The Strainer,sediment, cataloged under National Stock Number 4730-01-428-6879, 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 Bermingham Controls, Inc., a California Corporation Dba Bermingham Controls Inc. Government technical data includes 10 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through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-428-6879 |
| Primary Part Number | 71310-03B |
| Item Name | Strainer,sediment |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Bermingham Controls, Inc., a California Corporation Dba Bermingham Controls Inc |
| Status | ACTIVE |
| Distance From Bottom of Body to Center of Inlet | 2.250 INCHES NOMINAL IN |
| First Intake Nominal Thread Size | 0.375 INCHES IN |
| First Intake Thread Series Designator | NPT |
| First Intake Connection Type | THREADED INTERNAL PIPE LINE |
| Style Designator | Y STRAINER W/THREADED COVER |
| Body Length | 3.375 INCHES NOMINAL IN |
| First Discharge Connection Relationship to Intake Connection | IDENTICAL TO FIRST INTAKE CONNECTION |
| Material | COPPER ALLOY BODY |
| Material | NICKEL ALLOY FILTERING MEDIUM |
| Mounting Type | INLET CONNECTION AND OUTLET CONNECTION LINE |
| 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 |
|---|---|
| 71310-03B | Bermingham Controls, Inc., a California Corporation Dba Bermingham Controls Inc (USA) |
| Reference | Meaning |
|---|---|
| X44A-03 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| 71310-03 | 5/9 Secondary reference U.S. Government activity |
| 10251-03 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| 71310-03 | C/1 Advisory reference — outside the item-of-supply concept Bermingham Controls, Inc., a California Corporation Dba Bermingham Controls Inc |
| 71310-03B | 3/2 Design control — primary reference U.S. Government activity |
| X44A | 5/9 Secondary reference U.S. Government activity |
NSN 4730-01-428-6879 is a Strainer,sediment, manufactured by Bermingham Controls, Inc., a California Corporation Dba Bermingham Controls Inc, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-428-6879 has 1 manufacturer part number on file: 71310-03B (Bermingham Controls, Inc., a California Corporation Dba Bermingham Controls Inc).
1 possible match (shared part number, not a government interchangeability claim): 3040-01-503-7038. Verify interchangeability with system specifications before substitution.
Key specifications for 71310-03B: Distance From Bottom of Body to Center of Inlet: 2.250 INCHES NOMINAL IN; First Intake Nominal Thread Size: 0.375 INCHES IN; First Intake Thread Series Designator: NPT; First Intake Connection Type: THREADED INTERNAL PIPE LINE. 10 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.