PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

31-373Circuit Card Assembly

Inrange Technologies Corporation Div Atlantic Federal Region Sales · NSN 5998-01-520-9177 · FSC 5998 · Circuit Card Assembly
Verified by PartsTable
NSN 5998-01-520-9177 — this item is cataloged by the U.S. Government under National Stock Number 5998-01-520-9177. Primary manufacturer part number: 31-373.
Features
  • Circuit Card Assembly — FSC 5998
  • 1 verified cross-reference
  • Primary manufacturer: Inrange Technologies Corporation Div Atlantic Federal Region Sales
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Circuit Card Assembly, cataloged under National Stock Number 5998-01-520-9177, is classified within Federal Supply Class 5998 (Circuit Card Assembly) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Inrange Technologies Corporation Div Atlantic Federal Region Sales. 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. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN5998-01-520-9177
Primary Part Number31-373
Item NameCircuit Card Assembly
FSC / FSG5998 / 59 — Circuit Card Assembly
ManufacturerInrange Technologies Corporation Div Atlantic Federal Region Sales
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Shelf Life Code0
Unit of IssueEA
SMR CodeJ
Verified Substitutes 5
Circuit Card Assembly
5345-00-394-912531-373 INTERCHANGEABLE
Belt,abrasive
Delta Intl Machinery Corp
3010-00-612-1808D4016 INTERCHANGEABLE
Coupling,shaft,flexible
Diamond Chain Co Div of Amsted Industries Inc
6610-00-761-59413137-3 INTERCHANGEABLE
Standoff,indicator
Kearflex Engineering Company
5310-01-560-042431373 INTERCHANGEABLE
Washer,flat
Barnes Group Inc. Dba Barnes Distribution
Cross-Reference Index
Part NumberManufacturer
31-373 PRIMARY Inrange Technologies Corporation Div Atlantic Federal Region Sales (USA)
Related Parts
5998-01-386-9542SUCCESSOR
CIRCUIT CARD ASSEMBLY
5345-00-394-9125INTERCHANGEABLE
BELT,ABRASIVE
31-373
3010-00-612-1808INTERCHANGEABLE
COUPLING,SHAFT,FLEXIBLE
D4016
6610-00-761-5941INTERCHANGEABLE
STANDOFF,INDICATOR
3137-3
5310-01-560-0424INTERCHANGEABLE
WASHER,FLAT
31373

Frequently Asked Questions

What is NSN 5998-01-520-9177?

NSN 5998-01-520-9177 is a Circuit Card Assembly, manufactured by Inrange Technologies Corporation Div Atlantic Federal Region Sales, classified under FSC 5998 (Circuit Card Assembly). Status: active.

What are the part numbers for NSN 5998-01-520-9177?

NSN 5998-01-520-9177 has 1 cross-referenced part number: 31-373 (Inrange Technologies Corporation Div Atlantic Federal Region Sales).

What NSN replaces 5998-01-520-9177?

There are 5 known substitutes for 5998-01-520-9177: 5998-01-386-9542, 5345-00-394-9125, 3010-00-612-1808 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 31-373?

Key specifications for 31-373: End Item Identification: RS-232 DCE; Special Features: UNIVERSAL MODE; Part Name Assigned by Controlling Agency: USS CCU DCE RS232 MODULE; End Item Identification: RS-232 DCE. 6 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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