PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

AS-2068Valve,poppet,engine

Trw Inc Trw Intl Trade Government Sales Dept · NSN 2805-00-271-9554 · FSC 2805 · No Item Name Available
Verified by PartsTable
NSN 2805-00-271-9554 — this item is cataloged by the U.S. Government under National Stock Number 2805-00-271-9554. Primary manufacturer part number: AS-2068.
Features
  • Valve,poppet,engine — FSC 2805
  • Outside Diameter: 1.5570 INCHES MINIMUM AND 1.5670 INCHES MAXIMUM IN
  • FSC Application Data: GASOLINE ENGINE
  • Metallic Hardness Rating and Location: 50.0 SHORE SCLEROSCOPE MINIMUM TIP
  • Carbon Relief Groove: NOT INCLUDED
  • Head Style: RAISED FACE
  • Seat Angle in Deg: 45.0
  • Stem Length: 6.1718 INCHES NOMINAL IN
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Mechanical power generation
  • Drive system operation
General Description

The Valve,poppet,engine, cataloged under National Stock Number 2805-00-271-9554, 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 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 16 commercial cross-references from 12 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN2805-00-271-9554
Primary Part NumberAS-2068
Item NameValve,poppet,engine
FSC / FSG2805 / 28 — No Item Name Available
ManufacturerTrw Inc Trw Intl Trade Government Sales Dept
StatusCANCELLED
Outside Diameter1.5570 INCHES MINIMUM AND 1.5670 INCHES MAXIMUM IN
FSC Application DataGASOLINE ENGINE
Metallic Hardness Rating and Location50.0 SHORE SCLEROSCOPE MINIMUM TIP
Carbon Relief GrooveNOT INCLUDED
Head StyleRAISED FACE
Seat Angle in Deg45.0
Stem Length6.1718 INCHES NOMINAL IN
Head Height0.1562 INCHES NOMINAL IN
Chamfer Length0.0156 INCHES MINIMUM AND 0.0312 INCHES MAXIMUM IN
Chamfer Angle in Deg45.0
Neck Radius0.2500 INCHES NOMINAL IN
Distance From Groove to Stem End0.2400 INCHES MINIMUM AND 0.2500 INCHES MAXIMUM IN
Groove Diameter0.2670 INCHES MINIMUM AND 0.2730 INCHES MAXIMUM IN
Stem StyleGROOVED
Stem Diameter0.3080 INCHES MINIMUM AND 0.3090 INCHES MAXIMUM IN
Groove Width0.0950 INCHES MINIMUM AND 0.1050 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5985-00-138-9731238044-1 INTERCHANGEABLE
Attenuator,fixed
Raytheon Company
5985-00-167-4922238044-2 INTERCHANGEABLE
Attenuator,fixed
Raytheon Company
5306-00-206-6270 INTERCHANGEABLE
Bolt,machine
5920-00-247-26984428 INTERCHANGEABLE
Fuseholder,block
Cooper Bussmann, Llc Dba Cooper Industries
4310-00-413-26536592 INTERCHANGEABLE
Ring Set,piston
Quincy Compressor Division of Coltec Industries Inc Dba Quincy Compressor Div Quincy Compressor
5950-00-545-5470 INTERCHANGEABLE
Coil,radio Frequency
5950-00-645-2794472078 INTERCHANGEABLE
Transformer,radio Frequency
Naval Ship Systems Command
2530-00-769-648410B18 INTERCHANGEABLE
Rod
Dana Commercial Vehicle Manufacturing, Llc Dba Dana Commercial Vehicle Products
5990-00-842-6948A18023 INTERCHANGEABLE
Synchro,receiver
L3 Technologies, Inc.
5940-00-983-6103 INTERCHANGEABLE
Terminal Board
Cross-Reference Index
Part NumberManufacturer
D-1603 Dana Corp Engine Products Div (USA)
VI819 Spx Corp (USA)
1519 Napasco International Inc (USA)
V-816 Spx Corp (USA)
AS-2068 PRIMARY Trw Inc Trw Intl Trade Government Sales Dept (USA)
MH5000-100A5 Mancraft Industries Inc (USA)
D-2069 PRIMARY Dana Corp Spicer Transmission Div (USA)
472078 Wabco Construction and Mining Equipment Group Indianapolis Plant an American Standard Inc Co (USA)
WPP1585 Siemens Water Technologies Corp. Div Wallace & Tiernan Products (USA)
A1016 Sterling Div Federal Mogul Corp (USA)
V-816 Bosch Automotive Service Solutions Inc. (USA)
VI819 Bosch Automotive Service Solutions Inc. (USA)
AE76N PRIMARY Wisconsin Motors, Llc (USA)
S-2635 PRIMARY Trw Inc Trw Intl Trade Government Sales Dept (USA)
4428 PRIMARY Eaton Corporation (USA)
S-2068 PRIMARY Trw Inc Trw Intl Trade Government Sales Dept (USA)
Related Parts
5985-00-138-9731INTERCHANGEABLE
ATTENUATOR,FIXED
238044-1
5985-00-167-4922INTERCHANGEABLE
ATTENUATOR,FIXED
238044-2
5306-00-206-6270INTERCHANGEABLE
BOLT,MACHINE
5920-00-247-2698INTERCHANGEABLE
FUSEHOLDER,BLOCK
4428
4310-00-413-2653INTERCHANGEABLE
RING SET,PISTON
6592
5950-00-545-5470INTERCHANGEABLE
COIL,RADIO FREQUENCY
5950-00-645-2794INTERCHANGEABLE
TRANSFORMER,RADIO FREQUENCY
472078
2530-00-769-6484INTERCHANGEABLE
ROD
10B18
5990-00-842-6948INTERCHANGEABLE
SYNCHRO,RECEIVER
A18023
5940-00-983-6103INTERCHANGEABLE
TERMINAL BOARD
5305-01-068-5508INTERCHANGEABLE
SCREW,SHOULDER
2590-01-120-9291INTERCHANGEABLE
FILTER ELEMENT,FLUID
24428

Frequently Asked Questions

What is NSN 2805-00-271-9554?

NSN 2805-00-271-9554 is a Valve,poppet,engine, 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 2805-00-271-9554?

NSN 2805-00-271-9554 has 16 cross-referenced part numbers: D-1603 (Dana Corp Engine Products Div), VI819 (Spx Corp), 1519 (Napasco International Inc), V-816 (Spx Corp), AS-2068 (Trw Inc Trw Intl Trade Government Sales Dept) and 11 more.

What NSN replaces 2805-00-271-9554?

There are 12 known substitutes for 2805-00-271-9554: 5985-00-138-9731, 5985-00-167-4922, 5306-00-206-6270 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of AS-2068?

Key specifications for AS-2068: Outside Diameter: 1.5570 INCHES MINIMUM AND 1.5670 INCHES MAXIMUM IN; FSC Application Data: GASOLINE ENGINE; Metallic Hardness Rating and Location: 50.0 SHORE SCLEROSCOPE MINIMUM TIP; Carbon Relief Groove: NOT INCLUDED. 16 total characteristics are documented in the Federal Logistics Information System.

Is NSN 2805-00-271-9554 still in active supply?

NSN 2805-00-271-9554 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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