The Guide,engine Poppet Valve Tappet, cataloged under National Stock Number 2810-00-048-7539, is classified within Federal Supply Class 2810 (Gasoline Reciprocating Engines, Aircraft Prime Mover; and Components) of the Engines, Turbines, and Components group. The manufacturer of record is Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2810-00-048-7539 |
| Primary Part Number | 212793 |
| Item Name | Guide,engine Poppet Valve Tappet |
| FSC / FSG | 2810 / 28 — Gasoline Reciprocating Engines, Aircraft Prime Mover; and Components |
| Manufacturer | Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp. |
| Status | ACTIVE |
| Material | ALUMINUM ALLOY 2017 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 212793 PRIMARY | Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp. (CAN) |
| Reference | Meaning |
|---|---|
| 212793 | 5/9 Secondary reference Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney |
NSN 2810-00-048-7539 is a Guide,engine Poppet Valve Tappet, manufactured by Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp., classified under FSC 2810, Gasoline Reciprocating Engines, Aircraft Prime Mover; and Components. Status: active.
NSN 2810-00-048-7539 has 1 manufacturer part number on file: 212793 (Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.).
1 possible match (shared part number, not a government interchangeability claim): 5365-01-166-1516. Verify interchangeability with system specifications before substitution.
Key specifications for 212793: Overall Length: 4.716 INCHES MINIMUM AND 4.756 INCHES MAXIMUM IN; Special Features: THD END 1.375 IN. DIA; FROM THD END 1.29 IN. DIA,FLANGE 1.25 IN. DIA,GROOVE 1.08 IN. DIA; BODY DECREASES IN DIA,1.1315 IN. DIA AT 0.781 IN. FROM FLANGE,1.1275 IN. DIA AT 2.078 IN. FROM FLANGE,1.1255 IN. DIA AT 3.219 IN. FROM FLANGE; SECOND END 1.062 IN. DIA,0.156 IN. LONG CHAMFERED END; THD END SLANTED 8.0 DEG IN; End Item Identification: R2800 ENG; Material: ALUMINUM ALLOY 2017. 1 specification is documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
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.