PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

42808Ring Assembly,electrical Contact

Undersea Sensor Systems Inc Div Ultra Sonobuoy Systems · NSN 5977-00-871-7718 · FSC 5977 · No Item Name Available
Verified by PartsTable
NSN 5977-00-871-7718 — this item is cataloged by the U.S. Government under National Stock Number 5977-00-871-7718. Primary manufacturer part number: 42808.
Features
  • Ring Assembly,electrical Contact — FSC 5977
  • Width: 0.010 INCHES NOMINAL IN
  • Mounting Configuration: SWAGED MTG
  • FSC Application Data: INDICATOR,ATTITUDE
  • Diameter: 0.101 INCHES NOMINAL IN
  • Contact Ring Quantity: 12
  • Overall Diameter: 0.171 INCHES NOMINAL IN
  • 1 verified cross-reference
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Ring Assembly,electrical Contact, cataloged under National Stock Number 5977-00-871-7718, 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 6 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. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5977-00-871-7718
Primary Part Number42808
Item NameRing Assembly,electrical Contact
FSC / FSG5977 / 59 — No Item Name Available
ManufacturerUndersea Sensor Systems Inc Div Ultra Sonobuoy Systems
StatusACTIVE
Width0.010 INCHES NOMINAL IN
Mounting ConfigurationSWAGED MTG
FSC Application DataINDICATOR,ATTITUDE
Diameter0.101 INCHES NOMINAL IN
Contact Ring Quantity12
Overall Diameter0.171 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
3110-00-117-06816B4947 INTERCHANGEABLE
Bearing,roller,cylindrical
Caterpillar Inc Div Caterpillar Defense
5306-00-146-919042808 INTERCHANGEABLE
Bolt,machine
Itw Food Equipment Group Llc Dba Hobart Service
4720-00-187-4279 INTERCHANGEABLE
Hose,nonmetallic
5962-01-178-246442808 INTERCHANGEABLE
Microcircuit,digital
Raytheon Company Div Rmd Strategic
4730-01-182-231242808 INTERCHANGEABLE
Coupling,tube
Ingersoll-Rand Company Dba Ingersoll-Rand Div Tool & Hoist Division
Cross-Reference Index
Part NumberManufacturer
42808 PRIMARY Undersea Sensor Systems Inc Div Ultra Sonobuoy Systems (USA)
Related Parts
3110-00-117-0681INTERCHANGEABLE
BEARING,ROLLER,CYLINDRICAL
6B4947
5306-00-146-9190INTERCHANGEABLE
BOLT,MACHINE
42808
4720-00-187-4279INTERCHANGEABLE
HOSE,NONMETALLIC
5962-01-178-2464INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
42808
4730-01-182-2312INTERCHANGEABLE
COUPLING,TUBE
42808

Frequently Asked Questions

What is NSN 5977-00-871-7718?

NSN 5977-00-871-7718 is a Ring Assembly,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 5977-00-871-7718?

NSN 5977-00-871-7718 has 1 cross-referenced part number: 42808 (Undersea Sensor Systems Inc Div Ultra Sonobuoy Systems).

What NSN replaces 5977-00-871-7718?

There are 5 known substitutes for 5977-00-871-7718: 3110-00-117-0681, 5306-00-146-9190, 4720-00-187-4279 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 42808?

Key specifications for 42808: Width: 0.010 INCHES NOMINAL IN; Mounting Configuration: SWAGED MTG; Overall Length: 0.8085 INCHES NOMINAL IN; FSC Application Data: INDICATOR,ATTITUDE. 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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