The Block,timed Drain, cataloged under National Stock Number 4310-01-386-2253, 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1 specification, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4310-01-386-2253 |
| Item Name | Block,timed Drain |
| FSC / FSG | 4310 / 43 — Compressors and Vacuum Pumps |
| Status | ACTIVE |
| General Characteristics Item Description | RECTANGULAR SOLID WITH AN O/A LG OF 2IN., WIDTH OF 1.5IN. AND THICKNESS OF 1IN.; ITEM HAS TWO THRU HOLES ON THE DIAGONAL OF THE LENGTH AND WIDTH, AND CENTERED INTERNALLY THREADED HOLE PARALLEL TO THE LENGTH 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 |
|---|---|
| 12356648 | 3/9 Design control — primary reference U.S. Government activity |
| 12356648 | C/1 Advisory reference — outside the item-of-supply concept Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions |
| 12356648 | 5/9 Secondary reference Siemens Energy, Inc. Dba Dresser-Rand |
NSN 4310-01-386-2253 is a Block,timed Drain, classified under FSC 4310, Compressors and Vacuum Pumps. Status: active.
Key specifications for 4310-01-386-2253: General Characteristics Item Description: RECTANGULAR SOLID WITH AN O/A LG OF 2IN., WIDTH OF 1.5IN. AND THICKNESS OF 1IN.; ITEM HAS TWO THRU HOLES ON THE DIAGONAL OF THE LENGTH AND WIDTH, AND CENTERED INTERNALLY THREADED HOLE PARALLEL TO THE LENGTH IN; Special Features: ITEM IS PART OF A TIMED DRAIN SYSTEM; End Item Identification: W/S EZ, TICONDEROGA CLASS CD. 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.