The Coupling Half,quick Disconnect, cataloged under National Stock Number 4730-01-237-9516, 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 Naval Inventory Control Point Mechanicsburg. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-237-9516 |
| Primary Part Number | BM-S-527 ITEM 138VM |
| Item Name | Coupling Half,quick Disconnect |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Naval Inventory Control Point Mechanicsburg |
| Status | ACTIVE |
| Reference Number Differentiating Characteristics | MAGNETIC PERMEABILITY SHALL NOT EXCEED 2.0 AFTER FABRICATION |
| 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 |
|---|---|
| BM-S-527 ITEM 138VM | Naval Inventory Control Point Mechanicsburg (USA) |
| TCM20-9/16UNF-V-SSVM | Naval Inventory Control Point Mechanicsburg (USA) |
| Reference | Meaning |
|---|---|
| TCM20-9/16UNF-V-SS | 3/1 Design control — primary reference Stauff Corp |
| BM-S-527 ITEM 138 | 5/9 Secondary reference Metso Minerals Industries, Inc. Dba Bulk Material Handling |
NSN 4730-01-237-9516 is a Coupling Half,quick Disconnect, manufactured by Naval Inventory Control Point Mechanicsburg, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-237-9516 has 2 manufacturer part numbers on file: BM-S-527 ITEM 138VM (Naval Inventory Control Point Mechanicsburg), TCM20-9/16UNF-V-SSVM (Naval Inventory Control Point Mechanicsburg).
Key specifications for BM-S-527 ITEM 138VM: Reference Number Differentiating Characteristics: MAGNETIC PERMEABILITY SHALL NOT EXCEED 2.0 AFTER FABRICATION. 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.