The Elbow,tube to Boss, cataloged under National Stock Number 4730-01-570-8963, 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. Government technical data includes 3 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-570-8963 |
| Primary Part Number | 1643972 |
| Item Name | Elbow,tube to Boss |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Crysteel Manufacturing, Inc Dba Crysteel Manufacturing Inc |
| Status | ACTIVE |
| Nominal Length | 1.310 INCHES FIRST END IN |
| Nominal Length | 1.970 INCHES SECOND END IN |
| 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 |
|---|---|
| 1643972 PRIMARY | Crysteel Manufacturing, Inc Dba Crysteel Manufacturing Inc (USA) |
| Reference | Meaning |
|---|---|
| 405555 | 5/9 Secondary reference Crysteel Manufacturing, Inc Dba Crysteel Manufacturing Inc |
NSN 4730-01-570-8963 is a Elbow,tube 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 4730-01-570-8963 has 1 manufacturer part number on file: 1643972 (Crysteel Manufacturing, Inc Dba Crysteel Manufacturing Inc).
Key specifications for 1643972: Nominal Length: 1.310 INCHES FIRST END IN; Nominal Length: 1.970 INCHES SECOND END IN; Special Features: INSIDE DIAMETER 0.484 INCHES, BOTH OPENINGS IN; Part Name Assigned by Controlling Agency: ADAPTER 1 ORSM X 7/8 ORBM 90 DEGREES. 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.