The Low Pressure Air Membrane Dehyra, cataloged under National Stock Number 4460-01-463-0649, is classified within Federal Supply Class 4460 (Air Purification Equipment) of the Furnace, Steam, Drying, Nuclear Reactors group. The manufacturer of record is Howell Laboratories Inc Dba Howell Laboratories Inc. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4460-01-463-0649 |
| Primary Part Number | 7045-G501 |
| Item Name | Low Pressure Air Membrane Dehyra |
| FSC / FSG | 4460 / 44 — Air Purification Equipment |
| Manufacturer | Howell Laboratories Inc Dba Howell Laboratories Inc |
| Status | ACTIVE |
| Special Test Features | BUILT IAW DDG51 FLIGHT IIA SPECS;WELDED IAW MIL-STD-278;FULLY QUALIFIED TO MIL-S-901C HIGH IMPACT SHOCK GRADE A AND MIL-STD-167 VIBRATION ENVIRONMENTAL SHIPBOARD |
| 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 |
|---|---|
| 7045-G501 PRIMARY | Howell Laboratories Inc Dba Howell Laboratories Inc (USA) |
| Reference | Meaning |
|---|---|
| 6995-3 | 5/9 Secondary reference Howell Laboratories Inc Dba Howell Laboratories Inc |
NSN 4460-01-463-0649 is a Low Pressure Air Membrane Dehyra, manufactured by Howell Laboratories Inc Dba Howell Laboratories Inc, classified under FSC 4460, Air Purification Equipment. Status: active.
NSN 4460-01-463-0649 has 1 manufacturer part number on file: 7045-G501 (Howell Laboratories Inc Dba Howell Laboratories Inc).
Key specifications for 7045-G501: Special Test Features: BUILT IAW DDG51 FLIGHT IIA SPECS;WELDED IAW MIL-STD-278;FULLY QUALIFIED TO MIL-S-901C HIGH IMPACT SHOCK GRADE A AND MIL-STD-167 VIBRATION ENVIRONMENTAL SHIPBOARD; Special Features: ELECTRICAL POWER IS N EEDED FOR HUMIDY MONITORING NOT FOR DEHYDRATION;PURGE PRESSURE IS CONSTANT AT 60PSIG; End Item Identification: ARLEIGH BURKE DDG-51 CLASS. 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.