARING
7131061-01
5995-00-608-5507INTERCHANGEABLE
WIRING HARNESS,BRANCHED
121-1001-38
5975-00-779-2748INTERCHANGEABLE
MOUNTING BASE,ELECTRICAL EQUIPME
101-000-202
6105-01-014-4669INTERCHANGEABLE
MOTOR,DIRECT CURRENT
80D-0287
5996-01-014-8559INTERCHANGEABLE
AMPLIFIER SUBASSEMBLY
7449-1
2920-01-024-6213INTERCHANGEABLE
IGNITION SET
5935-01-344-3136INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
2000244-3
5345-01-438-2059INTERCHANGEABLE
DISK,ABRASIVE
6910-01-470-6255INTERCHANGEABLE
TRAINING AID,SMALL ARMS WEAPON
57451
4110-01-534-4981INTERCHANGEABLE
REFRIGERATOR-FREEZER,MECHANICAL,
7451

Frequently Asked Questions

What is NSN 5330-00-507-8346?

NSN 5330-00-507-8346 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 5330-00-507-8346?

NSN 5330-00-507-8346 has 3 cross-referenced part numbers: 7451 (Skf Usa Inc. Dba Skf Aerospace Sealing Solutions), 125AH24Q6 (Skf Usa Inc. Dba Skf Aerospace Sealing Solutions), 7449 (Skf Usa Inc. Dba Skf Aerospace Sealing Solutions).

What NSN replaces 5330-00-507-8346?

There are 12 known substitutes for 5330-00-507-8346: 4820-00-231-0794, 5962-00-369-7831, 3110-00-602-4448 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 7451?

Key specifications for 7451: Housing Bore Diameter: 1.250 INCHES NOMINAL1.250 INCHES NOMINAL IN; Seal Width: 0.375 INCHES NOMINAL0.375 INCHES NOMINAL IN; Material: RUBBER SYNTHETIC SEALING ELEMENT B; Surface Treatment: PLASTIC CASEPLASTIC CASE. 11 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5330-00-507-8346 still in active supply?

NSN 5330-00-507-8346 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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