PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

AD41AGuide,valve Stem

Wisconsin Motors, Llc · NSN 2805-00-652-9757 · FSC 2805 · No Item Name Available
Verified by PartsTable
NSN 2805-00-652-9757 — this item is cataloged by the U.S. Government under National Stock Number 2805-00-652-9757. Primary manufacturer part number: AD41A.
Features
  • Guide,valve Stem — FSC 2805
  • Outside Diameter: 0.469 INCHES MINIMUM AND 0.470 INCHES MAXIMUM IN
  • Bore Diameter: 0.3450 INCHES MINIMUM AND 0.3460 INCHES MAXIMUM IN
  • Bore Counterbore: NOT INCLUDED
  • Bb End Chamfer Angle in Deg: 45.0
  • Aa End Chamfer Length: 0.016 INCHES NOMINAL IN
  • Bb End Chamfer Length: 0.016 INCHES NOMINAL IN
  • Aa End Chamfer Angle in Deg: 45.0
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Iron construction
General Description

The Guide,valve Stem, cataloged under National Stock Number 2805-00-652-9757, is classified within Federal Supply Class 2805 (No Item Name Available) of the Engines, Turbines, and Components group. The primary manufacturer of record is Wisconsin Motors, Llc. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN2805-00-652-9757
Primary Part NumberAD41A
Item NameGuide,valve Stem
FSC / FSG2805 / 28 — No Item Name Available
ManufacturerWisconsin Motors, Llc
StatusACTIVE
Outside Diameter0.469 INCHES MINIMUM AND 0.470 INCHES MAXIMUM IN
Bore Diameter0.3450 INCHES MINIMUM AND 0.3460 INCHES MAXIMUM IN
Bore CounterboreNOT INCLUDED
Bb End Chamfer Angle in Deg45.0
Aa End Chamfer Length0.016 INCHES NOMINAL IN
Bb End Chamfer Length0.016 INCHES NOMINAL IN
Aa End Chamfer Angle in Deg45.0
Aa End Diameter0.469 INCHES MINIMUM AND 0.470 INCHES MAXIMUM IN
Bb End Shank Diameter0.469 INCHES MINIMUM AND 0.470 INCHES MAXIMUM IN
Bore CountersinkNOT INCLUDED
MaterialIRON
FSC Application DataGASOLINE ENGINES
Style DesignatorPLAIN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
4810-00-218-60779958 INTERCHANGEABLE
Seat,valve
Northrop Grumman Systems Corporation Div Marine Systems
5955-00-499-7337712731-7 INTERCHANGEABLE
Crystal Unit,quartz
Raytheon Company Div Rmd Strategic
5950-01-081-273812272682 INTERCHANGEABLE
Transformer,power
U S Army Tank Automotive Command Amsta-Im-Mm
8010-01-097-5253 INTERCHANGEABLE
Thinner,paint Products
6515-01-437-7535312102 INTERCHANGEABLE
Mask,oronasal
Central Medical Services Inc
6665-01-569-3643500-0036-100 INTERCHANGEABLE
Battery Charger,lithium Ion Batt
Honeywell Analytics Inc.
4820-01-585-25369958 INTERCHANGEABLE
Head,safety,pressure Relief
Amerex Corporation Dba Amerex Corp
Cross-Reference Index
Part NumberManufacturer
JHP110-30 Hollingsworth John R Co (USA)
CFR40114 Curtis Dyna-Fog, Ltd. (USA)
9958 Lowndes Engineering Co Inc (USA)
AD41A PRIMARY Wisconsin Motors, Llc (USA)
41100C5 Aeroil Products Co Inc (USA)
Related Parts
4810-00-218-6077INTERCHANGEABLE
SEAT,VALVE
9958
5955-00-499-7337INTERCHANGEABLE
CRYSTAL UNIT,QUARTZ
712731-7
5950-01-081-2738INTERCHANGEABLE
TRANSFORMER,POWER
12272682
8010-01-097-5253INTERCHANGEABLE
THINNER,PAINT PRODUCTS
6515-01-437-7535INTERCHANGEABLE
MASK,ORONASAL
312102
6665-01-569-3643INTERCHANGEABLE
BATTERY CHARGER,LITHIUM ION BATT
500-0036-100
4820-01-585-2536INTERCHANGEABLE
HEAD,SAFETY,PRESSURE RELIEF
9958

Frequently Asked Questions

What is NSN 2805-00-652-9757?

NSN 2805-00-652-9757 is a Guide,valve Stem, manufactured by Wisconsin Motors, Llc, classified under FSC 2805 (No Item Name Available). Status: active.

What are the part numbers for NSN 2805-00-652-9757?

NSN 2805-00-652-9757 has 5 cross-referenced part numbers: JHP110-30 (Hollingsworth John R Co), CFR40114 (Curtis Dyna-Fog, Ltd.), 9958 (Lowndes Engineering Co Inc), AD41A (Wisconsin Motors, Llc), 41100C5 (Aeroil Products Co Inc).

What NSN replaces 2805-00-652-9757?

There are 7 known substitutes for 2805-00-652-9757: 4810-00-218-6077, 5955-00-499-7337, 5950-01-081-2738 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of AD41A?

Key specifications for AD41A: Outside Diameter: 0.469 INCHES MINIMUM AND 0.470 INCHES MAXIMUM IN; Overall Length: 1.813 INCHES NOMINAL IN; Bore Diameter: 0.3450 INCHES MINIMUM AND 0.3460 INCHES MAXIMUM IN; Bore Counterbore: NOT INCLUDED. 15 total characteristics are documented in the Federal Logistics Information System.

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