The Cover,fluid Strainer, cataloged under National Stock Number 4730-01-643-9366, is classified within Federal Supply Class 4730 (Hose, Pipe, Tube, Lubrication, and Railing Fittings) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Gross Mechanical Laboratories Inc. Government technical data includes 4 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-643-9366 |
| Primary Part Number | S-73-A |
| Item Name | Cover,fluid Strainer |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Gross Mechanical Laboratories Inc |
| Status | ACTIVE |
| Reference Data and Literature | CAGE INFO SHEET VD-S SERIES, 1 OF 1 |
| Fluid Filter Element Retainer | NOT INCLUDED |
| Peripheral Shape Style | CIRCULAR |
| Attachment Method | BOLTED |
| 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 |
|---|---|
| S-73-A PRIMARY | Gross Mechanical Laboratories Inc (USA) |
NSN 4730-01-643-9366 is a Cover,fluid Strainer, manufactured by Gross Mechanical Laboratories Inc, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-643-9366 has 1 manufacturer part number on file: S-73-A (Gross Mechanical Laboratories Inc).
Key specifications for S-73-A: Reference Data and Literature: CAGE INFO SHEET VD-S SERIES, 1 OF 1; Special Features: SUPPLIED AS SET OF 2, NEXT HIGHER ASSEMBLY VD-1000-S AND VD-1250-S VERTICAL DUPLEX STRAINERS; Fluid Filter Element Retainer: NOT INCLUDED; Peripheral Shape Style: CIRCULAR. 4 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.