The Roll Set,roller Tube Expander, cataloged under National Stock Number 3456-00-640-3571, is classified within Federal Supply Class 3456 (No Item Name Available) of the Metalworking Machinery (continued) group. The primary manufacturer of record is Naval Ship Systems Command. Government technical data includes 23 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3456-00-640-3571 |
| Primary Part Number | 138550 PC LR23-SR23-FR4 |
| Item Name | Roll Set,roller Tube Expander |
| FSC / FSG | 3456 / 34 — No Item Name Available |
| Manufacturer | Naval Ship Systems Command |
| Status | ACTIVE |
| Second End Diameter | 0.556 INCHES NOMINAL THIRD GROUP IN |
| Roller Quantity | 2 FIRST GROUP |
| Second End Flare Diameter | 45.0 DEG |
| Nondefinitive Spec/std Data | 1 CLASS AND 1 TYPE |
| Roller Quantity | 1 THIRD GROUP |
| Departure From Cited Document | AS MODIFIED BY PAR. 3.3.3 ROLLS |
| Roller Quantity | 1 SECOND GROUP |
| Roller Style | FLARE THIRD GROUP |
| First End Diameter | 0.718 INCHES NOMINAL THIRD GROUP IN |
| Second End Taper Length | 0.500 INCHES NOMINAL SECOND GROUP IN |
| Main Body Overall Length | 1.687 INCHES NOMINAL FIRST GROUP IN |
| Second End Diameter | 0.592 INCHES NOMINAL SECOND GROUP IN |
| Roller Style | TAPER SECOND GROUP |
| First End Diameter | 0.565 INCHES NOMINAL FIRST GROUP IN |
| First End Taper Length | 0.031 INCHES NOMINAL FIRST GROUP IN |
| Main Body Overall Length | 0.460 INCHES NOMINAL THIRD GROUP IN |
| Second End Diameter | 0.592 INCHES NOMINAL FIRST GROUP IN |
| Roller Style | OVERLAPPING FIRST GROUP |
| Main Body Overall Length | 1.125 INCHES NOMINAL SECOND GROUP IN |
| First End Diameter | 0.575 INCHES NOMINAL SECOND GROUP IN |
| First End Flare Length | 0.194 INCHES NOMINAL THIRD STYLE GROUP IN |
| First End Taper Length | 0.063 INCHES NOMINAL THIRD GROUP IN |
| Second End Taper Length | 0.500 INCHES NOMINAL FIRST GROUP IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 138550 PC LR23-SR23-FR4 | Naval Ship Systems Command (USA) |
| F1385500PCSR23FR4LR23 | Naval Ship Systems Command (USA) |
| X LR-23 X FR-4 | Naval Ship Systems Command (USA) |
| LR23SR23FR4 | Thomas C. Wilson, Inc. Dba Thomas C Wilson (USA) |
| MIL-E-17624 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| 66023 | Thomas C. Wilson, Inc. Dba Thomas C Wilson (USA) |
NSN 3456-00-640-3571 is a Roll Set,roller Tube Expander, manufactured by Naval Ship Systems Command, classified under FSC 3456 (No Item Name Available). Status: active.
NSN 3456-00-640-3571 has 6 cross-referenced part numbers: 138550 PC LR23-SR23-FR4 (Naval Ship Systems Command), F1385500PCSR23FR4LR23 (Naval Ship Systems Command), X LR-23 X FR-4 (Naval Ship Systems Command), LR23SR23FR4 (Thomas C. Wilson, Inc. Dba Thomas C Wilson), MIL-E-17624 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M) and 1 more.
There are 3 known substitutes for 3456-00-640-3571: 5905-00-111-4742, 5935-00-861-0350, 5895-00-874-6608. Verify interchangeability with system specifications before substitution.
Key specifications for 138550 PC LR23-SR23-FR4: Second End Diameter: 0.556 INCHES NOMINAL THIRD GROUP IN; Roller Quantity: 2 FIRST GROUP; Overall Length: 2.218 INCHES NOMINAL FIRST GROUP IN; Overall Length: 1.625 INCHES NOMINAL SECOND GROUP IN. 26 total characteristics are documented in the Federal Logistics Information System.