PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

20126Test Program Set

Textron Systems Corporation Dba Textron Systems Corp · NSN 4920-01-299-0281 · FSC 4920 · No Item Name Available
Verified by PartsTable
NSN 4920-01-299-0281 — this item is cataloged by the U.S. Government under National Stock Number 4920-01-299-0281. Primary manufacturer part number: 20126.
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 4920-01-299-0281, 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. 7 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
NSN4920-01-299-0281
Primary Part Number20126
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 7
6850-00-155-644476759 INTERCHANGEABLE
Chemical Antigalling Cmpd
Loctite Corp
5133-00-228-1375 INTERCHANGEABLE
Drill,twist
5365-00-474-307220126 INTERCHANGEABLE
Plug,machine Thread
Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney
4820-00-495-2570 INTERCHANGEABLE
Valve,safety Relief
6145-01-087-9773 INTERCHANGEABLE
Cable,special Purpose,electrical
4330-01-346-7650RK 22838 INTERCHANGEABLE
Plug,probe
Parker-Hannifin Corporation Dba Racor Division Div Racor Division
5306-01-685-003020-126-16-55 INTERCHANGEABLE
Bolt,machine
Bell Textron Inc
Cross-Reference Index
Part NumberManufacturer
20126 PRIMARY Textron Systems Corporation Dba Textron Systems Corp (USA)
Related Parts
6850-00-155-6444INTERCHANGEABLE
CHEMICAL ANTIGALLING CMPD
76759
5133-00-228-1375INTERCHANGEABLE
DRILL,TWIST
5365-00-474-3072INTERCHANGEABLE
PLUG,MACHINE THREAD
20126
4820-00-495-2570INTERCHANGEABLE
VALVE,SAFETY RELIEF
6145-01-087-9773INTERCHANGEABLE
CABLE,SPECIAL PURPOSE,ELECTRICAL
4330-01-346-7650INTERCHANGEABLE
PLUG,PROBE
RK 22838
5306-01-685-0030INTERCHANGEABLE
BOLT,MACHINE
20-126-16-55

Frequently Asked Questions

What is NSN 4920-01-299-0281?

NSN 4920-01-299-0281 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 4920-01-299-0281?

NSN 4920-01-299-0281 has 1 cross-referenced part number: 20126 (Textron Systems Corporation Dba Textron Systems Corp).

What NSN replaces 4920-01-299-0281?

There are 7 known substitutes for 4920-01-299-0281: 6850-00-155-6444, 5133-00-228-1375, 5365-00-474-3072 and 4 more. Verify interchangeability with system specifications before substitution.

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