The Insert,air Intake, cataloged under National Stock Number 2810-00-448-6742, 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2810-00-448-6742 |
| Primary Part Number | 34857 |
| Item Name | Insert,air Intake |
| FSC / FSG | 2810 / 28 — Gasoline Reciprocating Engines, Aircraft Prime Mover; and Components |
| Manufacturer | Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp. |
| Status | ACTIVE |
| General Characteristics Item Description | MATL MAGNESIUM PER AMS 4484; 1.801 IN. MIN AND 1.806 IN. MAX LONG; BODY 7.434 IN. MIN AND 7.436 IN. MAX OD; FLANGE 8.3125 IN. OD; SECOND END 7.438 IN. MIN AND 7.440 IN. MAX OD; 3 HOLES 0.40625 IN. DIA; 6 HOLES 0.265625 IN. DIA; 1 HOLE 0.489 IN. DIA IN |
| 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 |
|---|---|
| 34857 PRIMARY | Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp. (CAN) |
| Reference | Meaning |
|---|---|
| AS34857 | 5/9 Secondary reference Aircraft Supplies |
| 34857 | 5/9 Secondary reference Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney |
NSN 2810-00-448-6742 is a Insert,air Intake, 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 2810-00-448-6742 has 1 manufacturer part number on file: 34857 (Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.).
3 possible matches (shared part number, not a government interchangeability claim): 1650-01-236-6337, 3020-01-377-6988, 5330-01-519-0923. Verify interchangeability with system specifications before substitution.
Key specifications for 34857: General Characteristics Item Description: MATL MAGNESIUM PER AMS 4484; 1.801 IN. MIN AND 1.806 IN. MAX LONG; BODY 7.434 IN. MIN AND 7.436 IN. MAX OD; FLANGE 8.3125 IN. OD; SECOND END 7.438 IN. MIN AND 7.440 IN. MAX OD; 3 HOLES 0.40625 IN. DIA; 6 HOLES 0.265625 IN. DIA; 1 HOLE 0.489 IN. DIA IN; End Item Identification: ACFT ENG R1830. 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.