The Flange,coupling, cataloged under National Stock Number 4730-01-144-2452, 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 3 specifications, 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-144-2452 |
| Primary Part Number | 299943 ITEM 6 L1 |
| Item Name | Flange,coupling |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Naval Inventory Control Point Mechanicsburg |
| Status | ACTIVE |
| General Characteristics Item Description | MATERIAL NICKEL-COPPER MIL-C-15726,OUTSIDE DIAMETER 10.880 IN.,SIZE 6.000 IN. IN |
| Criticality Code Justification | ZZZY |
| Reference Number Differentiating Characteristics | AS DIFFERENTIATED AND AMENDED BY SPCC SPEC NSN 4730-01-144-2452 FOR SUB-SAFE ITEMS |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | S |
| Part Number | Manufacturer |
|---|---|
| 299943 ITEM 6 L1 | Naval Inventory Control Point Mechanicsburg (USA) |
| 300012-102 L1 | Naval Inventory Control Point Mechanicsburg (USA) |
| Reference | Meaning |
|---|---|
| 300012-102 | 3/1 Design control — primary reference Oil States Industries, Inc. Div Special Products Div |
| 299943 ITEM 6 | 5/1 Secondary reference Oil States Industries, Inc. Div Special Products Div |
| 300012-102 | 5/9 Secondary reference Edwards Aerospace Inc |
| 299943 ITEM 6 | 5/9 Secondary reference Edwards Aerospace Inc |
NSN 4730-01-144-2452 is a Flange,coupling, manufactured by Naval Inventory Control Point Mechanicsburg, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-144-2452 has 2 manufacturer part numbers on file: 299943 ITEM 6 L1 (Naval Inventory Control Point Mechanicsburg), 300012-102 L1 (Naval Inventory Control Point Mechanicsburg).
Key specifications for 299943 ITEM 6 L1: General Characteristics Item Description: MATERIAL NICKEL-COPPER MIL-C-15726,OUTSIDE DIAMETER 10.880 IN.,SIZE 6.000 IN. IN; Criticality Code Justification: ZZZY; Reference Number Differentiating Characteristics: AS DIFFERENTIATED AND AMENDED BY SPCC SPEC NSN 4730-01-144-2452 FOR SUB-SAFE ITEMS. 3 specifications are 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.