PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

170899-1Accessory Set,interface Device

Fleet Readiness Center Southwest · NSN 4920-01-479-3561 · FSC 4920 · No Item Name Available
Verified by PartsTable
NSN 4920-01-479-3561 — this item is cataloged by the U.S. Government under National Stock Number 4920-01-479-3561. Primary manufacturer part number: 170899-1.
Features
  • Accessory Set,interface Device — FSC 4920
  • Reference Data and Literature: SERC NO. 5494
  • Functional Description: PROVIDES THE ELECTRICAL AND MECHANICAL INTERFACE BETWEEN THE AN/USM-636(V) CASS AND THE UNITS UNDER TEST
  • Relationship to Similar Equipment: USED IN CONJUCTION OTPS 2001-00-1001 IT WILL PROVIDE THE MEANS TO VERIFY OPERATIONAL AND FUNCTIONAL PERFORMANCE, VERIFY ALIGNEMNT AND ADJUSTMENT, DETECT MALFUNCTIONS AND ISOLATE FAULTS IN THE UUTS
  • 1 verified cross-reference
  • Primary manufacturer: Fleet Readiness Center Southwest
Applications
  • Maintenance depot operations
  • Field repair and servicing
  • Vehicle maintenance facilities
General Description

The Accessory Set,interface Device, cataloged under National Stock Number 4920-01-479-3561, is classified within Federal Supply Class 4920 (No Item Name Available) of the Maintenance and Repair Shop Equipment group. The primary manufacturer of record is Fleet Readiness Center Southwest. Government technical data includes 3 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. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4920-01-479-3561
Primary Part Number170899-1
Item NameAccessory Set,interface Device
FSC / FSG4920 / 49 — No Item Name Available
ManufacturerFleet Readiness Center Southwest
StatusACTIVE
Reference Data and LiteratureSERC NO. 5494
Functional DescriptionPROVIDES THE ELECTRICAL AND MECHANICAL INTERFACE BETWEEN THE AN/USM-636(V) CASS AND THE UNITS UNDER TEST
Relationship to Similar EquipmentUSED IN CONJUCTION OTPS 2001-00-1001 IT WILL PROVIDE THE MEANS TO VERIFY OPERATIONAL AND FUNCTIONAL PERFORMANCE, VERIFY ALIGNEMNT AND ADJUSTMENT, DETECT MALFUNCTIONS AND ISOLATE FAULTS IN THE UUTS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5962-01-200-9462170899-1 INTERCHANGEABLE
Microcircuit,linear
Northrop Grumman Systems Corp Dba Northrop Grumman Systems Corp
Cross-Reference Index
Part NumberManufacturer
170899-1 PRIMARY Fleet Readiness Center Southwest (USA)
Related Parts
5962-01-200-9462INTERCHANGEABLE
MICROCIRCUIT,LINEAR
170899-1

Frequently Asked Questions

What is NSN 4920-01-479-3561?

NSN 4920-01-479-3561 is a Accessory Set,interface Device, manufactured by Fleet Readiness Center Southwest, classified under FSC 4920 (No Item Name Available). Status: active.

What are the part numbers for NSN 4920-01-479-3561?

NSN 4920-01-479-3561 has 1 cross-referenced part number: 170899-1 (Fleet Readiness Center Southwest).

What NSN replaces 4920-01-479-3561?

There is 1 known substitute for 4920-01-479-3561: 5962-01-200-9462. Verify interchangeability with system specifications before substitution.

What are the specifications of 170899-1?

Key specifications for 170899-1: Reference Data and Literature: SERC NO. 5494; End Item Identification: F-18 WRAS; Functional Description: PROVIDES THE ELECTRICAL AND MECHANICAL INTERFACE BETWEEN THE AN/USM-636(V) CASS AND THE UNITS UNDER TEST; Relationship to Similar Equipment: USED IN CONJUCTION OTPS 2001-00-1001 IT WILL PROVIDE THE MEANS TO VERIFY OPERATIONAL AND FUNCTIONAL PERFORMANCE, VERIFY ALIGNEMNT AND ADJUSTMENT, DETECT MALFUNCTIONS AND ISOLATE FAULTS IN THE UUTS. 4 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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