The Roll Set,roller Tube Expander, cataloged under National Stock Number 3456-00-640-3636, is classified within Federal Supply Class 3456 (Cutting and Forming Tools for Secondary Metalworking Machinery) of the Metalworking Machinery (continued) group. The manufacturer of record is Elliott Tool Technologies Ltd.. Government technical data includes 9 specifications, cited from the U.S. Government catalog. The record lists 9 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3456-00-640-3636 |
| Primary Part Number | E NAVY1385500 PC LR80 |
| Item Name | Roll Set,roller Tube Expander |
| FSC / FSG | 3456 / 34 — Cutting and Forming Tools for Secondary Metalworking Machinery |
| Manufacturer | Elliott Tool Technologies Ltd. |
| Status | ACTIVE |
| First End Taper Length | 0.250 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN |
| First End Diameter | 0.295 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN |
| Second End Diameter | 0.262 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN |
| Second End Taper Length | 0.062 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN |
| Departure From Cited Document | AS MODIFIED BY PAR. 3.3.3 ROLLS |
| Roller Quantity | 3 LOCATION NOT OTHERWISE SPECIFIED |
| Nondefinitive Spec/std Data | 2 TYPE |
| Main Body Overall Length | 2.125 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN |
| Roller Style | OVERLAPPING LOCATION NOT OTHERWISE SPECIFIED |
| 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 |
|---|---|
| E-168-670ITEM100SPARE | Ge Steam Power Inc Dba Ge Steam Power, Inc Div General Electric (USA) |
| E NAVY1385500 PC LR80 PRIMARY | Elliott Tool Technologies Ltd. (USA) |
| E168-130ITEM 100 SPARE ROLL | Ge Steam Power Inc Dba Ge Steam Power, Inc Div General Electric (USA) |
| LR80 | Babcock & Wilcox Co (USA) |
| E-168-163ITEM100SPARE | Ge Steam Power Inc Dba Ge Steam Power, Inc Div General Electric (USA) |
| D169-617 E79 SPARE | Ge Steam Power Inc Dba Ge Steam Power, Inc Div General Electric (USA) |
| E164-863-100SPARE ROLL | Ge Steam Power Inc Dba Ge Steam Power, Inc Div General Electric (USA) |
| F1G5-4-4N0LR80 | Babcock & Wilcox Co (USA) |
| D168-078-E79SPARE | Ge Steam Power Inc Dba Ge Steam Power, Inc Div General Electric (USA) |
| Reference | Meaning |
|---|---|
| LR80 | 5/9 Secondary reference Thomas C. Wilson, Inc. Dba Thomas C Wilson |
| F1385500LR80 | 5/2 Secondary reference U.S. Government activity |
| 66080 | 5/9 Secondary reference Thomas C. Wilson, Inc. Dba Thomas C Wilson |
| MIL-E-17624 | 4/1 Identification reference U.S. Government activity |
| F1385500PCLR80 | 3/2 Design control — primary reference U.S. Government activity |
| 1385500PCLR80 | 5/2 Secondary reference U.S. Government activity |
NSN 3456-00-640-3636 is a Roll Set,roller Tube Expander, manufactured by Elliott Tool Technologies Ltd., classified under FSC 3456, Cutting and Forming Tools for Secondary Metalworking Machinery. Status: active.
NSN 3456-00-640-3636 has 9 manufacturer part numbers on file: E-168-670ITEM100SPARE (Ge Steam Power Inc Dba Ge Steam Power, Inc Div General Electric), E NAVY1385500 PC LR80 (Elliott Tool Technologies Ltd.), E168-130ITEM 100 SPARE ROLL (Ge Steam Power Inc Dba Ge Steam Power, Inc Div General Electric), LR80 (Babcock & Wilcox Co), E-168-163ITEM100SPARE (Ge Steam Power Inc Dba Ge Steam Power, Inc Div General Electric) and 4 more.
1 possible match (shared part number, not a government interchangeability claim): 4820-01-043-2058. Verify interchangeability with system specifications before substitution.
Key specifications for E NAVY1385500 PC LR80: First End Taper Length: 0.250 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN; First End Diameter: 0.295 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN; Second End Diameter: 0.262 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN; Overall Length: 2.437 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.