PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

66318Seal,plain

Dana Automotive Systems Group, Llc Dba Dana Sealing Products · NSN 5330-00-725-4376 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-00-725-4376 — this item is cataloged by the U.S. Government under National Stock Number 5330-00-725-4376. Primary manufacturer part number: 66318.
Features
  • Seal,plain — FSC 5330
  • Material: STEEL INTERNALLY MOLDED-IN REINFORCEMENT
  • Cross-Sectional Shape Style: DUAL LIP
  • Material: STEEL SPRING
  • Seal Width: 0.250 INCHES NOMINAL IN
  • Construction: SOLID
  • Accommodated Shaft Diameter: 1.125 INCHES NOMINAL IN
  • Housing Bore Diameter: 1.828 INCHES NOMINAL IN
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Applications requiring Steel Internally Molded-in Reinforcement construction
General Description

The Seal,plain, cataloged under National Stock Number 5330-00-725-4376, is classified within Federal Supply Class 5330 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Dana Automotive Systems Group, Llc Dba Dana Sealing Products. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5330-00-725-4376
Primary Part Number66318
Item NameSeal,plain
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerDana Automotive Systems Group, Llc Dba Dana Sealing Products
StatusACTIVE
MaterialSTEEL INTERNALLY MOLDED-IN REINFORCEMENT
Cross-Sectional Shape StyleDUAL LIP
MaterialSTEEL SPRING
Seal Width0.250 INCHES NOMINAL IN
ConstructionSOLID
Accommodated Shaft Diameter1.125 INCHES NOMINAL IN
Housing Bore Diameter1.828 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
6520-00-299-967149-1710 INTERCHANGEABLE
Forceps,dressing
Sklar Corporation Dba Sklar Instruments
5970-00-353-777066318 INTERCHANGEABLE
Plate
Briggs and Stratton Corp
5935-01-056-468866318/710338 INTERCHANGEABLE
Connector,receptacle,electrical
Unison Industries Llc
5945-01-107-863366318 INTERCHANGEABLE
Flasher,thermal
Dressta North America Ltd
5961-01-110-30361854-0456 INTERCHANGEABLE
Transistor
Keysight Technologies Inc
6105-01-555-8329 INTERCHANGEABLE
Motor,direct Current
6230-01-583-904666318 INTERCHANGEABLE
Flashlight
Streamlight Inc Dba Streamlight Inc
Cross-Reference Index
Part NumberManufacturer
66318 Dana Automotive Systems Group, Llc Dba Dana Sealing Products (USA)
00150 Defense Logistics Agency Dba Defense Supply Center Philadelphia (USA)
Related Parts
6520-00-299-9671INTERCHANGEABLE
FORCEPS,DRESSING
49-1710
5970-00-353-7770INTERCHANGEABLE
PLATE
66318
5935-01-056-4688INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
66318/710338
5945-01-107-8633INTERCHANGEABLE
FLASHER,THERMAL
66318
5961-01-110-3036INTERCHANGEABLE
TRANSISTOR
1854-0456
6105-01-555-8329INTERCHANGEABLE
MOTOR,DIRECT CURRENT
6230-01-583-9046INTERCHANGEABLE
FLASHLIGHT
66318

Frequently Asked Questions

What is NSN 5330-00-725-4376?

NSN 5330-00-725-4376 is a Seal,plain, manufactured by Dana Automotive Systems Group, Llc Dba Dana Sealing Products, classified under FSC 5330 (No Item Name Available). Status: active.

What are the part numbers for NSN 5330-00-725-4376?

NSN 5330-00-725-4376 has 2 cross-referenced part numbers: 66318 (Dana Automotive Systems Group, Llc Dba Dana Sealing Products), 00150 (Defense Logistics Agency Dba Defense Supply Center Philadelphia).

What NSN replaces 5330-00-725-4376?

There are 7 known substitutes for 5330-00-725-4376: 6520-00-299-9671, 5970-00-353-7770, 5935-01-056-4688 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 66318?

Key specifications for 66318: Material: STEEL INTERNALLY MOLDED-IN REINFORCEMENT; Cross-Sectional Shape Style: DUAL LIP; Material: STEEL SPRING; Seal Width: 0.250 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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