PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

6173Module Buffer Ampli

Finnigan Corporation · NSN 4931-01-023-6554 · FSC 4931 · No Item Name Available
Verified by PartsTable
NSN 4931-01-023-6554 — this item is cataloged by the U.S. Government under National Stock Number 4931-01-023-6554. Primary manufacturer part number: 6173.
Features
  • Module Buffer Ampli — FSC 4931
  • 2 verified cross-references
  • Primary manufacturer: Finnigan Corporation
Applications
  • Maintenance depot operations
  • Field repair and servicing
  • Vehicle maintenance facilities
General Description

The Module Buffer Ampli, cataloged under National Stock Number 4931-01-023-6554, is classified within Federal Supply Class 4931 (No Item Name Available) of the Maintenance and Repair Shop Equipment group. The primary manufacturer of record is Finnigan Corporation. This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameModule Buffer Ampli
FSC / FSG4931 — No Item Name Available (FSG 49)
ManufacturersBae Systems Information & Electronic Systems Integration Inc. (CAGE 19397); Finnigan Corporation (CAGE 63409)
Technical Specifications
ParameterValue
NSN4931-01-023-6554
Primary Part Number6173
Item NameModule Buffer Ampli
FSC / FSG4931 / 49 — No Item Name Available
ManufacturerFinnigan Corporation
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
4010-00-159-8294743C005 INTERCHANGEABLE
Chain,bead
Crest Good Manufacturing Co Inc
5960-00-583-0610 INTERCHANGEABLE
Electron Tube
5960-00-617-9048 INTERCHANGEABLE
Electron Tube
5360-00-798-2490 INTERCHANGEABLE
Spring,hopper,weight,food Slicer
5310-00-846-5948P1007-EG INTERCHANGEABLE
Nut,self-Locking,gang Channel
Allied Tube & Conduit Corporation Dba Afc Cable Systems Inc Div Barbed Tape Division
5955-01-161-0392154079P2 INTERCHANGEABLE
Crystal Unit,quartz
Bae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems
6150-01-163-1081GM1081 INTERCHANGEABLE
Lead,storage Battery
Netex Sales & Production Co
3040-01-353-73176173 INTERCHANGEABLE
Connecting Link,rigid
Quincy Compressor Division of Coltec Industries Inc Dba Quincy Compressor Div Quincy Compressor
5307-01-385-26746-173 INTERCHANGEABLE
Stud,plain
Aerco International, Inc. Dba Aerco International Inc
Cross-Reference Index
Part NumberManufacturer
6173 Bae Systems Information & Electronic Systems Integration Inc. (USA)
6173 PRIMARY Finnigan Corporation (USA)
Related Parts
4010-00-159-8294INTERCHANGEABLE
CHAIN,BEAD
743C005
5960-00-583-0610INTERCHANGEABLE
ELECTRON TUBE
5960-00-617-9048INTERCHANGEABLE
ELECTRON TUBE
5360-00-798-2490INTERCHANGEABLE
SPRING,HOPPER,WEIGHT,FOOD SLICER
5310-00-846-5948INTERCHANGEABLE
NUT,SELF-LOCKING,GANG CHANNEL
P1007-EG
5955-01-161-0392INTERCHANGEABLE
CRYSTAL UNIT,QUARTZ
154079P2
6150-01-163-1081INTERCHANGEABLE
LEAD,STORAGE BATTERY
GM1081
3040-01-353-7317INTERCHANGEABLE
CONNECTING LINK,RIGID
6173
5307-01-385-2674INTERCHANGEABLE
STUD,PLAIN
6-173

Frequently Asked Questions

What is NSN 4931-01-023-6554?

NSN 4931-01-023-6554 is a Module Buffer Ampli, manufactured by Finnigan Corporation, classified under FSC 4931 (No Item Name Available). Status: active.

What are the part numbers for NSN 4931-01-023-6554?

NSN 4931-01-023-6554 has 2 cross-referenced part numbers: 6173 (Bae Systems Information & Electronic Systems Integration Inc.), 6173 (Finnigan Corporation).

What NSN replaces 4931-01-023-6554?

There are 9 known substitutes for 4931-01-023-6554: 4010-00-159-8294, 5960-00-583-0610, 5960-00-617-9048 and 6 more. Verify interchangeability with system specifications before substitution.

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