PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

3-7955Seal,plain

American Tractor Equipment Corp · NSN 5330-00-920-4474 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-00-920-4474 — this item is cataloged by the U.S. Government under National Stock Number 5330-00-920-4474. Primary manufacturer part number: 3-7955.
Features
  • Seal,plain — FSC 5330
  • Material: STEEL SPRING
  • Construction: SOLID
  • Cross-Sectional Shape Style: SINGLE LIP
  • Seal Width: 0.375 INCHES NOMINAL IN
  • Accommodated Shaft Diameter: 5.260 INCHES NOMINAL IN
  • Material: RUBBER SYNTHETIC SEALING ELEMENT
  • Housing Bore Diameter: 6.060 INCHES NOMINAL IN
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Applications requiring Steel Spring construction
General Description

The Seal,plain, cataloged under National Stock Number 5330-00-920-4474, is classified within Federal Supply Class 5330 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is American Tractor Equipment Corp. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5330-00-920-4474
Primary Part Number3-7955
Item NameSeal,plain
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerAmerican Tractor Equipment Corp
StatusACTIVE
MaterialSTEEL SPRING
ConstructionSOLID
Cross-Sectional Shape StyleSINGLE LIP
Seal Width0.375 INCHES NOMINAL IN
Accommodated Shaft Diameter5.260 INCHES NOMINAL IN
MaterialRUBBER SYNTHETIC SEALING ELEMENT
Housing Bore Diameter6.060 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5961-00-152-79931N4588 INTERCHANGEABLE
Semiconductor Device,diode
Powerex, Inc.
5340-01-707-6496379-55 INTERCHANGEABLE
Clamp,loop
Rix Industries
Cross-Reference Index
Part NumberManufacturer
3-7955 American Tractor Equipment Corp (USA)
Related Parts
5961-00-152-7993INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
1N4588
5340-01-707-6496INTERCHANGEABLE
CLAMP,LOOP
379-55

Frequently Asked Questions

What is NSN 5330-00-920-4474?

NSN 5330-00-920-4474 is a Seal,plain, manufactured by American Tractor Equipment Corp, classified under FSC 5330 (No Item Name Available). Status: active.

What are the part numbers for NSN 5330-00-920-4474?

NSN 5330-00-920-4474 has 1 cross-referenced part number: 3-7955 (American Tractor Equipment Corp).

What NSN replaces 5330-00-920-4474?

There are 2 known substitutes for 5330-00-920-4474: 5961-00-152-7993, 5340-01-707-6496. Verify interchangeability with system specifications before substitution.

What are the specifications of 3-7955?

Key specifications for 3-7955: Material: STEEL SPRING; Construction: SOLID; Cross-Sectional Shape Style: SINGLE LIP; Seal Width: 0.375 INCHES NOMINAL IN. 7 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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