PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

VL21Tappet,engine Poppet Valve

Trw Inc Trw Intl Trade Government Sales Dept · NSN 2805-00-863-4078 · FSC 2805 · No Item Name Available
Verified by PartsTable
NSN 2805-00-863-4078 — this item is cataloged by the U.S. Government under National Stock Number 2805-00-863-4078. Primary manufacturer part number: VL21.
Features
  • Tappet,engine Poppet Valve — FSC 2805
  • Operation Method: MECHANICAL
  • 12 verified cross-references
  • Primary manufacturer: Trw Inc Trw Intl Trade Government Sales Dept
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Mechanical power generation
  • Drive system operation
General Description

The Tappet,engine Poppet Valve, cataloged under National Stock Number 2805-00-863-4078, is classified within Federal Supply Class 2805 (No Item Name Available) of the Engines, Turbines, and Components group. The primary manufacturer of record is Trw Inc Trw Intl Trade Government Sales Dept. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 12 commercial cross-references from 11 manufacturers, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN2805-00-863-4078
Primary Part NumberVL21
Item NameTappet,engine Poppet Valve
FSC / FSG2805 / 28 — No Item Name Available
ManufacturerTrw Inc Trw Intl Trade Government Sales Dept
StatusCANCELLED
Operation MethodMECHANICAL
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 11
5930-00-108-5372S6629 INTERCHANGEABLE
Switch,push
Edro Corporation, the Dba Edro Corp
4820-00-165-0957 INTERCHANGEABLE
Valve,regulating,fluid Pressure
5925-00-374-48525052822BT20 INTERCHANGEABLE
Cutout,electrical
General Electric Company
3110-00-554-3232204S INTERCHANGEABLE
Bearing,ball,annular
Skf Usa Inc.
2805-00-691-0664 INTERCHANGEABLE
Tappet,valve
5940-00-851-9316 INTERCHANGEABLE
Terminal,stud
5330-01-020-93216629 INTERCHANGEABLE
Gasket
Federal-Mogul Corp Fel-Pro Gasket Div
3120-01-184-58466629 INTERCHANGEABLE
Bushing,sleeve
Greno Industries, Inc. Dba Greno Industries Inc
4720-01-319-27516629-12-12-0110 INTERCHANGEABLE
Hose Assembly,nonmetallic
Transdigm Inc Div Adelwiggins Group
6150-01-358-7826 INTERCHANGEABLE
Cable Assembly,special Purpose,e
Cross-Reference Index
Part NumberManufacturer
VL-21 Dana Corp Engine Products Div (USA)
VL21 PRIMARY Trw Inc Trw Intl Trade Government Sales Dept (USA)
6629 Echlin Inc (USA)
AT-892 Bosch Automotive Service Solutions Inc. (USA)
B8C6500AMR Ford Motor Co Ford Parts and Service Div Government Part Sales (USA)
EAA-6500-D Ford Motor Co Ford Parts and Service Div Industrial Engine Opns (USA)
VL-21 Mcquay-Norris Inc Oem Div an Skf Industries Co
VT-1892 Elgin Industries Inc. Dba (USA)
AT-892 Spx Corp (USA)
ML-108 Republic Gear Co (USA)
EAA-6500-D Ford Motor Company (USA)
B8C6500A Ford Motor Co Ford Parts and Service Div Government Part Sales (USA)
Related Parts
5930-00-108-5372INTERCHANGEABLE
SWITCH,PUSH
S6629
4820-00-165-0957INTERCHANGEABLE
VALVE,REGULATING,FLUID PRESSURE
5925-00-374-4852INTERCHANGEABLE
CUTOUT,ELECTRICAL
5052822BT20
3110-00-554-3232INTERCHANGEABLE
BEARING,BALL,ANNULAR
204S
2805-00-691-0664INTERCHANGEABLE
TAPPET,VALVE
5940-00-851-9316INTERCHANGEABLE
TERMINAL,STUD
5330-01-020-9321INTERCHANGEABLE
GASKET
6629
3120-01-184-5846INTERCHANGEABLE
BUSHING,SLEEVE
6629
4720-01-319-2751INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC
6629-12-12-0110
6150-01-358-7826INTERCHANGEABLE
CABLE ASSEMBLY,SPECIAL PURPOSE,E
2520-01-646-5917INTERCHANGEABLE
PARTS KIT,DRIVING AXLE DIFFERENT
6629

Frequently Asked Questions

What is NSN 2805-00-863-4078?

NSN 2805-00-863-4078 is a Tappet,engine Poppet Valve, manufactured by Trw Inc Trw Intl Trade Government Sales Dept, classified under FSC 2805 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 2805-00-863-4078?

NSN 2805-00-863-4078 has 12 cross-referenced part numbers: VL-21 (Dana Corp Engine Products Div), VL21 (Trw Inc Trw Intl Trade Government Sales Dept), 6629 (Echlin Inc), AT-892 (Bosch Automotive Service Solutions Inc.), B8C6500AMR (Ford Motor Co Ford Parts and Service Div Government Part Sales) and 7 more.

What NSN replaces 2805-00-863-4078?

There are 11 known substitutes for 2805-00-863-4078: 5930-00-108-5372, 4820-00-165-0957, 5925-00-374-4852 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of VL21?

Key specifications for VL21: Operation Method: MECHANICAL. 1 total characteristics are documented in the Federal Logistics Information System.

Is NSN 2805-00-863-4078 still in active supply?

NSN 2805-00-863-4078 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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