The Cap,tube, cataloged under National Stock Number 4730-01-476-1712, 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 Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate. Government technical data includes 11 specifications, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-476-1712 |
| Primary Part Number | 7266818 |
| Item Name | Cap,tube |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate |
| Status | ACTIVE |
| Connection Style | PLAIN |
| Tube Outside Diameter for Which Designed | 1.590 INCHES MINIMUM AND 1.600 INCHES MAXIMUM IN |
| Style Designator | CAP, TUBE, FLARED |
| Thread Pitch Diameters | +1.4159 TO 1.4197 INCHES EXTERNAL IN |
| Material Document and Classification | QQ-S-634, 1045 FED SPEC 1ST MATERIAL RESPONSE OR QQ-6-624, 4140 FED SPEC 2ND MATERIAL RESPONSE OVERALL |
| Thread Direction | RIGHT-HAND EXTERNAL |
| Nominal Thread Size | 1.440 INCHES EXTERNAL IN |
| Thread Class | 3A EXTERNAL A |
| Thread Quantity Per Inch | 32 EXTERNAL |
| Material | STEEL COMP 4140 OVERALL |
| Thread Series Designator | UNS EXTERNAL |
| 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 |
|---|---|
| 7266818 PRIMARY | Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate (USA) |
| Reference | Meaning |
|---|---|
| 7266818 | 5/9 Secondary reference Springfield Armory |
NSN 4730-01-476-1712 is a Cap,tube, manufactured by Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-476-1712 has 1 manufacturer part number on file: 7266818 (Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate).
Key specifications for 7266818: Connection Style: PLAIN; Tube Outside Diameter for Which Designed: 1.590 INCHES MINIMUM AND 1.600 INCHES MAXIMUM IN; Style Designator: CAP, TUBE, FLARED; Thread Pitch Diameters: +1.4159 TO 1.4197 INCHES EXTERNAL IN. 11 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.