The Strainer,sediment, cataloged under National Stock Number 4730-01-412-5243, 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 Oil States Industries, Inc. Div Special Products Div. Government technical data includes 19 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. 2 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 | 4730-01-412-5243 |
| Primary Part Number | ND8371 |
| Item Name | Strainer,sediment |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Oil States Industries, Inc. Div Special Products Div |
| Status | ACTIVE |
| Filtering Media Design | PERFORATED SINGLE FILTERING MEDIA RESPONSE |
| Body Outside Diameter | 7.750 INCHES NOMINAL IN |
| First Intake Flange Thickness | 1.250 INCHES NOMINAL IN |
| Temp Rating | 160.0 FAHRENHEIT NOMINAL DEGF |
| First Intake Flange Outside Diameter | 6.880 INCHES NOMINAL IN |
| First Intake Connection Type | RECESSED FLANGE LINE |
| Perforation Quantity | 8.0 PER SQUARE INCH |
| Style Designator | INLINE (HYDRAULIC) |
| Material Document and Classification | MIL-C-24679 MIL SPEC SINGLE MATERIAL RESPONSE BODY |
| First Intake Flange Shape Style | ROUND W/THREADED BOLT HOLES |
| First Intake Flange Recess Depth | 1.000 INCHES NOMINAL IN |
| Body Length | 5.000 INCHES NOMINAL IN |
| First Discharge Connection Relationship to Intake Connection | IDENTICAL TO FIRST INTAKE CONNECTION |
| Media for Which Designed | WATER |
| Material | COPPER ALLOY BODY |
| Perforation Diameter | 0.250 INCHES NOMINAL IN |
| Mounting Type | INLET CONNECTION AND OUTLET CONNECTION LINE |
| First Intake Flange Face Style | RECESSED |
| First Intake Flange Recess Diameter | 3.310 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 |
NSN 4730-01-412-5243 is a Strainer,sediment, manufactured by Oil States Industries, Inc. Div Special Products Div, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-412-5243 has 2 manufacturer part numbers on file: ND8371 (Oil States Industries, Inc. Div Special Products Div), 211036963 (Naval Sea Systems Command).
2 possible matches (shared part number, not a government interchangeability claim): 4730-01-413-8268, 4330-01-473-8873. Verify interchangeability with system specifications before substitution.
Key specifications for ND8371: Filtering Media Design: PERFORATED SINGLE FILTERING MEDIA RESPONSE; Body Outside Diameter: 7.750 INCHES NOMINAL IN; First Intake Flange Thickness: 1.250 INCHES NOMINAL IN; Temp Rating: 160.0 FAHRENHEIT NOMINAL DEGF. 19 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.