The Coupling,pipe, cataloged under National Stock Number 4730-01-569-3359, 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 Donaldson Company, Inc.. Government technical data includes 5 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4730-01-569-3359 |
| Primary Part Number | P532956 |
| Item Name | Coupling,pipe |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Donaldson Company, Inc. |
| Status | ACTIVE |
| Nominal Pipe Size Accommodated | 3.500 INCHES ALL ENDS IN |
| Connection Style | PLAIN (TUBE) ALL ENDS |
| Connection Type | UNTHREADED INTERNAL PIPE ALL ENDS |
| Media for Which Designed | AIR SINGLE RESPONSE |
| Material | SILICON OVERALL |
| 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 |
|---|---|
| P532956 PRIMARY | Donaldson Company, Inc. (USA) |
| Reference | Meaning |
|---|---|
| P532956 | 5/9 Secondary reference Donaldson Co Inc |
| 2000374 | 5/9 Secondary reference General Dynamics Land Systems - Force Protection Inc. Dba Gdls Div Gdls-Fp |
NSN 4730-01-569-3359 is a Coupling,pipe, manufactured by Donaldson Company, Inc., classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-569-3359 has 1 manufacturer part number on file: P532956 (Donaldson Company, Inc.).
Key specifications for P532956: Nominal Pipe Size Accommodated: 3.500 INCHES ALL ENDS IN; Connection Style: PLAIN (TUBE) ALL ENDS; Connection Type: UNTHREADED INTERNAL PIPE ALL ENDS; Special Features: TM 9-2320-327-24P; AIR CLEANER ASSY. 5 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.