The Union,pipe, cataloged under National Stock Number 4730-01-127-7737, 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 Crane Co Div Valve Div. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-127-7737 |
| Primary Part Number | C0ML 1 IPS |
| Item Name | Union,pipe |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Crane Co Div Valve Div |
| Status | ACTIVE |
| Material | COPPER ALLOY OVERALL |
| 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 |
|---|---|
| C0ML 1 IPS | Crane Co Div Valve Div (USA) |
| Reference | Meaning |
|---|---|
| 51-23-34 | 3/9 Design control — primary reference Brooks Automation, Inc. Div Cti Cryogenics |
NSN 4730-01-127-7737 is a Union,pipe, manufactured by Crane Co Div Valve Div, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-127-7737 has 1 manufacturer part number on file: C0ML 1 IPS (Crane Co Div Valve Div).
1 possible match (shared part number, not a government interchangeability claim): 5340-01-599-5953. Verify interchangeability with system specifications before substitution.
Key specifications for C0ML 1 IPS: Special Features: 1.000 IN. IPS IN; Material: COPPER ALLOY OVERALL. 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.