The Wrench,ratchet, cataloged under National Stock Number 5120-01-367-3411, is classified within Federal Supply Class 5120 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is Armstrong Bros Tool Co. Government technical data includes 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5120-01-367-3411 |
| Primary Part Number | 27-591 |
| Item Name | Wrench,ratchet |
| FSC / FSG | 5120 / 51 — No Item Name Available |
| Manufacturer | Armstrong Bros Tool Co |
| Status | ACTIVE |
| Surface Treatment | CHROMIUM OVERALL |
| Wrenching Surface Shape | 12 POINT BOTH ENDS INTERNAL |
| Material | STEEL OVERALL |
| Style Designator | STRAIGHT DOUBLE HEAD |
| Wrenching Surface Size | 0.438 INCHES NOMINAL SECOND END IN |
| Wrenching Surface Size | 0.375 INCHES NOMINAL FIRST END IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 5120-01-367-3411 is a Wrench,ratchet, manufactured by Armstrong Bros Tool Co, classified under FSC 5120 (No Item Name Available). Status: active.
NSN 5120-01-367-3411 has 3 cross-referenced part numbers: 27-591 (Armstrong Bros Tool Co), 27-591 (Easco Hand Tools Inc Dba Danaher Tool Group Div Danaher Tool Group Easco Hand Tools Inc.), 27-591 (Apex Tool Group, Llc Dba Nicholson).
There are 2 known substitutes for 5120-01-367-3411: 5915-00-071-1818, 4730-00-188-1890. Verify interchangeability with system specifications before substitution.
Key specifications for 27-591: Surface Treatment: CHROMIUM OVERALL; Wrenching Surface Shape: 12 POINT BOTH ENDS INTERNAL; Material: STEEL OVERALL; Style Designator: STRAIGHT DOUBLE HEAD. 7 total characteristics are documented in the Federal Logistics Information System.