The Tube,base,inner, cataloged under National Stock Number 4710-01-291-4593, is classified within Federal Supply Class 4710 (Pipe, Tube and Rigid Tubing) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Syn-Tech System, Inc.. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4710-01-291-4593 |
| Primary Part Number | 8644852-1 |
| Item Name | Tube,base,inner |
| FSC / FSG | 4710 / 47 — Pipe, Tube and Rigid Tubing |
| Manufacturer | Syn-Tech System, Inc. |
| Status | ACTIVE |
| General Characteristics Item Description | CYLINDRICAL SHAPED FOR ACCOMMODATING A BOLT TO LIFT ARMS |
| 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 |
|---|---|
| 8644852-1 | Syn-Tech System, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 8644852-1 | 5/9 Secondary reference U.S. Government activity |
| 8644852-1 | 3/2 Design control — primary reference U.S. Government activity |
| 8644852-1 | 3/9 Design control — primary reference Air Armament Center/ En |
NSN 4710-01-291-4593 is a Tube,base,inner, manufactured by Syn-Tech System, Inc., classified under FSC 4710, Pipe, Tube and Rigid Tubing. Status: active.
NSN 4710-01-291-4593 has 1 manufacturer part number on file: 8644852-1 (Syn-Tech System, Inc.).
Key specifications for 8644852-1: General Characteristics Item Description: CYLINDRICAL SHAPED FOR ACCOMMODATING A BOLT TO LIFT ARMS; End Item Identification: 1730-01-227-8152. 1 specification is 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.