The Strainer Element,sediment, cataloged under National Stock Number 4730-00-403-0905, 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 Protectoseal Co Container Div. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government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 | 4730-00-403-0905 |
| Primary Part Number | 1273A-12 |
| Item Name | Strainer Element,sediment |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Protectoseal Co Container Div |
| Status | ACTIVE |
| Filtering Media Design | PERFORATED |
| Length | 11.875 INCHES NOMINAL IN |
| First End Flange Thickness | 0.156 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN |
| End Connection Type | PLAIN SECOND END |
| End Connection Type | FLANGED FIRST END |
| Perforation Quantity | 160.0 PER SQUARE INCH |
| Style Designator | CYLINDRICAL |
| Element Outside Diameter | 1.750 INCHES NOMINAL IN |
| Material | STEEL |
| Perforation Diameter | 0.040 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 |
|---|---|
| 1273A-12 PRIMARY | Protectoseal Co Container Div (USA) |
| Reference | Meaning |
|---|---|
| 1273-12 | 5/9 Secondary reference Protectoseal Co Container Div |
NSN 4730-00-403-0905 is a Strainer Element,sediment, manufactured by Protectoseal Co Container Div, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-00-403-0905 has 1 manufacturer part number on file: 1273A-12 (Protectoseal Co Container Div).
4 possible matches (shared part number, not a government interchangeability claim): 5996-00-444-9832, 5310-00-595-5839, 1650-01-384-8665. Verify interchangeability with system specifications before substitution.
Key specifications for 1273A-12: Filtering Media Design: PERFORATED; Length: 11.875 INCHES NOMINAL IN; First End Flange Thickness: 0.156 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN; End Connection Type: PLAIN SECOND END. 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.