The Elbow,hose to Boss, cataloged under National Stock Number 4730-01-538-9298, 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 Crysteel Manufacturing, Inc Dba Crysteel Manufacturing Inc. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-538-9298 |
| Primary Part Number | 1643640 |
| Item Name | Elbow,hose to Boss |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Crysteel Manufacturing, Inc Dba Crysteel Manufacturing Inc |
| Status | ACTIVE |
| 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 |
|---|---|
| 1643640 PRIMARY | Crysteel Manufacturing, Inc Dba Crysteel Manufacturing Inc (USA) |
| 6801-3-2 | Tompkins Industries Inc (USA) |
| Reference | Meaning |
|---|---|
| 403734 | 3/9 Design control — primary reference Crysteel Manufacturing, Inc Dba Crysteel Manufacturing Inc |
NSN 4730-01-538-9298 is a Elbow,hose to Boss, manufactured by Crysteel Manufacturing, Inc Dba Crysteel Manufacturing Inc, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-538-9298 has 2 manufacturer part numbers on file: 1643640 (Crysteel Manufacturing, Inc Dba Crysteel Manufacturing Inc), 6801-3-2 (Tompkins Industries Inc).
Key specifications for 1643640: Special Features: STEEL PLATED; Part Name Assigned by Controlling Agency: ADAPTER 7/16 ORBM X 9/16 JICM 90 DEGREE; End Item Identification: 3990-01-443-8024 ENGINEERING MISSION MODULE USED ON THE PALLETIZED LOADING SYSTEM. 0 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.