The Coupling,drainage Pipe, cataloged under National Stock Number 4730-01-171-1944, 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 Nibco Inc Chemtrol Div. Government technical data includes 13 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through both NSN and commercial part number lookups. 7 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 4730-01-171-1944 |
| Primary Part Number | 5803-2 2IN |
| Item Name | Coupling,drainage Pipe |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Nibco Inc Chemtrol Div |
| Status | ACTIVE |
| Nominal Pipe Size Accommodated | 2.000 INCHES SECOND END IN |
| Connection Style | SOCKET (PIPE) SECOND END |
| Connection Style | PLAIN (PIPE) FIRST END |
| Nominal Overall Length | 1.750 INCHES IN |
| Connection Type | THREADED INTERNAL PIPE FIRST END |
| Connection Type | UNTHREADED INTERNAL PIPE SECOND END |
| Material Document and Classification | ASTM-D2661,CL4-2-2 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Size | 2.000 INCHES FIRST END IN |
| Specification/standard Data | 81348-L-P-322B GOVERNMENT SPECIFICATION |
| Nondefinitive Spec/std Data | 2 SIZE |
| Pipe Wall Thickness Designation for Which Designed | SCHEDULE 40 ALL ENDS |
| Material | PLASTIC ACRYLONITRILE-BUTADIENE-STYRENE (ABS) OVERALL |
| Thread Series Designator | NPT FIRST END |
| 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 |
|---|---|
| 5803-2 2IN | Nibco Inc Chemtrol Div (USA) |
| Reference | Meaning |
|---|---|
| 93702 | 5/9 Secondary reference George Fischer Sloane, Inc. |
| 5803-2 2IN | 5/9 Secondary reference Nibco Inc |
| L-P-322 | 5/9 Secondary reference U.S. Government activity |
| A702-ABS | 3/9 Design control — primary reference Tyler Pipe Industries Inc |
| 3702-ABS | 5/9 Secondary reference George Fischer Sloane, Inc. |
| 3262-ABS | 5/9 Secondary reference Plastiline Inc |
| 5803-2 2IN | 5/9 Secondary reference Nibco Inc |
NSN 4730-01-171-1944 is a Coupling,drainage Pipe, manufactured by Nibco Inc Chemtrol Div, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-171-1944 has 1 manufacturer part number on file: 5803-2 2IN (Nibco Inc Chemtrol Div).
2 possible matches (shared part number, not a government interchangeability claim): 5355-01-347-7738, 6150-01-571-0872. Verify interchangeability with system specifications before substitution.
Key specifications for 5803-2 2IN: Nominal Pipe Size Accommodated: 2.000 INCHES SECOND END IN; Connection Style: SOCKET (PIPE) SECOND END; Connection Style: PLAIN (PIPE) FIRST END; Nominal Overall Length: 1.750 INCHES IN. 13 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.