PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

340787Seal,plain

Federal-Mogul Corp Chassis Products Div · NSN 5330-00-928-0303 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-00-928-0303 — this item is cataloged by the U.S. Government under National Stock Number 5330-00-928-0303. Primary manufacturer part number: 340787.
Features
  • Seal,plain — FSC 5330
  • Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OR RUBBER POLYESTER URETHANE CLASS AU OR RUBBER POLYETHER URETHANE CLASS EU SEALING ELEMENT
  • Housing Bore Diameter: 1.375 INCHES NOMINAL IN
  • Cross-Sectional Shape Style: SINGLE LIP
  • Accommodated Shaft Diameter: 0.938 INCHES NOMINAL IN
  • Construction: SOLID
  • Seal Width: 0.250 INCHES NOMINAL IN
  • Material Document and Classification: ASTM D2000,5BG910A1B1E3 ASSN STD ALL MATERIAL RESPONSES SEALING ELEMENT
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Applications requiring Rubber Butadiene-Acrylonitrile Class Nbr or Rubber Polyester Urethane Class Au or Rubber Polyether Urethane Class Eu Sealing Element construction
General Description

The Seal,plain, cataloged under National Stock Number 5330-00-928-0303, is classified within Federal Supply Class 5330 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Federal-Mogul Corp Chassis Products Div. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 5 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
NSN5330-00-928-0303
Primary Part Number340787
Item NameSeal,plain
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerFederal-Mogul Corp Chassis Products Div
StatusCANCELLED
MaterialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OR RUBBER POLYESTER URETHANE CLASS AU OR RUBBER POLYETHER URETHANE CLASS EU SEALING ELEMENT
Housing Bore Diameter1.375 INCHES NOMINAL IN
Cross-Sectional Shape StyleSINGLE LIP
Accommodated Shaft Diameter0.938 INCHES NOMINAL IN
ConstructionSOLID
Seal Width0.250 INCHES NOMINAL IN
Material Document and ClassificationASTM D2000,5BG910A1B1E3 ASSN STD ALL MATERIAL RESPONSES SEALING ELEMENT
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5330-00-020-0205 INTERCHANGEABLE
Seal,plain Encased
5330-00-143-9666 INTERCHANGEABLE
Seal,plain Encased
5330-00-413-6426 INTERCHANGEABLE
Seal,plain Encased
5330-00-781-4525 INTERCHANGEABLE
Seal,plain Encased
5330-00-828-8522 INTERCHANGEABLE
Seal,plain Encased
5330-00-846-9838 INTERCHANGEABLE
Seal,plain Encased
5330-00-928-0302 INTERCHANGEABLE
Seal,plain Encased
5330-00-935-9225 INTERCHANGEABLE
Seal,plain Encased
5330-01-038-4802 INTERCHANGEABLE
Seal,plain Encased
5330-01-135-4173 INTERCHANGEABLE
Seal,plain Encased
Cross-Reference Index
Part NumberManufacturer
340787 Federal-Mogul Corp Chassis Products Div (USA)
A-A-52524/13-12B Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
A-A-52524/13 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
MS51001-12B Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
340787 Federal-Mogul Corp Government Sales Dept (USA)
578-3806-771405REVEPC14 Naval Ship Systems Command (USA)
340787R Federal-Mogul Corp Chassis Products Div (USA)
Related Parts
5330-00-020-0205INTERCHANGEABLE
SEAL,PLAIN ENCASED
5330-00-143-9666INTERCHANGEABLE
SEAL,PLAIN ENCASED
5330-00-413-6426INTERCHANGEABLE
SEAL,PLAIN ENCASED
5330-00-781-4525INTERCHANGEABLE
SEAL,PLAIN ENCASED
5330-00-828-8522INTERCHANGEABLE
SEAL,PLAIN ENCASED
5330-00-846-9838INTERCHANGEABLE
SEAL,PLAIN ENCASED
5330-00-928-0302INTERCHANGEABLE
SEAL,PLAIN ENCASED
5330-00-935-9225INTERCHANGEABLE
SEAL,PLAIN ENCASED
5330-01-038-4802INTERCHANGEABLE
SEAL,PLAIN ENCASED
5330-01-135-4173INTERCHANGEABLE
SEAL,PLAIN ENCASED
5330-01-498-0176INTERCHANGEABLE
SEAL,PLAIN ENCASED
5330-01-572-0655INTERCHANGEABLE
SEAL,PLAIN ENCASED

Frequently Asked Questions

What is NSN 5330-00-928-0303?

NSN 5330-00-928-0303 is a Seal,plain, manufactured by Federal-Mogul Corp Chassis Products Div, classified under FSC 5330 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5330-00-928-0303?

NSN 5330-00-928-0303 has 7 cross-referenced part numbers: 340787 (Federal-Mogul Corp Chassis Products Div), A-A-52524/13-12B (Federal Commercial Item Description Promulgated by General Services Administration Washington DC), A-A-52524/13 (Federal Commercial Item Description Promulgated by General Services Administration Washington DC), MS51001-12B (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), 340787 (Federal-Mogul Corp Government Sales Dept) and 2 more.

What NSN replaces 5330-00-928-0303?

There are 12 known substitutes for 5330-00-928-0303: 5330-00-020-0205, 5330-00-143-9666, 5330-00-413-6426 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 340787?

Key specifications for 340787: Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OR RUBBER POLYESTER URETHANE CLASS AU OR RUBBER POLYETHER URETHANE CLASS EU SEALING ELEMENT; Housing Bore Diameter: 1.375 INCHES NOMINAL IN; Cross-Sectional Shape Style: SINGLE LIP; Accommodated Shaft Diameter: 0.938 INCHES NOMINAL IN. 7 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5330-00-928-0303 still in active supply?

NSN 5330-00-928-0303 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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