The Indicator,valve Opening, cataloged under National Stock Number 4820-01-583-7449, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Tri-State Technical Sales Corp. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4820-01-583-7449 |
| Primary Part Number | KIT-IND-BY |
| Item Name | Indicator,valve Opening |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Tri-State Technical Sales Corp |
| Status | ACTIVE |
| Material | PLASTIC CASE |
| 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 |
|---|---|
| KIT-IND-BY | Deacon Industrial Supply Co Inc (USA) |
| KIT-IND-BY PRIMARY | Tri-State Technical Sales Corp (USA) |
| Reference | Meaning |
|---|---|
| KIT-IND-BY | 5/9 Secondary reference Deacon Industrial Supply Co., Inc. Dba Deacon Automation |
NSN 4820-01-583-7449 is a Indicator,valve Opening, manufactured by Tri-State Technical Sales Corp, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-583-7449 has 2 manufacturer part numbers on file: KIT-IND-BY (Deacon Industrial Supply Co Inc), KIT-IND-BY (Tri-State Technical Sales Corp).
Key specifications for KIT-IND-BY: Special Features: KIT INCLUDES BLACK/YELLOW INDICATOR, CLEAR COVER, INDICATOR SETTING RING & SCREWS; Part Name Assigned by Controlling Agency: INDICATOR REPLACEMENT KIT; End Item Identification: NHA 01-5836739, P/N FMBY-5120; NEW CONSTRUCTION LCS3; Material: PLASTIC CASE. 1 specification is 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.