The Sleeve,interstage Air Bleed, cataloged under National Stock Number 2840-00-034-1003, is classified within Federal Supply Class 2840 (Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components) of the Engines, Turbines, and Components 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1 specification, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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.
| Parameter | Value |
|---|---|
| NSN | 2840-00-034-1003 |
| Item Name | Sleeve,interstage Air Bleed |
| FSC / FSG | 2840 / 28 — Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components |
| Status | ACTIVE |
| General Characteristics Item Description | CRES AMS5743,ROCKWELL C SCALE 40 MIN,50 MAX HARDNESS,0.466 IN. MIN,0.467 IN. MAX OD BODY,0.610 IN. MIN,0.620 IN. MAX OD FLANGE,0.090 IN. MIN 0.100 IN. MAX W FLANGE,0.300 IN. MIN,0.310 IN. MAX BODY ID,0.2500 IN. MIN,0.2505 IN. MAX INTERNAL FLANGE HOLE DIA,0.090 IN. MIN,0.100 IN. MAX W GROOVE LOCATED OPPOSITE FLANGE 0.050 IN. MIN,0.060 IN. MAX FROM END,0.370 IN. MIN,0.372 IN. MAX DIA GROOVE DEPTH,2 HOLES PERPENDICULAR TO FLANGE FACE 0.069 IN. MIN,0.076 IN. MAX DIA,EQUALLY SPACED ON 0.460 IN.NOM BOLT CIRCLE DIA,0.160 IN. NOM HOLE DEPTH IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 2-160-271-01 | 3/2 Design control — primary reference U.S. Government activity |
NSN 2840-00-034-1003 is a Sleeve,interstage Air Bleed, classified under FSC 2840, Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components. Status: active.
Key specifications for 2840-00-034-1003: General Characteristics Item Description: CRES AMS5743,ROCKWELL C SCALE 40 MIN,50 MAX HARDNESS,0.466 IN. MIN,0.467 IN. MAX OD BODY,0.610 IN. MIN,0.620 IN. MAX OD FLANGE,0.090 IN. MIN 0.100 IN. MAX W FLANGE,0.300 IN. MIN,0.310 IN. MAX BODY ID,0.2500 IN. MIN,0.2505 IN. MAX INTERNAL FLANGE HOLE DIA,0.090 IN. MIN,0.100 IN. MAX W GROOVE LOCATED OPPOSITE FLANGE 0.050 IN. MIN,0.060 IN. MAX FROM END,0.370 IN. MIN,0.372 IN. MAX DIA GROOVE DEPTH,2 HOLES PERPENDICULAR TO FLANGE FACE 0.069 IN. MIN,0.076 IN. MAX DIA,EQUALLY SPACED ON 0.460 IN.NOM BOLT CIRCLE DIA,0.160 IN. NOM HOLE DEPTH IN; End Item Identification: T-55 SERIES ENGINES. 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.
NSN 2840-00-034-1003 has DEMIL Code B. Demilitarization may be required before disposal or transfer to non-military entities.
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.