The Stem,fluid Valve, cataloged under National Stock Number 4820-01-267-1589, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Meggitt North Hollywood Inc. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-267-1589 |
| Primary Part Number | 738538 |
| Item Name | Stem,fluid Valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Meggitt North Hollywood Inc |
| Status | ACTIVE |
| Surface Treatment Document and Classification | AMS 5643 ASSN STD SINGLE TREATMENT RESPONSE |
| Material | STEEL |
| 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 |
|---|---|
| 738538 PRIMARY | Meggitt North Hollywood Inc (USA) |
| Reference | Meaning |
|---|---|
| 738538 | 5/9 Secondary reference U.S. Government activity |
NSN 4820-01-267-1589 is a Stem,fluid Valve, manufactured by Meggitt North Hollywood Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-267-1589 has 1 manufacturer part number on file: 738538 (Meggitt North Hollywood Inc).
Key specifications for 738538: Surface Treatment Document and Classification: AMS 5643 ASSN STD SINGLE TREATMENT RESPONSE; Overall Length: 0.758 INCHES NOMINAL IN; Special Features: ADD'L DATA: HEAT TREAT PER CAGEC 99167 SPEC NO. PN09.17-4-PH-1,PRE- CIPITATION HARDEN 40-47 HRC; ONE END 0.086 IN. MIN TO 0.094 IN. MAX DIA WITH SPHERICAL RADIUS O.047 IN. PLUS OR MINUS 0.002 IN.; OTHER END 0.083 IN. MIN TO 0.093 IN. MAX DIA AND IN- CLUDES SHOULDER IN; End Item Identification: F101-102 TURBO FAN ENGINE; ACFT,TYPE B-1B. 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 4820-01-267-1589 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.