The Fixture,engine Maintenance,aircr, cataloged under National Stock Number 4920-01-591-5263, 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 U S Special Operations Command Macdill Air Force Base Sordac-J4. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4920-01-591-5263 |
| Primary Part Number | M155004 |
| Item Name | Fixture,engine Maintenance,aircr |
| FSC / FSG | 4920 / 49 — Aircraft Maintenance and Repair Shop Specialized Equipment |
| Manufacturer | U S Special Operations Command Macdill Air Force Base Sordac-J4 |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| M155004 PRIMARY | U S Special Operations Command Macdill Air Force Base Sordac-J4 (USA) |
| Reference | Meaning |
|---|---|
| M155004 | 3/9 Design control — primary reference L-3 Communications Integrated Systems L.p. Dba Special Support Programs Division Div Special Support Programs |
NSN 4920-01-591-5263 is a Fixture,engine Maintenance,aircr, manufactured by U S Special Operations Command Macdill Air Force Base Sordac-J4, classified under FSC 4920, Aircraft Maintenance and Repair Shop Specialized Equipment. Status: active.
NSN 4920-01-591-5263 has 1 manufacturer part number on file: M155004 (U S Special Operations Command Macdill Air Force Base Sordac-J4).
Key specifications for M155004: Special Features: MM-60M TUBE, CUSTOMER BLEED AIR, RHS EMGINE, 1.250 DIA X .020 WALL THK TUBE X 10.00 INCHES LENGTH, 321 CRES PER SAE AMS 5557 IN. 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.
NSN 4920-01-591-5263 has DEMIL Code B. 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.