The Coupling,pipe, cataloged under National Stock Number 4730-01-181-6644, 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 14 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-181-6644 |
| Primary Part Number | 5804-2IN |
| Item Name | Coupling,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 FIRST END IN |
| Connection Style | SOCKET (PIPE) FIRST END |
| Connection Style | PLAIN (PIPE) SECOND END |
| Nominal Overall Length | 1.750 INCHES IN |
| Connection Type | UNTHREADED INTERNAL PIPE FIRST END |
| Connection Type | THREADED EXTERNAL PIPE SECOND END |
| Style Designator | PLAIN |
| Material Document and Classification | ASTMD2661 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Size | 2.000 INCHES SECOND END IN |
| Specification/standard Data | 81348-L-P-322 GOVERNMENT SPECIFICATION |
| Nondefinitive Spec/std Data | BLACK COLOR AND 2IPS SIZE AND MALE ADAPTER TYPE |
| Pipe Wall Thickness Designation for Which Designed | SCHEDULE STD FIRST END |
| Material | PLASTIC ACRYLONITRILE-BUTADIENE-STYRENE (ABS) OVERALL |
| Thread Series Designator | NPT SECOND 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 |
|---|---|
| 5804-2IN | Nibco Inc Chemtrol Div (USA) |
| Reference | Meaning |
|---|---|
| L-P-322 | 5/9 Secondary reference U.S. Government activity |
| A872A-ABS | 5/9 Secondary reference Tyler Pipe Industries Inc |
| 92872 | 5/9 Secondary reference George Fischer Sloane, Inc. |
| 5804-2IN | 5/9 Secondary reference Nibco Inc |
| 5804-2IN | 3/9 Design control — primary reference Nibco Inc |
NSN 4730-01-181-6644 is a Coupling,pipe, manufactured by Nibco Inc Chemtrol Div, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-181-6644 has 1 manufacturer part number on file: 5804-2IN (Nibco Inc Chemtrol Div).
Key specifications for 5804-2IN: Nominal Pipe Size Accommodated: 2.000 INCHES FIRST END IN; Connection Style: SOCKET (PIPE) FIRST END; Connection Style: PLAIN (PIPE) SECOND END; Nominal Overall Length: 1.750 INCHES IN. 14 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.