The Strainer Element,sediment, cataloged under National Stock Number 4730-01-323-2082, 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 Naval Sea Systems Command. Government technical data includes 11 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 5 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-323-2082 |
| Primary Part Number | 6397291-31 |
| Item Name | Strainer Element,sediment |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Filtering Media Design | PERFORATED |
| Length | 28.100 INCHES NOMINAL IN |
| First End Flange Thickness | 0.500 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN |
| End Connection Type | PLAIN SECOND END |
| End Connection Type | FLANGED FIRST END |
| Perforation Quantity | 3.0 PER SQUARE INCH |
| Style Designator | CYLINDRICAL |
| Material Document and Classification | ASTM-A276,CONDA ASSN STD SINGLE MATERIAL RESPONSE |
| Element Outside Diameter | 8.260 INCHES NOMINAL IN |
| Material | STEEL COMP 304L |
| Perforation Diameter | 0.500 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 |
|---|---|
| 803-6397291-31 | Naval Sea Systems Command (USA) |
| 6397291-31 PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 6397291 | D/9 Drawing number reference only Naval Sea Systems Command |
NSN 4730-01-323-2082 is a Strainer Element,sediment, manufactured by Naval Sea Systems Command, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-323-2082 has 2 manufacturer part numbers on file: 803-6397291-31 (Naval Sea Systems Command), 6397291-31 (Naval Sea Systems Command).
5 possible matches (shared part number, not a government interchangeability claim): 4820-01-323-3059, 4730-01-323-5039, 4330-01-323-7727. Verify interchangeability with system specifications before substitution.
Key specifications for 6397291-31: Filtering Media Design: PERFORATED; Length: 28.100 INCHES NOMINAL IN; First End Flange Thickness: 0.500 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN; End Connection Type: PLAIN SECOND END. 11 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.