PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

20079Test Program Set

Textron Systems Corporation Dba Textron Systems Corp · NSN 4920-01-297-9721 · FSC 4920 · No Item Name Available
Verified by PartsTable
NSN 4920-01-297-9721 — this item is cataloged by the U.S. Government under National Stock Number 4920-01-297-9721. Primary manufacturer part number: 20079.
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 4920-01-297-9721, 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. 6 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
NSN4920-01-297-9721
Primary Part Number20079
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 6
5330-00-014-591620079 INTERCHANGEABLE
Seal,plain Encased
Skf Usa Inc. Dba Skf Aerospace Sealing Solutions
3455-00-236-363320079 INTERCHANGEABLE
Reamer,machine
Brown & Sharpe, Inc. Div Precision Measuring Instruments, Tesa Usa
6760-01-017-3039 INTERCHANGEABLE
Lens,camera,general Photographic
6685-01-357-3012200795-1 INTERCHANGEABLE
Thermowell
L3harris Technologies, Inc Div Space & Airborne Systems
5310-01-462-465620079 INTERCHANGEABLE
Nut,plain,square
Triumph Actuation Systems - Valencia, Inc. Dba Triumph Actuation Systems - Valencia Inc Div Triumph Actuation Systems-Val
4310-01-465-2508 INTERCHANGEABLE
Vacuum Pump Unit,rotary
Cross-Reference Index
Part NumberManufacturer
20079 PRIMARY Textron Systems Corporation Dba Textron Systems Corp (USA)
Related Parts
5330-00-014-5916INTERCHANGEABLE
SEAL,PLAIN ENCASED
20079
3455-00-236-3633INTERCHANGEABLE
REAMER,MACHINE
20079
6760-01-017-3039INTERCHANGEABLE
LENS,CAMERA,GENERAL PHOTOGRAPHIC
6685-01-357-3012INTERCHANGEABLE
THERMOWELL
200795-1
5310-01-462-4656INTERCHANGEABLE
NUT,PLAIN,SQUARE
20079
4310-01-465-2508INTERCHANGEABLE
VACUUM PUMP UNIT,ROTARY

Frequently Asked Questions

What is NSN 4920-01-297-9721?

NSN 4920-01-297-9721 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 4920-01-297-9721?

NSN 4920-01-297-9721 has 1 cross-referenced part number: 20079 (Textron Systems Corporation Dba Textron Systems Corp).

What NSN replaces 4920-01-297-9721?

There are 6 known substitutes for 4920-01-297-9721: 5330-00-014-5916, 3455-00-236-3633, 6760-01-017-3039 and 3 more. Verify interchangeability with system specifications before substitution.

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