The Cap,tube, cataloged under National Stock Number 4730-00-221-2118, 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 1 manufacturer part number 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4730-00-221-2118 |
| Primary Part Number | MS21914D5 |
| 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-862,TYPE 2 MIL SPEC ALL TREATMENT RESPONSES OVERALL |
| Connection Style | PRESSURE SEAL FLARELESS |
| Tube Outside Diameter for Which Designed | 0.312 INCHES NOMINAL IN |
| Style Designator | CAP, TUBE, FLARELESS |
| Material Document and Classification | QQ-A-225/6 FED SPEC ALL MATERIAL RESPONSES OVERALL |
| Thread Direction | RIGHT-HAND INTERNAL |
| Nominal Thread Size | 0.500 INCHES INTERNAL IN |
| Seat Angle | 37.0 DEGREES |
| Specification/standard Data | 96906-MS21914 GOVERNMENT STANDARD |
| Surface Treatment | ANODIZE OVERALL |
| Thread Class | 3B INTERNAL |
| Material | ALUMINUM ALLOY OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) INTERNAL |
| 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 |
|---|---|
| MS21914D5 PRIMARY | Sae International Dba Sae International (USA) |
| Reference | Meaning |
|---|---|
| SAE-AS18280 | 3/1 Design control — primary reference Sae International Dba Sae International |
| MS21914D5 | 5/9 Secondary reference U.S. Government activity |
| ER929-5D | 5/9 Secondary reference Dana Corp Weatherhead Div |
| ER929-5D | 5/1 Secondary reference Designed Metal Connections Inc Dba Permaswage Usa Div Permaswage, a Pcc Company |
NSN 4730-00-221-2118 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 4730-00-221-2118 has 1 manufacturer part number on file: MS21914D5 (Sae International Dba Sae International).
Key specifications for MS21914D5: Surface Treatment Document and Classification: MIL-A-862,TYPE 2 MIL SPEC ALL TREATMENT RESPONSES OVERALL; Connection Style: PRESSURE SEAL FLARELESS; Tube Outside Diameter for Which Designed: 0.312 INCHES NOMINAL IN; Style Designator: CAP, TUBE, FLARELESS. 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.