The Wrench Adapter,airc, cataloged under National Stock Number 4920-01-509-3367, is classified within Federal Supply Class 4920 (Aircraft Maintenance and Repair Shop Specialized Equipment) of the Maintenance and Repair Shop Equipment group. The manufacturer of record is Peerless Aerospace, Llc. The record lists 6 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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.
| Item Name | Wrench Adapter,airc |
| FSC / FSG | 4920 — Aircraft Maintenance and Repair Shop Specialized Equipment (FSG 49) |
| Manufacturers | Peerless Aerospace, Llc (CAGE 2G586); T.p.s. Aviation Inc (CAGE 5R386); Align Aerospace Llc (CAGE 56563); Boeing Distribution Services X, Inc. (CAGE 2N935); Adept Fasteners Inc (CAGE 1V0G6) |
| Parameter | Value |
|---|---|
| NSN | 4920-01-509-3367 |
| Primary Part Number | MRBF-07 |
| Item Name | Wrench Adapter,airc |
| FSC / FSG | 4920 / 49 — Aircraft Maintenance and Repair Shop Specialized Equipment |
| Manufacturer | Peerless Aerospace, Llc |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| MRBF-07 | Peerless Aerospace, Llc (USA) |
| MRBF-07 | T.p.s. Aviation Inc (USA) |
| MRBF-07 | Align Aerospace Llc (USA) |
| MRBF-07 | Boeing Distribution Services X, Inc. (USA) |
| MRBF-07 | Adept Fasteners Inc (USA) |
| MRBF-07 | Us Air Tool Co., Inc. (USA) |
| Reference | Meaning |
|---|---|
| MRBF-07 | 3/2 Design control — primary reference U.S. Government activity |
| MRBFDN-07 | 5/9 Secondary reference U.S. Government activity |
NSN 4920-01-509-3367 is a Wrench Adapter,airc, manufactured by Peerless Aerospace, Llc, classified under FSC 4920, Aircraft Maintenance and Repair Shop Specialized Equipment. Status: active.
NSN 4920-01-509-3367 has 6 manufacturer part numbers on file: MRBF-07 (Peerless Aerospace, Llc), MRBF-07 (T.p.s. Aviation Inc), MRBF-07 (Align Aerospace Llc), MRBF-07 (Boeing Distribution Services X, Inc.), MRBF-07 (Adept Fasteners Inc) and 1 more.
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.