The Coupling,heater Engine, cataloged under National Stock Number 4310-00-677-9442, is classified within Federal Supply Class 4310 (Compressors and Vacuum Pumps) of the Pumps and Compressors group. Government technical data includes 1 specification, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4310-00-677-9442 |
| Item Name | Coupling,heater Engine |
| FSC / FSG | 4310 / 43 — Compressors and Vacuum Pumps |
| Status | ACTIVE |
| General Characteristics Item Description | STEEL,CIRCULAT DISK SHAPE,12.375 IN. DIA,W/6 MTG TABS EQUALLY SPACED ON PERIPHERY,TABS W/0.312 IN. DIA BOLT HOLES IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 3R25636 | C/1 Advisory reference — outside the item-of-supply concept Siemens Energy, Inc. Dba Dresser-Rand |
| 3R25636 | 3/9 Design control — primary reference U.S. Government activity |
| 3R25636 | 5/9 Secondary reference Ingersoll Rand Co |
NSN 4310-00-677-9442 is a Coupling,heater Engine, classified under FSC 4310, Compressors and Vacuum Pumps. Status: active.
Key specifications for 4310-00-677-9442: General Characteristics Item Description: STEEL,CIRCULAT DISK SHAPE,12.375 IN. DIA,W/6 MTG TABS EQUALLY SPACED ON PERIPHERY,TABS W/0.312 IN. DIA BOLT HOLES IN. 1 specification is 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.