PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

50573Ring,electrical Contact

Undersea Sensor Systems Inc Div Ultra Sonobuoy Systems · NSN 5977-01-328-4879 · FSC 5977 · No Item Name Available
Verified by PartsTable
NSN 5977-01-328-4879 — this item is cataloged by the U.S. Government under National Stock Number 5977-01-328-4879. Primary manufacturer part number: 50573.
Features
  • Ring,electrical Contact — FSC 5977
  • Material: ALUMINUM
  • Inside Diameter: 0.440 INCHES MINIMUM AND 0.445 INCHES MAXIMUM IN
  • 1 verified cross-reference
  • Primary manufacturer: Undersea Sensor Systems Inc Div Ultra Sonobuoy Systems
Applications
  • Applications requiring Aluminum construction
General Description

The Ring,electrical Contact, cataloged under National Stock Number 5977-01-328-4879, is classified within Federal Supply Class 5977 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Undersea Sensor Systems Inc Div Ultra Sonobuoy Systems. Government technical data includes 2 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. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5977-01-328-4879
Primary Part Number50573
Item NameRing,electrical Contact
FSC / FSG5977 / 59 — No Item Name Available
ManufacturerUndersea Sensor Systems Inc Div Ultra Sonobuoy Systems
StatusACTIVE
MaterialALUMINUM
Inside Diameter0.440 INCHES MINIMUM AND 0.445 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
5930-00-008-70175057-3 INTERCHANGEABLE
Switch Assembly
General Microwave Corporation Div Kratos Microwave Electronics
5950-00-165-2596377164 INTERCHANGEABLE
Transformer,power
Raytheon Company Dba Raytheon Co
3455-00-224-8923 INTERCHANGEABLE
File,rotary
3110-00-227-460401611-3500 INTERCHANGEABLE
Bearing,ball,annular
Watts Regulator Company
5360-00-253-72512274152 INTERCHANGEABLE
Spring,helical,compression
General Motors Llc Dba General Motors Llc
4520-00-878-390450573 INTERCHANGEABLE
Heating Element,electrical,nonim
Wells Mfg Co
5315-01-069-513621049 INTERCHANGEABLE
Pin
Paccar Winch Inc Dba Paccar Winch Division
8455-01-554-181150573 INTERCHANGEABLE
Holder,badge
General Binding Corporation Dba G B C
1550-01-567-113350573 INTERCHANGEABLE
Unmanned Aircraft
Aerovironment, Inc. Dba Aerovironment Inc
5120-01-604-551950-573 INTERCHANGEABLE
Oiler,hand Held
Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc
Cross-Reference Index
Part NumberManufacturer
50573 PRIMARY Undersea Sensor Systems Inc Div Ultra Sonobuoy Systems (USA)
Related Parts
5930-00-008-7017INTERCHANGEABLE
SWITCH ASSEMBLY
5057-3
5950-00-165-2596INTERCHANGEABLE
TRANSFORMER,POWER
377164
3455-00-224-8923INTERCHANGEABLE
FILE,ROTARY
3110-00-227-4604INTERCHANGEABLE
BEARING,BALL,ANNULAR
01611-3500
5360-00-253-7251INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
2274152
4520-00-878-3904INTERCHANGEABLE
HEATING ELEMENT,ELECTRICAL,NONIM
50573
5315-01-069-5136INTERCHANGEABLE
PIN
21049
8455-01-554-1811INTERCHANGEABLE
HOLDER,BADGE
50573
1550-01-567-1133INTERCHANGEABLE
UNMANNED AIRCRAFT
50573
5120-01-604-5519INTERCHANGEABLE
OILER,HAND HELD
50-573

Frequently Asked Questions

What is NSN 5977-01-328-4879?

NSN 5977-01-328-4879 is a Ring,electrical Contact, manufactured by Undersea Sensor Systems Inc Div Ultra Sonobuoy Systems, classified under FSC 5977 (No Item Name Available). Status: active.

What are the part numbers for NSN 5977-01-328-4879?

NSN 5977-01-328-4879 has 1 cross-referenced part number: 50573 (Undersea Sensor Systems Inc Div Ultra Sonobuoy Systems).

What NSN replaces 5977-01-328-4879?

There are 10 known substitutes for 5977-01-328-4879: 5930-00-008-7017, 5950-00-165-2596, 3455-00-224-8923 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 50573?

Key specifications for 50573: Material: ALUMINUM; Inside Diameter: 0.440 INCHES MINIMUM AND 0.445 INCHES MAXIMUM IN; Overall Depth: 0.250 INCHES NOMINAL IN. 3 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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