The Tool Set,ball Valve, cataloged under National Stock Number 5120-01-103-8550, is classified within Federal Supply Class 5120 (Hand Tools, Nonedged, Nonpowered) of the Hand Tools group. Government technical data includes 1 specification, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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.
| Parameter | Value |
|---|---|
| NSN | 5120-01-103-8550 |
| Item Name | Tool Set,ball Valve |
| FSC / FSG | 5120 / 51 — Hand Tools, Nonedged, Nonpowered |
| Status | ACTIVE |
| General Characteristics Item Description | FOR MAINTENANCE OF 8 IN BALL VALVSTRAIGHT LINE 810-4385058;CONSISTS OF PT 100,PLATE BASE;PT 101,PLATE SLIDING;PT 102,STUD,BALL LIFTING;PT 103,PLATE INSTRUCTION;PT 104 PLATE,INSTRUCTION;PT 105 SCREW,DRIVE,ROUND HEAD;PT 106 BOLT,EYE;PT 107 NUT,JAM;PT 108 WRENCH FOR RETAINER SEAT IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 810-4385058PIECE 100 THRU 108 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5120-01-103-8550 is a Tool Set,ball Valve, classified under FSC 5120, Hand Tools, Nonedged, Nonpowered. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 4820-01-127-6759. Verify interchangeability with system specifications before substitution.
Key specifications for 5120-01-103-8550: General Characteristics Item Description: FOR MAINTENANCE OF 8 IN BALL VALVSTRAIGHT LINE 810-4385058;CONSISTS OF PT 100,PLATE BASE;PT 101,PLATE SLIDING;PT 102,STUD,BALL LIFTING;PT 103,PLATE INSTRUCTION;PT 104 PLATE,INSTRUCTION;PT 105 SCREW,DRIVE,ROUND HEAD;PT 106 BOLT,EYE;PT 107 NUT,JAM;PT 108 WRENCH FOR RETAINER SEAT IN. 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.