The Screen Assembly,valve, cataloged under National Stock Number 4810-00-075-4304, is classified within Federal Supply Class 4810 (Valves, Powered) of the Valves group. The manufacturer of record is Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney. Government technical data includes 3 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4810-00-075-4304 |
| Primary Part Number | 802906 |
| Item Name | Screen Assembly,valve |
| FSC / FSG | 4810 / 48 — Valves, Powered |
| Manufacturer | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney |
| Status | ACTIVE |
| FSC Application Data | VALVE,BUTTERFLY,COMPRESSOR BLEED SYSTEM TF33 ENGINE |
| General Characteristics Item Description | CONSISTS OF: 1 STEEL FRAME; 1 STEEL SCREEN; 3.500 MESH SCREEN; 0.046 IN. MIN TO 0.6100 IN. MAX DIA; MARK TOP OF FRAME WITH IDENT PER SPEC PWA 310 CLASS 26; APPL TO NSN 4810-00-910-2918 IN |
| Criticality Code Justification | FEAT |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | Y |
| Part Number | Manufacturer |
|---|---|
| 802906 PRIMARY | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
| Reference | Meaning |
|---|---|
| 487055 | 5/9 Secondary reference Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney |
NSN 4810-00-075-4304 is a Screen Assembly,valve, manufactured by Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney, classified under FSC 4810, Valves, Powered. Status: active.
NSN 4810-00-075-4304 has 1 manufacturer part number on file: 802906 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).
Key specifications for 802906: FSC Application Data: VALVE,BUTTERFLY,COMPRESSOR BLEED SYSTEM TF33 ENGINE; General Characteristics Item Description: CONSISTS OF: 1 STEEL FRAME; 1 STEEL SCREEN; 3.500 MESH SCREEN; 0.046 IN. MIN TO 0.6100 IN. MAX DIA; MARK TOP OF FRAME WITH IDENT PER SPEC PWA 310 CLASS 26; APPL TO NSN 4810-00-910-2918 IN; Criticality Code Justification: FEAT; Special Features: DUE TO CRITICAL FEATURES, TOLERANCES, FIT RESTRICTIONS, MATERIAL PROPERTIES AND MANUFACTURING PROCESS. FAILURE COULD RESULT IN LOSS OR SUBSTANTIAL DAMAGE TO WEAPON SYSTEM, DEATH OR SERIOUS INJURY. 3 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.
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.