The Block,junction, cataloged under National Stock Number 4310-01-103-8089, 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1 specification, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4310-01-103-8089 |
| Item Name | Block,junction |
| FSC / FSG | 4310 / 43 — Compressors and Vacuum Pumps |
| Status | ACTIVE |
| General Characteristics Item Description | STEEL; COLD FINISH; 6 PLACES DRILLED BOTH SIDES; 0.375 IN. NPT; 2 PLACES DRILLED BOTH SIDES; 0.250 IN. NPT; 5.500 IN. O/A LG; 2 PLACES THRU 0.438 IN. DIA; 2.750 IN. OD 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 |
|---|---|
| 69675 | 3/9 Design control — primary reference Davey Compressor Co Div of Keco Industries Inc |
| 69675 | 5/9 Secondary reference Drs Environmental Systems Inc |
| 69675 | 3/2 Design control — primary reference U.S. Government activity |
NSN 4310-01-103-8089 is a Block,junction, classified under FSC 4310, Compressors and Vacuum Pumps. Status: active.
Key specifications for 4310-01-103-8089: General Characteristics Item Description: STEEL; COLD FINISH; 6 PLACES DRILLED BOTH SIDES; 0.375 IN. NPT; 2 PLACES DRILLED BOTH SIDES; 0.250 IN. NPT; 5.500 IN. O/A LG; 2 PLACES THRU 0.438 IN. DIA; 2.750 IN. OD 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.