The Coupling,shaft,flexible, cataloged under National Stock Number 3010-01-118-8553, is classified within Federal Supply Class 3010 (Torque Converters and Speed Changers) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Rexnord Industries Llc. Government technical data includes 12 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3010-01-118-8553 |
| Primary Part Number | 1040T31 |
| Item Name | Coupling,shaft,flexible |
| FSC / FSG | 3010 / 30 — Torque Converters and Speed Changers |
| Manufacturer | Rexnord Industries Llc |
| Status | ACTIVE |
| Keyway Depth | 0.1560 INCHES NOMINAL BOTH ENDS IN |
| Securing Method | KEY BOTH ENDS |
| Bore Length | 3.5000 INCHES NOMINAL BOTH ENDS IN |
| Design Type | GRID SPRING |
| Keying Facility Type | KEYWAY BOTH ENDS |
| Keying Facility Spacing in Deg | 360.0 BOTH ENDS |
| Outside Diameter | 4.625 INCHES NOMINAL IN |
| Features Provided | KEYWAY AND EXPOSED COUPLING BOLT TYPE AND STANDARD GRID SPRING AND SHROUDED COUPLING BOLT TYPE |
| Bore Shape | STRAIGHT BOTH ENDS |
| Keying Facility Quantity | 1 BOTH ENDS |
| Keyway Width | 0.312 INCHES NOMINAL BOTH ENDS IN |
| Bore Diameter | 1.0000 INCHES NOMINAL BOTH ENDS IN |
| 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 |
|---|---|
| 1040T31 PRIMARY | Rexnord Industries Llc (USA) |
| Reference | Meaning |
|---|---|
| 40T31 | C/1 Advisory reference — outside the item-of-supply concept Rexnord Industries Llc |
NSN 3010-01-118-8553 is a Coupling,shaft,flexible, manufactured by Rexnord Industries Llc, classified under FSC 3010, Torque Converters and Speed Changers. Status: active.
NSN 3010-01-118-8553 has 1 manufacturer part number on file: 1040T31 (Rexnord Industries Llc).
Key specifications for 1040T31: Keyway Depth: 0.1560 INCHES NOMINAL BOTH ENDS IN; Securing Method: KEY BOTH ENDS; Bore Length: 3.5000 INCHES NOMINAL BOTH ENDS IN; Design Type: GRID SPRING. 12 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.