The Cap,tube, cataloged under National Stock Number 4730-00-540-2584, 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 13 specifications, cited from the U.S. Government catalog. 16 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-00-540-2584 |
| Item Name | Cap,tube |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Status | ACTIVE |
| Surface Treatment Document and Classification | MIL-S-5002 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Connection Style | PRESSURE SEAL FLARED |
| Tube Outside Diameter for Which Designed | 0.188 INCHES NOMINAL IN |
| Style Designator | CAP, TUBE, FLARED |
| Material Document and Classification | 66 FED STD SINGLE MATERIAL RESPONSE OVERALL |
| Thread Direction | RIGHT-HAND INTERNAL |
| Nominal Thread Size | 0.375 INCHES INTERNAL IN |
| Seat Angle | 37.0 DEGREES |
| Specification/standard Data | 88044-AN929 GOVERNMENT STANDARD AND 81343-AS4841 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Surface Treatment | PASSIVATE OVERALL |
| Thread Class | 3B INTERNAL |
| Material | STEEL COMP 347 OVERALL |
| Thread Series Designator | UNF INTERNAL |
| 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 |
|---|---|
| SAE-AS4841 | 5/1 Secondary reference Sae International Dba Sae International |
| AS4841 | 5/1 Secondary reference Sae International Dba Sae International |
| AN929-3S | 5/9 Secondary reference Crown Fitting Co Inc |
| AN929-3S | 5/9 Secondary reference Collins Engineering Corp |
| AN929-3S | 5/1 Secondary reference Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution |
| MIL-F-5509 | 5/9 Secondary reference U.S. Government activity |
| AN929-3S | 5/9 Secondary reference Faber Enterprises, Inc. Div Faber Enterprise Inc |
| AN929 | 4/1 Identification reference U.S. Government activity |
| AN820-3 | 5/9 Secondary reference U.S. Government activity |
| AN929-3S | 5/1 Secondary reference Allan Aircraft Supply Co., Llc Dba Allan Aircraft Supply |
| AN929-3S | 5/1 Secondary reference Precision Form Rivet Inc |
| AN929-3S | 5/1 Secondary reference Hydro-Fitting Manufacturing Corporation |
| AN929-3S | 2/2 Government specification standardization U.S. Government activity |
| AN820-3S | 5/9 Secondary reference U.S. Government activity |
| AN929-3S | 5/1 Secondary reference Aerofit, Llc |
| AS4841 | 5/9 Secondary reference U.S. Government activity |
NSN 4730-00-540-2584 is a Cap,tube, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
Key specifications for 4730-00-540-2584: Surface Treatment Document and Classification: MIL-S-5002 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL; Connection Style: PRESSURE SEAL FLARED; Tube Outside Diameter for Which Designed: 0.188 INCHES NOMINAL IN; Style Designator: CAP, TUBE, FLARED. 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.