The Strainer Basket Assembly, cataloged under National Stock Number 4730-00-555-9340, 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 Ametek Inc Schutte and Koerting Div. 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-00-555-9340 |
| Primary Part Number | 57A21-4 |
| Item Name | Strainer Basket Assembly |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Ametek Inc Schutte and Koerting Div |
| Status | ACTIVE |
| Criticality Code Justification | ZZZY |
| Reference Number Differentiating Characteristics | CLEANED IN ACCORD. W/MIL-C-19874 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL F — Mutilate — Cut |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | Y |
| Part Number | Manufacturer |
|---|---|
| 57A21-4 | Ametek Inc Schutte and Koerting Div (USA) |
| Reference | Meaning |
|---|---|
| 57A21PC4 | 3/1 Design control — primary reference Ametek Inc Schutte and Koerting Div |
| 57E280REVAPC1 | 5/1 Secondary reference Ametek Inc Schutte and Koerting Div |
| 586-200-1721346REVADC1 | 5/1 Secondary reference U.S. Government activity |
NSN 4730-00-555-9340 is a Strainer Basket Assembly, manufactured by Ametek Inc Schutte and Koerting Div, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-00-555-9340 has 1 manufacturer part number on file: 57A21-4 (Ametek Inc Schutte and Koerting Div).
Key specifications for 57A21-4: Criticality Code Justification: ZZZY; Reference Number Differentiating Characteristics: CLEANED IN ACCORD. W/MIL-C-19874. 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 4730-00-555-9340 has DEMIL Code F. 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.