The Nozzle,bleed Valve, cataloged under National Stock Number 2840-00-613-2546, is classified within Federal Supply Class 2840 (Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components) of the Engines, Turbines, and Components group. The manufacturer of record is Rolls-Royce Corporation. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 5 items share a part number with this NSN in the catalog (possible match — not a government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 | 2840-00-613-2546 |
| Primary Part Number | 6874818-3 |
| Item Name | Nozzle,bleed Valve |
| FSC / FSG | 2840 / 28 — Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components |
| Manufacturer | Rolls-Royce Corporation |
| Status | ACTIVE |
| General Characteristics Item Description | CRES AMS 5613, ROCKWELL C SCALE 32 MIN, 36 MAX HARDNESS; 1.030 IN. NOM O/A LG; HEX 1ST END, 0.367 IN. MIN, 0.376 IN. MAX W ACROSS FLATS, 0.270 IN. NOM LG, 0.047 IN. NOM DIA THRU HOLE DRILLED ACROSS FLATS 0.155 IN. NOM DISTANCE FROM END; THD 2ND END, 0.375 IN.-16 UNC CLASS 3A THD, 0.680 IN. NOM LG THD ; 0.190 IN. NOM ID 1ST END; 0.042 IN. MIN, 0.043 IN. MAX ID 2ND END A |
| 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 |
|---|---|
| 6874818-3 PRIMARY | Rolls-Royce Corporation (USA) |
| 6874818P-3 PRIMARY | Pacific Sky Supply, Inc. Dba Pacific Sky Supply Inc (USA) |
| Reference | Meaning |
|---|---|
| 6874818-3 | 5/9 Secondary reference Allison Transmission Inc Dba Allison Transmission, Inc |
| AT6874818 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
NSN 2840-00-613-2546 is a Nozzle,bleed Valve, manufactured by Rolls-Royce Corporation, classified under FSC 2840, Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components. Status: active.
NSN 2840-00-613-2546 has 2 manufacturer part numbers on file: 6874818-3 (Rolls-Royce Corporation), 6874818P-3 (Pacific Sky Supply, Inc. Dba Pacific Sky Supply Inc).
5 possible matches (shared part number, not a government interchangeability claim): 2840-00-613-2547, 2840-00-613-2548, 2840-00-613-2549. Verify interchangeability with system specifications before substitution.
Key specifications for 6874818-3: General Characteristics Item Description: CRES AMS 5613, ROCKWELL C SCALE 32 MIN, 36 MAX HARDNESS; 1.030 IN. NOM O/A LG; HEX 1ST END, 0.367 IN. MIN, 0.376 IN. MAX W ACROSS FLATS, 0.270 IN. NOM LG, 0.047 IN. NOM DIA THRU HOLE DRILLED ACROSS FLATS 0.155 IN. NOM DISTANCE FROM END; THD 2ND END, 0.375 IN.-16 UNC CLASS 3A THD, 0.680 IN. NOM LG THD ; 0.190 IN. NOM ID 1ST END; 0.042 IN. MIN, 0.043 IN. MAX ID 2ND END A. 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.