The Cap,tube, cataloged under National Stock Number 4730-01-186-4740, 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 Sae International Dba Sae International. Government technical data includes 13 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through both NSN and commercial part number lookups. 7 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-186-4740 |
| Primary Part Number | MS21914-5W |
| Item Name | Cap,tube |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Sae International Dba Sae International |
| Status | ACTIVE |
| Surface Treatment Document and Classification | MIL-A-8625,TY 2,CL 2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Connection Style | PRESSURE SEAL FLARELESS |
| Tube Outside Diameter for Which Designed | 0.312 INCHES NOMINAL IN |
| Seat Nominal Radius | 0.0225 INCHES IN |
| Style Designator | CAP, TUBE, FLARELESS |
| Material Document and Classification | QQ-A-225/9,T73 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Thread Direction | RIGHT-HAND EXTERNAL |
| Nominal Thread Size | 0.500 INCHES EXTERNAL IN |
| Specification/standard Data | 96906-MS21914 GOVERNMENT SPECIFICATION |
| Surface Treatment | ANODIZE OVERALL |
| Thread Class | 3B EXTERNAL |
| Material | ALUMINUM ALLOY 7075 OVERALL |
| Thread Series Designator | UNF 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 |
|---|---|
| MS21914-5D | Elta Systems Ltd (ISR) |
| MS21914-5W PRIMARY | Sae International Dba Sae International (USA) |
| Reference | Meaning |
|---|---|
| AS18280 | 5/9 Secondary reference U.S. Government activity |
| SAE-AS18280 | 3/1 Design control — primary reference Sae International Dba Sae International |
| AS21914 | 5/9 Secondary reference Sae International Dba Sae International |
| MS21914-5W | 5/9 Secondary reference U.S. Government activity |
| MS21914-5W | 5/9 Secondary reference U.S. Government activity |
| AS21914 | 5/9 Secondary reference U.S. Government activity |
| AS18280 | 5/9 Secondary reference Sae International Dba Sae International |
NSN 4730-01-186-4740 is a Cap,tube, manufactured by Sae International Dba Sae International, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-186-4740 has 2 manufacturer part numbers on file: MS21914-5D (Elta Systems Ltd), MS21914-5W (Sae International Dba Sae International).
Key specifications for MS21914-5W: Surface Treatment Document and Classification: MIL-A-8625,TY 2,CL 2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL; Connection Style: PRESSURE SEAL FLARELESS; Tube Outside Diameter for Which Designed: 0.312 INCHES NOMINAL IN; Seat Nominal Radius: 0.0225 INCHES IN. 13 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.