The Strainer,sediment, cataloged under National Stock Number 4730-01-498-2775, 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 17 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-498-2775 |
| Primary Part Number | 7312118-AY99 |
| Item Name | Strainer,sediment |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Filtering Media Design | MESH SINGLE FILTERING MEDIA RESPONSE |
| Distance From Bottom of Body to Center of Inlet | 10.130 INCHES NOMINAL IN |
| First Intake Flange Length | 1.5625 INCHES NOMINAL IN |
| Body Width | 19.440 INCHES NOMINAL IN |
| First Intake Flange Outside Diameter | 17.880 INCHES NOMINAL IN |
| Body Height | 22.500 INCHES NOMINAL IN |
| First Intake Connection Type | RAISED FACE FLANGE TOP |
| Style Designator | OFFSET FLOW BASKET STRAINER W/ CLAMPED COVER |
| Operating Pressure | 200.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS |
| First Intake Flange Shape Style | ROUND W/UNTHREADED BOLT HOLES |
| First Discharge Connection Relationship to Intake Connection | IDENTICAL TO FIRST INTAKE CONNECTION |
| First Discharge Flange Face Style | PLAIN |
| Material | COPPER ALLOY BODY |
| Mounting Type | UNTHREADED HOLE BOTTOM |
| Mounting Type | UNTHREADED HOLE TOP SIDE |
| First Intake Flange Face Style | PLAIN |
| First Discharge Flange Shape Style | ROUND W/UNTHREADED BOLT HOLES |
| 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 |
|---|---|
| 7312118-AY99 PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 7312118 | D/9 Drawing number reference only Naval Sea Systems Command |
NSN 4730-01-498-2775 is a Strainer,sediment, manufactured by Naval Sea Systems Command, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-498-2775 has 1 manufacturer part number on file: 7312118-AY99 (Naval Sea Systems Command).
Key specifications for 7312118-AY99: Filtering Media Design: MESH SINGLE FILTERING MEDIA RESPONSE; Distance From Bottom of Body to Center of Inlet: 10.130 INCHES NOMINAL IN; First Intake Flange Length: 1.5625 INCHES NOMINAL IN; Body Width: 19.440 INCHES NOMINAL IN. 17 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.