The Wrench,spanner, cataloged under National Stock Number 5120-00-293-2786, is classified within Federal Supply Class 5120 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is Rolls-Royce Corporation. Government technical data includes 11 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. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5120-00-293-2786 |
| Primary Part Number | 3855 |
| Item Name | Wrench,spanner |
| FSC / FSG | 5120 / 51 — No Item Name Available |
| Manufacturer | Rolls-Royce Corporation |
| Status | ACTIVE |
| Style Designator | TUBULAR LUG |
| Surface Treatment | CHROMIUM OVERALL |
| Drive Surface Size | 0.760 INCHES MINIMUM AND 0.765 INCHES MAXIMUM SINGLE END IN |
| Features Provided | REMOVABLE HANDLE |
| Angle Between Lugs | 45.0 DEGREES NOMINAL |
| Drive End Shape | SQUARE SINGLE END INTERNAL |
| Special Markings | FOR T40 AND T56 ENGINES |
| Opening Diameter | 2.713 INCHES MINIMUM AND 2.718 INCHES MAXIMUM IN |
| Lug Width | 0.343 INCHES MINIMUM AND 0.345 INCHES MAXIMUM IN |
| Material | STEEL COMP 4140 OVERALL |
| Material Document and Classification | 66 FED STD SINGLE MATERIAL RESPONSE OVERALL |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 5120-00-293-2786 is a Wrench,spanner, manufactured by Rolls-Royce Corporation, classified under FSC 5120 (No Item Name Available). Status: active.
NSN 5120-00-293-2786 has 3 cross-referenced part numbers: 3855 (Allison Transmission Inc Dba Allison Transmission, Inc), 3855 (General Motors Corp), 3855 (Rolls-Royce Corporation).
There are 7 known substitutes for 5120-00-293-2786: 4510-00-318-8207, 4910-00-468-9710, 5340-00-536-6671 and 4 more. Verify interchangeability with system specifications before substitution.
Key specifications for 3855: Style Designator: TUBULAR LUG; Surface Treatment: CHROMIUM OVERALL; Drive Surface Size: 0.760 INCHES MINIMUM AND 0.765 INCHES MAXIMUM SINGLE END IN; Features Provided: REMOVABLE HANDLE. 14 total characteristics are documented in the Federal Logistics Information System.