PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

11657641-2Guide,valve Stem

U S Army Tank Automotive Command Amsta-Im-Mm · NSN 2805-00-933-3535 · FSC 2805 · No Item Name Available
Verified by PartsTable
NSN 2805-00-933-3535 — this item is cataloged by the U.S. Government under National Stock Number 2805-00-933-3535. Primary manufacturer part number: 11657641-2.
Features
  • Guide,valve Stem — FSC 2805
  • Aa End Chamfer Length: 0.100 INCHES NOMINAL IN
  • Style Designator: PLAIN, SHOULDERED
  • Shoulder First Fillet Radius: 0.010 INCHES MINIMUM AND 0.015 INCHES MAXIMUM IN
  • Aa End Radius: 0.010 INCHES MINIMUM AND 0.015 INCHES MAXIMUM IN
  • Material: IRON CAST
  • Bb End Chamfer Length: 0.030 INCHES NOMINAL IN
  • Outside Diameter: 0.626 INCHES MINIMUM AND 0.627 INCHES MAXIMUM IN
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Iron Cast construction
General Description

The Guide,valve Stem, cataloged under National Stock Number 2805-00-933-3535, is classified within Federal Supply Class 2805 (No Item Name Available) of the Engines, Turbines, and Components group. The primary manufacturer of record is U S Army Tank Automotive Command Amsta-Im-Mm. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN2805-00-933-3535
Primary Part Number11657641-2
Item NameGuide,valve Stem
FSC / FSG2805 / 28 — No Item Name Available
ManufacturerU S Army Tank Automotive Command Amsta-Im-Mm
StatusACTIVE
Aa End Chamfer Length0.100 INCHES NOMINAL IN
Style DesignatorPLAIN, SHOULDERED
Shoulder First Fillet Radius0.010 INCHES MINIMUM AND 0.015 INCHES MAXIMUM IN
Aa End Radius0.010 INCHES MINIMUM AND 0.015 INCHES MAXIMUM IN
MaterialIRON CAST
Bb End Chamfer Length0.030 INCHES NOMINAL IN
Outside Diameter0.626 INCHES MINIMUM AND 0.627 INCHES MAXIMUM IN
Major Diameter Length1.800 INCHES NOMINAL IN
Bb End Chamfer Angle in Deg45.0
Bb End Shank Diameter0.562 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
3820-00-930-1917 INTERCHANGEABLE
Drill,pneumatic,drifter
6720-01-628-1120G900 INTERCHANGEABLE
Camera System,digital
Ricoh Americas Corporation Dba Ricoh Business Solutions
Cross-Reference Index
Part NumberManufacturer
11657641-2 PRIMARY U S Army Tank Automotive Command Amsta-Im-Mm (USA)
G900 Trw Inc Trw Intl Trade Government Sales Dept (USA)
934646 PRIMARY Am General Llc (USA)
G900 Barmatic Products Co (USA)
Related Parts
3820-00-930-1917INTERCHANGEABLE
DRILL,PNEUMATIC,DRIFTER
6720-01-628-1120INTERCHANGEABLE
CAMERA SYSTEM,DIGITAL
G900

Frequently Asked Questions

What is NSN 2805-00-933-3535?

NSN 2805-00-933-3535 is a Guide,valve Stem, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 2805 (No Item Name Available). Status: active.

What are the part numbers for NSN 2805-00-933-3535?

NSN 2805-00-933-3535 has 4 cross-referenced part numbers: 11657641-2 (U S Army Tank Automotive Command Amsta-Im-Mm), G900 (Trw Inc Trw Intl Trade Government Sales Dept), 934646 (Am General Llc), G900 (Barmatic Products Co).

What NSN replaces 2805-00-933-3535?

There are 2 known substitutes for 2805-00-933-3535: 3820-00-930-1917, 6720-01-628-1120. Verify interchangeability with system specifications before substitution.

What are the specifications of 11657641-2?

Key specifications for 11657641-2: Aa End Chamfer Length: 0.100 INCHES NOMINAL IN; Style Designator: PLAIN, SHOULDERED; Shoulder First Fillet Radius: 0.010 INCHES MINIMUM AND 0.015 INCHES MAXIMUM IN; Aa End Radius: 0.010 INCHES MINIMUM AND 0.015 INCHES MAXIMUM IN. 11 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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