PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

M12165-12BStrainer,suction

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 4210-00-202-9174 · FSC 4210 · No Item Name Available
Verified by PartsTable
NSN 4210-00-202-9174 — this item is cataloged by the U.S. Government under National Stock Number 4210-00-202-9174. Primary manufacturer part number: M12165-12B.
Features
  • Strainer,suction — FSC 4210
  • Filtering Element Quantity: 1
  • Body Length: 7.000 INCHES MAXIMUM IN
  • Style Designator: SUCTION TYPE BLUNT END
  • Material: COPPER ALLOY BODY
  • Specification/standard Data: 81349-MIL-S-12165 GOVERNMENT SPECIFICATION
  • Mounting Type: OUTLET CONNECTION LINE
  • Material: COPPER ALLOY SCREENING
Applications
  • Applications requiring Copper Alloy Body construction
General Description

The Strainer,suction, cataloged under National Stock Number 4210-00-202-9174, is classified within Federal Supply Class 4210 (No Item Name Available) of the Fire Fighting, Rescue, and Safety Equipment group. The primary manufacturer of record is Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4210-00-202-9174
Primary Part NumberM12165-12B
Item NameStrainer,suction
FSC / FSG4210 / 42 — No Item Name Available
ManufacturerMilitary Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
StatusACTIVE
Filtering Element Quantity1
Body Length7.000 INCHES MAXIMUM IN
Style DesignatorSUCTION TYPE BLUNT END
MaterialCOPPER ALLOY BODY
Specification/standard Data81349-MIL-S-12165 GOVERNMENT SPECIFICATION
Mounting TypeOUTLET CONNECTION LINE
MaterialCOPPER ALLOY SCREENING
Body Outside Diameter2.500 INCHES MINIMUM IN
Nondefinitive Spec/std DataII TYPE AND 2 SIZE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
4210-00-240-5530 INTERCHANGEABLE
Strainer,suction
4210-00-240-5531 INTERCHANGEABLE
Strainer,suction
4210-00-551-2989 INTERCHANGEABLE
Strainer,suction
4730-01-438-7250 INTERCHANGEABLE
Strainer,suction
Cross-Reference Index
Part NumberManufacturer
M12165-12B Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MILS12165ATYPE2 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
M12165-12 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-S-12165 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-DTL-12165 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
4210-00-240-5530INTERCHANGEABLE
STRAINER,SUCTION
4210-00-240-5531INTERCHANGEABLE
STRAINER,SUCTION
4210-00-551-2989INTERCHANGEABLE
STRAINER,SUCTION
4730-01-438-7250INTERCHANGEABLE
STRAINER,SUCTION

Frequently Asked Questions

What is NSN 4210-00-202-9174?

NSN 4210-00-202-9174 is a Strainer,suction, manufactured by Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M, classified under FSC 4210 (No Item Name Available). Status: active.

What are the part numbers for NSN 4210-00-202-9174?

NSN 4210-00-202-9174 has 5 cross-referenced part numbers: M12165-12B (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MILS12165ATYPE2 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), M12165-12 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-S-12165 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-DTL-12165 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 4210-00-202-9174?

There are 4 known substitutes for 4210-00-202-9174: 4210-00-240-5530, 4210-00-240-5531, 4210-00-551-2989 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of M12165-12B?

Key specifications for M12165-12B: Filtering Element Quantity: 1; Body Length: 7.000 INCHES MAXIMUM IN; Style Designator: SUCTION TYPE BLUNT END; Material: COPPER ALLOY BODY. 9 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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