The Guide,valve Stem, cataloged under National Stock Number 4820-01-196-0062, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road). Government technical data includes 13 specifications, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-196-0062 |
| Primary Part Number | 3163812-4 |
| Item Name | Guide,valve Stem |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road) |
| Status | ACTIVE |
| FSC Application Data | MISCELLANEOUS ENGINE ACCESSORIES,NONAIRCRAFT |
| Aa End Chamfer Angle in Deg | 30.0 |
| Aa End Chamfer Length | 0.091 INCHES NOMINAL IN |
| Major Diameter Length | 0.195 INCHES NOMINAL IN |
| Bb End Shank Diameter | 0.210 INCHES NOMINAL IN |
| Style Designator | PLAIN-STEPPED SHOULDER |
| Outside Diameter | 1.370 INCHES NOMINAL IN |
| Length From Aa End to Largest Diameter Face | 0.663 INCHES NOMINAL IN |
| Aa End Diameter | 0.360 INCHES NOMINAL IN |
| Bb End Chamfer Angle in Deg | 30.0 |
| Material | STEEL CORROSION RESISTING |
| Shoulder First Fillet Radius | 0.030 INCHES NOMINAL IN |
| Shoulder Length | 0.200 INCHES NOMINAL IN |
| 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 |
|---|---|
| 3163812-4 | Service & Sales Inc (USA) |
| 3163812-4 PRIMARY | Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road) (USA) |
| Reference | Meaning |
|---|---|
| 3163812-4 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
NSN 4820-01-196-0062 is a Guide,valve Stem, manufactured by Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road), classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-196-0062 has 2 manufacturer part numbers on file: 3163812-4 (Service & Sales Inc), 3163812-4 (Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road)).
Key specifications for 3163812-4: FSC Application Data: MISCELLANEOUS ENGINE ACCESSORIES,NONAIRCRAFT; Aa End Chamfer Angle in Deg: 30.0; Aa End Chamfer Length: 0.091 INCHES NOMINAL IN; Major Diameter Length: 0.195 INCHES NOMINAL IN. 13 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.