PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

21636Ring,e,pansion

Undersea Sensor Systems Inc Div Ultra Sonobuoy Systems · NSN 5365-00-572-7360 · FSC 5365 · No Item Name Available
Verified by PartsTable
NSN 5365-00-572-7360 — this item is cataloged by the U.S. Government under National Stock Number 5365-00-572-7360. Primary manufacturer part number: 21636.
Features
  • Ring,e,pansion — FSC 5365
  • 1 verified cross-reference
  • Primary manufacturer: Undersea Sensor Systems Inc Div Ultra Sonobuoy Systems
Applications
  • General assembly and fastening
  • Structural repair and reinforcement
  • Facility maintenance hardware
General Description

The Ring,e,pansion, cataloged under National Stock Number 5365-00-572-7360, is classified within Federal Supply Class 5365 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Undersea Sensor Systems Inc Div Ultra Sonobuoy Systems. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameRing,e,pansion
FSC / FSG5365 — No Item Name Available (FSG 53)
ManufacturersUndersea Sensor Systems Inc Div Ultra Sonobuoy Systems (CAGE 50027)
Technical Specifications
ParameterValue
NSN5365-00-572-7360
Primary Part Number21636
Item NameRing,e,pansion
FSC / FSG5365 / 53 — No Item Name Available
ManufacturerUndersea Sensor Systems Inc Div Ultra Sonobuoy Systems
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
6340-00-024-214021636 INTERCHANGEABLE
Fault Assy,positive
Hamilton Sundstrand Corporation Dba Collins Aerospace
3110-00-151-91323-32GRADE3 INTERCHANGEABLE
Ball,bearing
Skf Usa Inc.
5360-00-597-2188 INTERCHANGEABLE
Spring,helical,extension
5342-00-865-3746L64-BA-20 INTERCHANGEABLE
Mount,resilient,weapon System
Hutchinson Aerospace & Industry, Inc. Dba Barry Wright Corp
5340-00-910-8105216-36 INTERCHANGEABLE
Grip,handle
Fl Industries Inc Pneumotive Div
4210-01-133-9053438735 INTERCHANGEABLE
Extinguisher,fire
Tyco Fire Products Lp
5915-01-330-538610073-7315 INTERCHANGEABLE
Filter,band Pass
L3harris Technologies, Inc. Dba Harris Corp Div Harris Defense Communications
2930-01-411-623521636 INTERCHANGEABLE
Impeller,pump,centrifugal
Industrial Technologies and Services Llc
5905-01-479-610221636 INTERCHANGEABLE
Resistor,thermal
Rdf Corporation
4720-01-728-745921636 INTERCHANGEABLE
Hose Assembly Set,nonmetallic
Ritchie Engineering Co Inc
Cross-Reference Index
Part NumberManufacturer
21636 PRIMARY Undersea Sensor Systems Inc Div Ultra Sonobuoy Systems (USA)
Related Parts
6340-00-024-2140INTERCHANGEABLE
FAULT ASSY,POSITIVE
21636
3110-00-151-9132INTERCHANGEABLE
BALL,BEARING
3-32GRADE3
5360-00-597-2188INTERCHANGEABLE
SPRING,HELICAL,EXTENSION
5342-00-865-3746INTERCHANGEABLE
MOUNT,RESILIENT,WEAPON SYSTEM
L64-BA-20
5340-00-910-8105INTERCHANGEABLE
GRIP,HANDLE
216-36
4210-01-133-9053INTERCHANGEABLE
EXTINGUISHER,FIRE
438735
5915-01-330-5386INTERCHANGEABLE
FILTER,BAND PASS
10073-7315
2930-01-411-6235INTERCHANGEABLE
IMPELLER,PUMP,CENTRIFUGAL
21636
5905-01-479-6102INTERCHANGEABLE
RESISTOR,THERMAL
21636
4720-01-728-7459INTERCHANGEABLE
HOSE ASSEMBLY SET,NONMETALLIC
21636

Frequently Asked Questions

What is NSN 5365-00-572-7360?

NSN 5365-00-572-7360 is a Ring,e,pansion, manufactured by Undersea Sensor Systems Inc Div Ultra Sonobuoy Systems, classified under FSC 5365 (No Item Name Available). Status: active.

What are the part numbers for NSN 5365-00-572-7360?

NSN 5365-00-572-7360 has 1 cross-referenced part number: 21636 (Undersea Sensor Systems Inc Div Ultra Sonobuoy Systems).

What NSN replaces 5365-00-572-7360?

There are 10 known substitutes for 5365-00-572-7360: 6340-00-024-2140, 3110-00-151-9132, 5360-00-597-2188 and 7 more. Verify interchangeability with system specifications before substitution.

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