The Adapter,tachometer Drive, cataloged under National Stock Number 2835-00-213-1689, is classified within Federal Supply Class 2835 (Gas Turbines and Jet Engines; Non-aircraft Prime Mover, Aircraft Non-prime Mover, and Components) of the Engines, Turbines, and Components group. The manufacturer of record is Solar Turbines Incorporated Dba Solar Turbines Incorporated. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government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 | 2835-00-213-1689 |
| Primary Part Number | 7339-1 |
| Item Name | Adapter,tachometer Drive |
| FSC / FSG | 2835 / 28 — Gas Turbines and Jet Engines; Non-aircraft Prime Mover, Aircraft Non-prime Mover, and Components |
| Manufacturer | Solar Turbines Incorporated Dba Solar Turbines Incorporated |
| Status | ACTIVE |
| General Characteristics Item Description | MATL CHROMOLY STEEL;0.875 IN. OD 1.005 IN. LG;FIRST STEP 0.875 IN. OD 0.075 IN. THK,SECOND STEP 0.4975 IN. OD 0.187 IN. THK,THIRD STEP 0.631 IN. LG 0.6475 OD,FOURTH STEP 0.045 IN. LG 0.455 IN. OD,FIFTH STEP 0.062 IN. LG 0.6475 IN. OD.;THIRD AND FIFTH STEPS SPLINED,12 TEETH PRESS ANGLE 30 DEG DEPTH 0.070 IN. APROX;INTERNAL 0.250 IN. SQUARE HOLE 0.599 IN. FROM FIRST STEP END SECOND END INTERNAL BORE 0.406 IN. LG,0.305 IN. OD;HEAT TREAT ROCKWELL C28-32;FINISH 100 AA ALLOVER 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 |
|---|---|
| 7339-1 PRIMARY | Solar Turbines Incorporated Dba Solar Turbines Incorporated (USA) |
| Reference | Meaning |
|---|---|
| 7339-1 | 5/9 Secondary reference Rtx Corporation Div Pratt & Whitney |
NSN 2835-00-213-1689 is a Adapter,tachometer Drive, manufactured by Solar Turbines Incorporated Dba Solar Turbines Incorporated, classified under FSC 2835, Gas Turbines and Jet Engines; Non-aircraft Prime Mover, Aircraft Non-prime Mover, and Components. Status: active.
NSN 2835-00-213-1689 has 1 manufacturer part number on file: 7339-1 (Solar Turbines Incorporated Dba Solar Turbines Incorporated).
3 possible matches (shared part number, not a government interchangeability claim): 3120-00-453-2791, 4820-01-025-6254, 4730-01-630-7882. Verify interchangeability with system specifications before substitution.
Key specifications for 7339-1: General Characteristics Item Description: MATL CHROMOLY STEEL;0.875 IN. OD 1.005 IN. LG;FIRST STEP 0.875 IN. OD 0.075 IN. THK,SECOND STEP 0.4975 IN. OD 0.187 IN. THK,THIRD STEP 0.631 IN. LG 0.6475 OD,FOURTH STEP 0.045 IN. LG 0.455 IN. OD,FIFTH STEP 0.062 IN. LG 0.6475 IN. OD.;THIRD AND FIFTH STEPS SPLINED,12 TEETH PRESS ANGLE 30 DEG DEPTH 0.070 IN. APROX;INTERNAL 0.250 IN. SQUARE HOLE 0.599 IN. FROM FIRST STEP END SECOND END INTERNAL BORE 0.406 IN. LG,0.305 IN. OD;HEAT TREAT ROCKWELL C28-32;FINISH 100 AA ALLOVER IN. 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.