The Plug,divers Gage Housing, cataloged under National Stock Number 4730-01-240-5909, is classified within Federal Supply Class 4730 (Hose, Pipe, Tube, Lubrication, and Railing Fittings) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Biomarine 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-240-5909 |
| Primary Part Number | C24D12601 |
| Item Name | Plug,divers Gage Housing |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Biomarine Inc |
| Status | ACTIVE |
| General Characteristics Item Description | STAINLESS STEEL;0.710 IN.LG;2.000 IN.OD;1.870 IN.ID;1.250-12 UNF THD 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 |
|---|---|
| C24D12601 PRIMARY | Biomarine Inc (USA) |
| Reference | Meaning |
|---|---|
| 300-620 | 5/9 Secondary reference Mar-Vel International, Inc. Dba Mar-Vel Underwater Equip |
| 300-620 | 5/9 Secondary reference Biomarine Inc |
| 300-620 | 5/9 Secondary reference Biosystems Inc Div Sperian Protection Americas Inc. |
NSN 4730-01-240-5909 is a Plug,divers Gage Housing, manufactured by Biomarine Inc, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-240-5909 has 1 manufacturer part number on file: C24D12601 (Biomarine Inc).
2 possible matches (shared part number, not a government interchangeability claim): 5325-01-422-2610, 5998-01-529-2243. Verify interchangeability with system specifications before substitution.
Key specifications for C24D12601: General Characteristics Item Description: STAINLESS STEEL;0.710 IN.LG;2.000 IN.OD;1.870 IN.ID;1.250-12 UNF THD IN; End Item Identification: BIOMARINE INDUSTRIES INC MODEL MK 15 MOD 1,UNDERWATER BREATHING APPARATUS. 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.