PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

X-1856Valve,poppet,engine

Federal-Mogul Corp Government Sales Dept · NSN 2805-00-586-5227 · FSC 2805 · No Item Name Available
Verified by PartsTable
NSN 2805-00-586-5227 — this item is cataloged by the U.S. Government under National Stock Number 2805-00-586-5227. Primary manufacturer part number: X-1856.
Features
  • Valve,poppet,engine — FSC 2805
  • Outside Diameter: 1.5780 INCHES NOMINAL IN
  • Head Style: FLAT
  • Seat Angle in Deg: 30.0
  • Stem Diameter: 0.3420 INCHES NOMINAL IN
  • Stem Style: GROOVED
  • Stem Length: 6.4380 INCHES NOMINAL IN
  • 12 verified cross-references
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 2805-00-586-5227, is classified within Federal Supply Class 2805 (No Item Name Available) of the Engines, Turbines, and Components group. The primary manufacturer of record is Federal-Mogul Corp Government Sales Dept. Government technical data includes 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 12 commercial cross-references from 10 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
NSN2805-00-586-5227
Primary Part NumberX-1856
Item NameValve,poppet,engine
FSC / FSG2805 / 28 — No Item Name Available
ManufacturerFederal-Mogul Corp Government Sales Dept
StatusCANCELLED
Outside Diameter1.5780 INCHES NOMINAL IN
Head StyleFLAT
Seat Angle in Deg30.0
Stem Diameter0.3420 INCHES NOMINAL IN
Stem StyleGROOVED
Stem Length6.4380 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5330-00-154-19173375 INTERCHANGEABLE
Seal,plain Encased
Garlock Sealing Technologies Llc Dba Garlock Sealing Technologies Llc
5970-00-160-3989 INTERCHANGEABLE
Bushing Nylon
5910-00-191-072610300154 INTERCHANGEABLE
Capacitor,fixed,electrolytic
Us Army Aviation and Missile Command
2805-00-354-08221885 INTERCHANGEABLE
Ring Set,piston
Spirolox Inc
5950-00-645-4475 INTERCHANGEABLE
Transformer,radio Frequency
5310-00-682-5930 INTERCHANGEABLE
Washer,lock
1680-00-727-5440337-5 INTERCHANGEABLE
Mirror Assembly,rearview
Industrial Glass Products, Inc.
5310-00-782-13490188-5 INTERCHANGEABLE
Washer,flat
Honeywell International Inc. Dba Honeywell International
5910-00-829-01110180-0063 INTERCHANGEABLE
Capacitor,fixed,electrolytic
Agilent Technologies, Inc. Div Agilent Technologies Headquarters
6210-00-852-4614 INTERCHANGEABLE
Filter,indicator Light
Cross-Reference Index
Part NumberManufacturer
V-1628 STD Mcquay-Norris Inc Oem Div an Skf Industries Co
S-2054 Ertel Mfg Corp (USA)
X-1856 PRIMARY Federal-Mogul Corp Government Sales Dept (USA)
VE-1127 Bosch Automotive Service Solutions Inc. (USA)
1885 Echlin Inc (USA)
B6A6505A Ford Motor Company (USA)
ECK6505A Ford Motor Co Ford Parts and Service Div Government Part Sales (USA)
3-375 Gould Inc Industrial Marketing Div (USA)
B6A6505A Ford Motor Co Ford Parts and Service Div Government Part Sales (USA)
D-1453 Dana Corp Engine Products Div (USA)
ECK6505A Ford Motor Company (USA)
VE-1127 Spx Corp (USA)
Related Parts
5330-00-154-1917INTERCHANGEABLE
SEAL,PLAIN ENCASED
3375
5970-00-160-3989INTERCHANGEABLE
BUSHING NYLON
5910-00-191-0726INTERCHANGEABLE
CAPACITOR,FIXED,ELECTROLYTIC
10300154
2805-00-354-0822INTERCHANGEABLE
RING SET,PISTON
1885
5950-00-645-4475INTERCHANGEABLE
TRANSFORMER,RADIO FREQUENCY
5310-00-682-5930INTERCHANGEABLE
WASHER,LOCK
1680-00-727-5440INTERCHANGEABLE
MIRROR ASSEMBLY,REARVIEW
337-5
5310-00-782-1349INTERCHANGEABLE
WASHER,FLAT
0188-5
5910-00-829-0111INTERCHANGEABLE
CAPACITOR,FIXED,ELECTROLYTIC
0180-0063
6210-00-852-4614INTERCHANGEABLE
FILTER,INDICATOR LIGHT
2805-00-863-1785INTERCHANGEABLE
VALVE,POPPET,ENGINE
S-2431
4730-00-885-5794INTERCHANGEABLE
FITTING,LUBRICATION
9026870

Frequently Asked Questions

What is NSN 2805-00-586-5227?

NSN 2805-00-586-5227 is a Valve,poppet,engine, manufactured by Federal-Mogul Corp Government Sales Dept, classified under FSC 2805 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 2805-00-586-5227?

NSN 2805-00-586-5227 has 12 cross-referenced part numbers: V-1628 STD (Mcquay-Norris Inc Oem Div an Skf Industries Co), S-2054 (Ertel Mfg Corp), X-1856 (Federal-Mogul Corp Government Sales Dept), VE-1127 (Bosch Automotive Service Solutions Inc.), 1885 (Echlin Inc) and 7 more.

What NSN replaces 2805-00-586-5227?

There are 12 known substitutes for 2805-00-586-5227: 5330-00-154-1917, 5970-00-160-3989, 5910-00-191-0726 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of X-1856?

Key specifications for X-1856: Outside Diameter: 1.5780 INCHES NOMINAL IN; Head Style: FLAT; Seat Angle in Deg: 30.0; Stem Diameter: 0.3420 INCHES NOMINAL IN. 6 total characteristics are documented in the Federal Logistics Information System.

Is NSN 2805-00-586-5227 still in active supply?

NSN 2805-00-586-5227 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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