The Elbow,tube to Boss, cataloged under National Stock Number 4730-01-356-2653, 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 Oshkosh Defense Llc. Government technical data includes 3 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4730-01-356-2653 |
| Primary Part Number | 1890810 |
| Item Name | Elbow,tube to Boss |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Oshkosh Defense Llc |
| Status | ACTIVE |
| Operating Pressure | 7875.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Surface Treatment | ZINC OVERALL |
| Material | STEEL 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 |
|---|---|
| KRA12-12JBHMER | Primary Fluid Power Ltd (GBR) |
| KRA12-12JBHMER | Flowtech (GBR) |
| 1890810 PRIMARY | Oshkosh Defense Llc (USA) |
| A12-12JBHMER | Primary Fluid Power Ltd (GBR) |
| Reference | Meaning |
|---|---|
| A12-12JICBHMER | 5/9 Secondary reference Primary Fluid Power Ltd |
| 1890810 | 5/9 Secondary reference Oshkosh Corp |
NSN 4730-01-356-2653 is a Elbow,tube to Boss, manufactured by Oshkosh Defense Llc, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-356-2653 has 4 manufacturer part numbers on file: KRA12-12JBHMER (Primary Fluid Power Ltd), KRA12-12JBHMER (Flowtech), 1890810 (Oshkosh Defense Llc), A12-12JBHMER (Primary Fluid Power Ltd).
Key specifications for 1890810: Operating Pressure: 7875.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS; Surface Treatment: ZINC OVERALL; End Item Identification: 2320-01-442-1940, TRUCK, CBT, (COMMAND BRIDGE TRANSPORTER); HEMTT FAMILY (HEAVY EXPANDED MOBILITY TACTICAL TRUCKS); Material: STEEL OVERALL. 3 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.