The Wrench,ratchet, cataloged under National Stock Number 5120-01-563-6735, is classified within Federal Supply Class 5120 (Hand Tools, Nonedged, Nonpowered) of the Hand Tools group. The manufacturer of record is Kastar Hand Tools. Government technical data includes 9 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5120-01-563-6735 |
| Primary Part Number | 9903A |
| Item Name | Wrench,ratchet |
| FSC / FSG | 5120 / 51 — Hand Tools, Nonedged, Nonpowered |
| Manufacturer | Kastar Hand Tools |
| Status | ACTIVE |
| Wrenching Surface Size | 0.188 INCHES MINIMUM AND 0.250 INCHES MAXIMUM FIRST END IN |
| Wrenching Surface Size | 0.312 INCHES MINIMUM AND 0.375 INCHES MAXIMUM SECOND END IN |
| Style Designator | STRAIGHT DOUBLE HEAD |
| Features Provided | REVERSIBLE RATCHET |
| Specification/standard Data | 05047-ASME B107.100 CAT 66 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Nondefinitive Spec/std Data | 2 TYPE |
| Wrenching Surface Shape | SQUARE FIRST END INTERNAL |
| Wrenching Surface Shape | SQUARE SECOND END INTERNAL |
| Material | STEEL OVERALL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 9903A | Wright Tool Company, Llc (USA) |
| 9903A PRIMARY | Kastar Hand Tools (USA) |
| Reference | Meaning |
|---|---|
| B107.100 | 3/1 Design control — primary reference The American Society of Mechanical Engineers |
| B107.100 CAT 66 TY2 | 5/1 Secondary reference U.S. Government activity |
| B107.66 TY2 | 5/9 Secondary reference U.S. Government activity |
| B107.66 | 5/9 Secondary reference The American Society of Mechanical Engineers |
NSN 5120-01-563-6735 is a Wrench,ratchet, manufactured by Kastar Hand Tools, classified under FSC 5120, Hand Tools, Nonedged, Nonpowered. Status: active.
NSN 5120-01-563-6735 has 2 manufacturer part numbers on file: 9903A (Wright Tool Company, Llc), 9903A (Kastar Hand Tools).
Key specifications for 9903A: Wrenching Surface Size: 0.188 INCHES MINIMUM AND 0.250 INCHES MAXIMUM FIRST END IN; Wrenching Surface Size: 0.312 INCHES MINIMUM AND 0.375 INCHES MAXIMUM SECOND END IN; Style Designator: STRAIGHT DOUBLE HEAD; Overall Length: 5.500 INCHES NOMINAL IN. 9 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.