The Adapter Assembly,filler Cap, cataloged under National Stock Number 4730-01-504-5660, is classified within Federal Supply Class 4730 (Hose, Pipe, Tube, Lubrication, and Railing Fittings) of the Pipe, Tubing, Hose, and Fittings group. Government technical data includes 5 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-504-5660 |
| Item Name | Adapter Assembly,filler Cap |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Status | ACTIVE |
| General Characteristics Item Description | ALL DIMENSIONS IN INCHES; ASSY THREAD CLASS IS 2A AND ITEM HAS A 37 DEG FLARE X 0.50 NPS; 1000 PSI WP MAX AT PLUS 140 DEG FAHR; SWLDG CONNECTION IS DESIGNED TO MATE WITH 0.120 MIN TUBING A |
| Accessory Components and Quantity | LOCK WIRE |
| Pressure Rating | ERR-060 |
| Material | NICKEL ALLOY |
| Thread Size and Series/type Designator | 0.875-14 UNF |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 2633-022-01ASSY32A | 5/2 Secondary reference U.S. Government activity |
| 6640794 REV M | D/9 Drawing number reference only Naval Sea Systems Command |
| 801-6640794ASSY32A | 3/2 Design control — primary reference U.S. Government activity |
NSN 4730-01-504-5660 is a Adapter Assembly,filler Cap, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
Key specifications for 4730-01-504-5660: General Characteristics Item Description: ALL DIMENSIONS IN INCHES; ASSY THREAD CLASS IS 2A AND ITEM HAS A 37 DEG FLARE X 0.50 NPS; 1000 PSI WP MAX AT PLUS 140 DEG FAHR; SWLDG CONNECTION IS DESIGNED TO MATE WITH 0.120 MIN TUBING A; Accessory Components and Quantity: LOCK WIRE; Pressure Rating: ERR-060; Special Features: ASSY INCLUDES ADAPTER (P/N 24A), 1 AND CAP ASSY (P/N 69), 1; FITTING TO BE USED ONLY INBOARD OF THE INBOARD CONNECTION OF THE BACKUP VALVE OR EXTERNAL TO THE PRESSURE HULL EXCEPT WHERE HYDRAULIC SHOCK TEST QUALIFICATION IS NOT REQUIRED BY THE ORIGINAL BUILDING SPECIFICATIONS OR MODIFICATIONS A. 5 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.