PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

23321Window,dial

Undersea Sensor Systems Inc Div Ultra Sonobuoy Systems · NSN 5355-00-685-4337 · FSC 5355 · No Item Name Available
Verified by PartsTable
NSN 5355-00-685-4337 — this item is cataloged by the U.S. Government under National Stock Number 5355-00-685-4337. Primary manufacturer part number: 23321.
Features
  • Window,dial — FSC 5355
  • Style Designator: ROUND
  • Outside Diameter: 2.985 INCHES MINIMUM AND 2.995 INCHES MAXIMUM IN
  • Material Thickness: 0.125 INCHES NOMINAL IN
  • Attachment Method: RETAINING RING
  • Material: GLASS
  • 1 verified cross-reference
  • Primary manufacturer: Undersea Sensor Systems Inc Div Ultra Sonobuoy Systems
Applications
  • Applications requiring Glass construction
General Description

The Window,dial, cataloged under National Stock Number 5355-00-685-4337, is classified within Federal Supply Class 5355 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Undersea Sensor Systems Inc Div Ultra Sonobuoy Systems. Government technical data includes 5 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. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5355-00-685-4337
Primary Part Number23321
Item NameWindow,dial
FSC / FSG5355 / 53 — No Item Name Available
ManufacturerUndersea Sensor Systems Inc Div Ultra Sonobuoy Systems
StatusACTIVE
Style DesignatorROUND
Outside Diameter2.985 INCHES MINIMUM AND 2.995 INCHES MAXIMUM IN
Material Thickness0.125 INCHES NOMINAL IN
Attachment MethodRETAINING RING
MaterialGLASS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
2920-00-316-75912332-1 INTERCHANGEABLE
Housing,air Startin
Cummins Inc.
5365-00-401-9318 INTERCHANGEABLE
Bushing,pump
6210-01-225-1365 INTERCHANGEABLE
Light,indicator
4030-01-308-930923321 INTERCHANGEABLE
Shackle
Mjt Holdings Llc
2530-01-373-4147 INTERCHANGEABLE
Adjusting Screw,brake Shoe
5995-01-517-0510 INTERCHANGEABLE
Wiring Harness
Cross-Reference Index
Part NumberManufacturer
23321 PRIMARY Undersea Sensor Systems Inc Div Ultra Sonobuoy Systems (USA)
Related Parts
2920-00-316-7591INTERCHANGEABLE
HOUSING,AIR STARTIN
2332-1
5365-00-401-9318INTERCHANGEABLE
BUSHING,PUMP
6210-01-225-1365INTERCHANGEABLE
LIGHT,INDICATOR
4030-01-308-9309INTERCHANGEABLE
SHACKLE
23321
2530-01-373-4147INTERCHANGEABLE
ADJUSTING SCREW,BRAKE SHOE
5995-01-517-0510INTERCHANGEABLE
WIRING HARNESS

Frequently Asked Questions

What is NSN 5355-00-685-4337?

NSN 5355-00-685-4337 is a Window,dial, manufactured by Undersea Sensor Systems Inc Div Ultra Sonobuoy Systems, classified under FSC 5355 (No Item Name Available). Status: active.

What are the part numbers for NSN 5355-00-685-4337?

NSN 5355-00-685-4337 has 1 cross-referenced part number: 23321 (Undersea Sensor Systems Inc Div Ultra Sonobuoy Systems).

What NSN replaces 5355-00-685-4337?

There are 6 known substitutes for 5355-00-685-4337: 2920-00-316-7591, 5365-00-401-9318, 6210-01-225-1365 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 23321?

Key specifications for 23321: Style Designator: ROUND; Outside Diameter: 2.985 INCHES MINIMUM AND 2.995 INCHES MAXIMUM IN; Material Thickness: 0.125 INCHES NOMINAL IN; Attachment Method: RETAINING RING. 5 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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