PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

20139Test Program Set

Textron Systems Corporation Dba Textron Systems Corp · NSN 4920-01-299-0282 · FSC 4920 · No Item Name Available
Verified by PartsTable
NSN 4920-01-299-0282 — this item is cataloged by the U.S. Government under National Stock Number 4920-01-299-0282. Primary manufacturer part number: 20139.
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 4920-01-299-0282, 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. 12 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
NSN4920-01-299-0282
Primary Part Number20139
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 12
5306-00-166-140620-58 INTERCHANGEABLE
Bolt,carriage
Motorola Automotive Electronics
5133-00-412-1747 INTERCHANGEABLE
Drill,twist
5905-00-488-2793 INTERCHANGEABLE
Resistor,variable,wire Wound,non
5998-01-034-408420139 INTERCHANGEABLE
Circuit Card Assembly
Transistor Devices Inc Div Astrodyne Tdi High Power Business Unit
5331-01-092-2041 INTERCHANGEABLE
O-Ring
4820-01-143-13825115PA240009-184-202PSI (20139) INTERCHANGEABLE
Valve,safety Relief
Emerson Automation Solutions Final Control Us Lp Div Navy Product Team
4820-01-149-33232013901S0166 INTERCHANGEABLE
Valve,safety Relief
Emerson Automation Solutions Final Control Us Lp Div Navy Product Team
5360-01-181-739020139 INTERCHANGEABLE
Spring,helical,compression
Unipress Corporation
4820-01-557-934620139,5115PA240009,38T45PSI INTERCHANGEABLE
Valve,safety Relief
Anderson Greenwood Lp Dba Anderson Greenwood Crosby
5331-01-670-54432-0139 INTERCHANGEABLE
O-Ring
Parker-Hannifin Corporation Dba Pneutronics Div Composite Sealing Systems Division
Cross-Reference Index
Part NumberManufacturer
20139 PRIMARY Textron Systems Corporation Dba Textron Systems Corp (USA)
Related Parts
5306-00-166-1406INTERCHANGEABLE
BOLT,CARRIAGE
20-58
5133-00-412-1747INTERCHANGEABLE
DRILL,TWIST
5905-00-488-2793INTERCHANGEABLE
RESISTOR,VARIABLE,WIRE WOUND,NON
5998-01-034-4084INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
20139
5331-01-092-2041INTERCHANGEABLE
O-RING
4820-01-143-1382INTERCHANGEABLE
VALVE,SAFETY RELIEF
5115PA240009-184-202PSI (20139)
4820-01-149-3323INTERCHANGEABLE
VALVE,SAFETY RELIEF
2013901S0166
5360-01-181-7390INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
20139
4820-01-557-9346INTERCHANGEABLE
VALVE,SAFETY RELIEF
20139,5115PA240009,38T45PSI
5331-01-670-5443INTERCHANGEABLE
O-RING
2-0139
5306-01-706-1330INTERCHANGEABLE
BOLT,MACHINE
34-677
4310-01-706-5083INTERCHANGEABLE
CYLINDER SLEEVE
363-A7038

Frequently Asked Questions

What is NSN 4920-01-299-0282?

NSN 4920-01-299-0282 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 4920-01-299-0282?

NSN 4920-01-299-0282 has 1 cross-referenced part number: 20139 (Textron Systems Corporation Dba Textron Systems Corp).

What NSN replaces 4920-01-299-0282?

There are 12 known substitutes for 4920-01-299-0282: 5306-00-166-1406, 5133-00-412-1747, 5905-00-488-2793 and 9 more. Verify interchangeability with system specifications before substitution.

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