The Stem,fluid Valve, cataloged under National Stock Number 4820-01-222-9685, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Ashcroft Inc Dba Heise. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4820-01-222-9685 |
| Primary Part Number | 5VYY72 PIECE 5 |
| Item Name | Stem,fluid Valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Ashcroft Inc Dba Heise |
| Status | ACTIVE |
| 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 |
|---|---|
| 5VYY72 PIECE 5 | Ashcroft Inc Dba Heise (USA) |
| Reference | Meaning |
|---|---|
| 83883 | 5/9 Secondary reference Ashcroft Inc Dba Heise |
| 83883 | 3/9 Design control — primary reference Dresser, Inc. Dba Dresser Equipment Group Div Industrial Valve Operations, Dresse |
| 5VYY72 | D/9 Drawing number reference only Ashcroft Inc Dba Heise |
NSN 4820-01-222-9685 is a Stem,fluid Valve, manufactured by Ashcroft Inc Dba Heise, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-222-9685 has 1 manufacturer part number on file: 5VYY72 PIECE 5 (Ashcroft Inc Dba Heise).
1 possible match (shared part number, not a government interchangeability claim): 5330-01-311-6298. Verify interchangeability with system specifications before substitution.
Key specifications for 5VYY72 PIECE 5: Special Features: CRES,ROLLED,QQ-S-00763A,CLASS FS-414,COND A; 12.062 IN. O/A LG; ONE END CHAMFERED,45 DEG ANGLE,1/32 IN. DEEP; SHAFT THD,5/8 IN. 18N-3 THD SIZE,1/2 IN. LG THD; OTHER END WITH BALL POINT,0.062 IN. OD A. 0 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.