The Wrench,ratchet, cataloged under National Stock Number 5120-00-288-9998, is classified within Federal Supply Class 5120 (Hand Tools, Nonedged, Nonpowered) of the Hand Tools group. Government technical data includes 8 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5120-00-288-9998 |
| Item Name | Wrench,ratchet |
| FSC / FSG | 5120 / 51 — Hand Tools, Nonedged, Nonpowered |
| Status | ACTIVE |
| Wrenching Surface Size | 1.125 INCHES NOMINAL SINGLE END IN |
| Style Designator | STRAIGHT SINGLE HEAD |
| Features Provided | REVERSIBLE RATCHET |
| Nondefinitive Spec/std Data | 1 TYPE AND 2 CLASS AND A STYLE |
| Wrenching Surface Shape | SQUARE SINGLE END INTERNAL |
| Surface Treatment | OXIDE AND PHOSPHATE AND LACQUER OVERALL |
| Material | IRON AND STEEL OVERALL |
| Head Thickness | 1.312 INCHES NOMINAL 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 |
|---|---|
| GGG-W-653 TY1CL2STA | 5/1 Secondary reference U.S. Government activity |
| GGG-W-653 | 4/1 Identification reference U.S. Government activity |
NSN 5120-00-288-9998 is a Wrench,ratchet, classified under FSC 5120, Hand Tools, Nonedged, Nonpowered. Status: active.
2 possible matches (shared part number, not a government interchangeability claim): 5120-00-288-9999, 5120-00-289-0000. Verify interchangeability with system specifications before substitution.
Key specifications for 5120-00-288-9998: Wrenching Surface Size: 1.125 INCHES NOMINAL SINGLE END IN; Style Designator: STRAIGHT SINGLE HEAD; Overall Length: 15.000 INCHES NOMINAL IN; Features Provided: REVERSIBLE RATCHET. 8 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.
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.