PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

11443Seal,plain

Marco Seattle Inc Dba Marco · NSN 5330-01-260-5657 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-01-260-5657 — this item is cataloged by the U.S. Government under National Stock Number 5330-01-260-5657. Primary manufacturer part number: 11443.
Features
  • Seal,plain — FSC 5330
  • 1 verified cross-reference
  • Primary manufacturer: Marco Seattle Inc Dba Marco
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
General Description

The Seal,plain, cataloged under National Stock Number 5330-01-260-5657, is classified within Federal Supply Class 5330 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Marco Seattle Inc Dba Marco. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameSeal,plain
FSC / FSG5330 — No Item Name Available (FSG 53)
ManufacturersMarco Seattle Inc Dba Marco (CAGE 09608)
Technical Specifications
ParameterValue
NSN5330-01-260-5657
Primary Part Number11443
Item NameSeal,plain
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerMarco Seattle Inc Dba Marco
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 11
5133-00-189-9247 INTERCHANGEABLE
Drill,twist
5930-00-208-3673 INTERCHANGEABLE
Switch,motor Driven
5120-00-224-4130 INTERCHANGEABLE
Hammer,hand
5136-00-228-1007 INTERCHANGEABLE
Tap,thread Cutting
5915-00-377-5733823134 INTERCHANGEABLE
Filter,radio Frequency Interfere
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
5963-01-210-566711443 INTERCHANGEABLE
Electronic Module,standardized
Nautel C-Tech Limited
5340-01-220-129311443 INTERCHANGEABLE
Plunger,detent
DP Manufacturing Inc.
5360-01-285-062611443 INTERCHANGEABLE
Spring,helical,compression
O F Mossberg & Sons Inc
5315-01-342-51061144-3 INTERCHANGEABLE
Pin,shoulder,headless
Hollingsead International, Llc
5330-01-379-043511443 INTERCHANGEABLE
Gasket
Bourns Inc
Cross-Reference Index
Part NumberManufacturer
11443 PRIMARY Marco Seattle Inc Dba Marco (USA)
Related Parts
5133-00-189-9247INTERCHANGEABLE
DRILL,TWIST
5930-00-208-3673INTERCHANGEABLE
SWITCH,MOTOR DRIVEN
5120-00-224-4130INTERCHANGEABLE
HAMMER,HAND
5136-00-228-1007INTERCHANGEABLE
TAP,THREAD CUTTING
5915-00-377-5733INTERCHANGEABLE
FILTER,RADIO FREQUENCY INTERFERE
823134
5963-01-210-5667INTERCHANGEABLE
ELECTRONIC MODULE,STANDARDIZED
11443
5340-01-220-1293INTERCHANGEABLE
PLUNGER,DETENT
11443
5360-01-285-0626INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
11443
5315-01-342-5106INTERCHANGEABLE
PIN,SHOULDER,HEADLESS
1144-3
5330-01-379-0435INTERCHANGEABLE
GASKET
11443
7643-01-404-5396INTERCHANGEABLE
TOPOGRAPHIC GEOSPATIAL PRODUCTS
1144 3

Frequently Asked Questions

What is NSN 5330-01-260-5657?

NSN 5330-01-260-5657 is a Seal,plain, manufactured by Marco Seattle Inc Dba Marco, classified under FSC 5330 (No Item Name Available). Status: active.

What are the part numbers for NSN 5330-01-260-5657?

NSN 5330-01-260-5657 has 1 cross-referenced part number: 11443 (Marco Seattle Inc Dba Marco).

What NSN replaces 5330-01-260-5657?

There are 11 known substitutes for 5330-01-260-5657: 5133-00-189-9247, 5930-00-208-3673, 5120-00-224-4130 and 8 more. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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