The Strainer Element,sediment, cataloged under National Stock Number 4730-01-045-7779, 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 Staples & Pfeiffer, Inc.. Government technical data includes 9 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-045-7779 |
| Primary Part Number | 973-4INPC6.045M |
| Item Name | Strainer Element,sediment |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Staples & Pfeiffer, Inc. |
| Status | ACTIVE |
| Filtering Media Design | PERFORATED |
| Length | 8.125 INCHES NOMINAL IN |
| End Connection Type | PLAIN FIRST END |
| Perforation Quantity | 195.0 PER SQUARE INCH |
| Style Designator | CYLINDRICAL |
| Material Document and Classification | QQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE |
| Element Outside Diameter | 4.875 INCHES NOMINAL IN |
| Material | NICKEL ALLOY 400 |
| Perforation Diameter | 0.045 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 |
|---|---|
| 973-4INPC6.045M PRIMARY | Staples & Pfeiffer, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 973-4IN-6 045INM | 5/9 Secondary reference Staples & Pfeiffer, Inc. |
| 973-4INPIECE6.0 | C/1 Advisory reference — outside the item-of-supply concept Staples & Pfeiffer, Inc. |
NSN 4730-01-045-7779 is a Strainer Element,sediment, manufactured by Staples & Pfeiffer, Inc., classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-045-7779 has 1 manufacturer part number on file: 973-4INPC6.045M (Staples & Pfeiffer, Inc.).
Key specifications for 973-4INPC6.045M: Filtering Media Design: PERFORATED; Length: 8.125 INCHES NOMINAL IN; End Connection Type: PLAIN FIRST END; Perforation Quantity: 195.0 PER SQUARE INCH. 9 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.