PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

20156Test Program Set

Textron Systems Corporation Dba Textron Systems Corp · NSN 4920-01-297-9726 · FSC 4920 · No Item Name Available
Verified by PartsTable
NSN 4920-01-297-9726 — this item is cataloged by the U.S. Government under National Stock Number 4920-01-297-9726. Primary manufacturer part number: 20156.
Features
  • Test Program Set — FSC 4920
  • 1 verified cross-reference
  • Primary manufacturer: Textron Systems Corporation Dba Textron Systems Corp
Applications
  • Maintenance depot operations
  • Field repair and servicing
  • Vehicle maintenance facilities
General Description

The Test Program Set, cataloged under National Stock Number 4920-01-297-9726, 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 Textron Systems Corporation Dba Textron Systems Corp. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameTest Program Set
FSC / FSG4920 — No Item Name Available (FSG 49)
ManufacturersTextron Systems Corporation Dba Textron Systems Corp (CAGE 97384)
Technical Specifications
ParameterValue
NSN4920-01-297-9726
Primary Part Number20156
Item NameTest Program Set
FSC / FSG4920 / 49 — No Item Name Available
ManufacturerTextron Systems Corporation Dba Textron Systems Corp
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5305-00-175-5109 INTERCHANGEABLE
Screw,lead Attack
5133-00-228-1399 INTERCHANGEABLE
Drill,twist
5975-01-699-13452015-6 INTERCHANGEABLE
Conduit,nonmetallic,flexible
Air/flex Industries, Inc. Dba Air Flex Industries Inc
Cross-Reference Index
Part NumberManufacturer
20156 PRIMARY Textron Systems Corporation Dba Textron Systems Corp (USA)
Related Parts
5305-00-175-5109INTERCHANGEABLE
SCREW,LEAD ATTACK
5133-00-228-1399INTERCHANGEABLE
DRILL,TWIST
5975-01-699-1345INTERCHANGEABLE
CONDUIT,NONMETALLIC,FLEXIBLE
2015-6

Frequently Asked Questions

What is NSN 4920-01-297-9726?

NSN 4920-01-297-9726 is a Test Program Set, manufactured by Textron Systems Corporation Dba Textron Systems Corp, classified under FSC 4920 (No Item Name Available). Status: active.

What are the part numbers for NSN 4920-01-297-9726?

NSN 4920-01-297-9726 has 1 cross-referenced part number: 20156 (Textron Systems Corporation Dba Textron Systems Corp).

What NSN replaces 4920-01-297-9726?

There are 3 known substitutes for 4920-01-297-9726: 5305-00-175-5109, 5133-00-228-1399, 5975-01-699-1345. Verify interchangeability with system specifications before substitution.

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