General Characteristics Item Description: BLACK SYNTHETIC RUBBER DIAPHRAGM,STEEL CONTROL ROD,SPRING LOADED;3.250 IN.DIA DIAPHRAGM;SIX BOLT HOLES 0.190 IN.DIA ON A 2.875 IN.BOLT CIRCLE;2.190 IN.OVER-ALL H IN
Identification
NSN: 2910-00-774-2143
NIIN: 007742143
FSC: 2910 — Engine Fuel System Components, Nonaircraft
FSG: 29 — Engine Accessories
General Description
The Diaphragm Assembly,choke, cataloged under National Stock Number 2910-00-774-2143, is classified within Federal Supply Class 2910 (Engine Fuel System Components, Nonaircraft) of the Engine Accessories group. Government technical data includes 1 specification, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
2910-00-774-2143
Item Name
Diaphragm Assembly,choke
FSC / FSG
2910 / 29 — Engine Fuel System Components, Nonaircraft
Status
ACTIVE
General Characteristics Item Description
BLACK SYNTHETIC RUBBER DIAPHRAGM,STEEL CONTROL ROD,SPRING LOADED;3.250 IN.DIA DIAPHRAGM;SIX BOLT HOLES 0.190 IN.DIA ON A 2.875 IN.BOLT CIRCLE;2.190 IN.OVER-ALL H IN
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
No hazard code in the DLA record (HMIC N)
Criticality Code
X
Cross-Reference Index
No manufacturer part numbers on file in the U.S. Government catalog.
Reference documents
Reference
Meaning
M203-87S
3/9Design control — primary reference
Acf Industries Inc Carter Carburetor Div
No interchangeability data on file.
Other items in FSC 2910 — Engine Fuel System Components, Nonaircraft
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
2910-00-000-3322
2910-00-000-3322 · Item name not on file
2910-00-000-3636
2910-00-000-3636 · Item name not on file
2910-00-001-1282
2910-00-001-1282 · Item name not on file
2910-00-001-1285
2910-00-001-1285 · Item name not on file
2910-00-001-3841
ANCHOR,CAP
2910-00-001-3849
2910-00-001-3849 · Item name not on file
2910-00-001-3856
2910-00-001-3856 · Item name not on file
2910-00-001-3864
2910-00-001-3864 · Item name not on file
Frequently Asked Questions
What is NSN 2910-00-774-2143?
NSN 2910-00-774-2143 is a Diaphragm Assembly,choke, classified under FSC 2910, Engine Fuel System Components, Nonaircraft. Status: active.
What are the specifications of 2910-00-774-2143?
Key specifications for 2910-00-774-2143: General Characteristics Item Description: BLACK SYNTHETIC RUBBER DIAPHRAGM,STEEL CONTROL ROD,SPRING LOADED;3.250 IN.DIA DIAPHRAGM;SIX BOLT HOLES 0.190 IN.DIA ON A 2.875 IN.BOLT CIRCLE;2.190 IN.OVER-ALL H IN. 1 specification is documented in the U.S. Government catalog.
Is NSN 2910-00-774-2143 hazardous material?
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
Sources
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.