The Strainer Element,sediment, cataloged under National Stock Number 4730-01-261-1089, 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 O. C. Keckley Company. Government technical data includes 4 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4730-01-261-1089 |
| Primary Part Number | 25158-A ITEM 2 .033PERF SS |
| Item Name | Strainer Element,sediment |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | O. C. Keckley Company |
| Status | ACTIVE |
| Filtering Media Design | PERFORATED |
| Perforation Quantity | 324.0 PER SQUARE INCH |
| Material | STEEL CORROSION RESISTING |
| Perforation Diameter | 0.033 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 |
|---|---|
| 25158-A ITEM 2 | O. C. Keckley Company (USA) |
| 25158-A ITEM 2 .033PERF SS PRIMARY | O. C. Keckley Company (USA) |
| Reference | Meaning |
|---|---|
| 25158-A | D/9 Drawing number reference only O. C. Keckley Company |
NSN 4730-01-261-1089 is a Strainer Element,sediment, manufactured by O. C. Keckley Company, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-261-1089 has 2 manufacturer part numbers on file: 25158-A ITEM 2 (O. C. Keckley Company), 25158-A ITEM 2 .033PERF SS (O. C. Keckley Company).
1 possible match (shared part number, not a government interchangeability claim): 4730-01-262-3319. Verify interchangeability with system specifications before substitution.
Key specifications for 25158-A ITEM 2 .033PERF SS: Filtering Media Design: PERFORATED; Perforation Quantity: 324.0 PER SQUARE INCH; Material: STEEL CORROSION RESISTING; Perforation Diameter: 0.033 INCHES NOMINAL IN. 4 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.