The Rub Block Assembly, cataloged under National Stock Number 1560-01-159-6726, is classified within Federal Supply Class 1560 (Airframe Structural Components) of the Aircraft and Airframe Components group. The manufacturer of record is Pro-Fab, Llc. The record lists 4 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 1560-01-159-6726 |
| Primary Part Number | 65-38991-11 |
| Item Name | Rub Block Assembly |
| FSC / FSG | 1560 / 15 — Airframe Structural Components |
| Manufacturer | Pro-Fab, Llc |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 65-38991-11 | Pro-Fab, Llc (USA) |
| 65-38991-11 | Infinity Fabrication, Inc. (USA) |
| 65-38991-11 | Malones Cnc Machining Inc (USA) |
| 65-38991-11 | D-J Engineering Inc Dba D-J Engineering Inc (USA) |
| Reference | Meaning |
|---|---|
| 65-38991-11 | 3/2 Design control — primary reference U.S. Government activity |
NSN 1560-01-159-6726 is a Rub Block Assembly, manufactured by Pro-Fab, Llc, classified under FSC 1560, Airframe Structural Components. Status: active.
NSN 1560-01-159-6726 has 4 manufacturer part numbers on file: 65-38991-11 (Pro-Fab, Llc), 65-38991-11 (Infinity Fabrication, Inc.), 65-38991-11 (Malones Cnc Machining Inc), 65-38991-11 (D-J Engineering Inc Dba D-J Engineering Inc).
Key specifications for 65-38991-11: End Item Identification: ACFT MODEL C/KC-135. 0 specifications are documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). Hazard information on this page is shown exactly as it appears in the DLA record.
NSN 1560-01-159-6726 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.