The Tool,piston Guide, cataloged under National Stock Number 5120-00-159-8820, is classified within Federal Supply Class 5120 (Hand Tools, Nonedged, Nonpowered) of the Hand Tools group. The manufacturer of record is Bae Systems Global Combat Systems Limited. The record lists 2 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Tool,piston Guide |
| FSC / FSG | 5120 — Hand Tools, Nonedged, Nonpowered (FSG 51) |
| Manufacturers | Bae Systems Global Combat Systems Limited (CAGE K3743) |
| Parameter | Value |
|---|---|
| NSN | 5120-00-159-8820 |
| Primary Part Number | D5E10600-161 |
| Item Name | Tool,piston Guide |
| FSC / FSG | 5120 / 51 — Hand Tools, Nonedged, Nonpowered |
| Manufacturer | Bae Systems Global Combat Systems Limited |
| 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 |
|---|---|
| 7R252 | Bae Systems Global Combat Systems Limited (GBR) |
| D5E10600-161 PRIMARY | Bae Systems Global Combat Systems Limited (GBR) |
| Reference | Meaning |
|---|---|
| 7R252 | 5/9 Secondary reference British Aerospace (military Aircraft & Aerostructures) |
| 7R252 | C/1 Advisory reference — outside the item-of-supply concept Bae Systems (operations) Limited |
NSN 5120-00-159-8820 is a Tool,piston Guide, manufactured by Bae Systems Global Combat Systems Limited, classified under FSC 5120, Hand Tools, Nonedged, Nonpowered. Status: active.
NSN 5120-00-159-8820 has 2 manufacturer part numbers on file: 7R252 (Bae Systems Global Combat Systems Limited), D5E10600-161 (Bae Systems Global Combat Systems Limited).
1 possible match (shared part number, not a government interchangeability claim): 5930-01-188-2274. Verify interchangeability with system specifications before substitution.
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.