The Bracket Assembly,heater,fuel De-, cataloged under National Stock Number 2840-00-055-9598, 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 Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney. Government technical data includes 2 specifications, 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 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 | 2840-00-055-9598 |
| Primary Part Number | 421711 |
| Item Name | Bracket Assembly,heater,fuel De- |
| FSC / FSG | 2840 / 28 — Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components |
| Manufacturer | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney |
| Status | ACTIVE |
| FSC Application Data | ACFT KET EMGOME.TF33 |
| General Characteristics Item Description | CRES,AMS5504,BRACKET MATERIAL,ROCKWELL C30-38 BRACKET MATERIALHARDNESS,2.366 IN. LONG LEG LG,0.896-0.916 IN. SHORT LEG LG,0.598-0.602 IN. CENTER LEG LG,0.071-0.078 IN. BRACKET MATERIAL THK,1 P/N 518109 NUT ON SHORT LEG,3 MTG HOLES ON LONG LEG IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 421711 PRIMARY | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
NSN 2840-00-055-9598 is a Bracket Assembly,heater,fuel De-, manufactured by Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney, classified under FSC 2840, Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components. Status: active.
NSN 2840-00-055-9598 has 1 manufacturer part number on file: 421711 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).
1 possible match (shared part number, not a government interchangeability claim): 5950-01-003-3281. Verify interchangeability with system specifications before substitution.
Key specifications for 421711: FSC Application Data: ACFT KET EMGOME.TF33; General Characteristics Item Description: CRES,AMS5504,BRACKET MATERIAL,ROCKWELL C30-38 BRACKET MATERIALHARDNESS,2.366 IN. LONG LEG LG,0.896-0.916 IN. SHORT LEG LG,0.598-0.602 IN. CENTER LEG LG,0.071-0.078 IN. BRACKET MATERIAL THK,1 P/N 518109 NUT ON SHORT LEG,3 MTG HOLES ON LONG LEG IN. 2 specifications are 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 2840-00-055-9598 has DEMIL Code Q. 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.