The Cap,tube, cataloged under National Stock Number 4730-01-313-9444, 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 Naval Sea Systems Command. 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-313-9444 |
| Primary Part Number | 5916904 |
| Item Name | Cap,tube |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Surface Treatment Document and Classification | MIL-STD-171 MIL STD SINGLE TREATMENT RESPONSE OVERALL |
| Connection Style | PRESSURE SEAL FLARED |
| Tube Outside Diameter for Which Designed | 0.250 INCHES NOMINAL IN |
| Style Designator | CAP, TUBE, FLARED |
| Thread Direction | RIGHT-HAND INTERNAL |
| Nominal Thread Size | 0.438 INCHES INTERNAL IN |
| Seat Angle | 37.0 DEGREES |
| Surface Treatment | OXIDE OVERALL |
| Thread Class | 3B INTERNAL |
| Material | STEEL COMP 304 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 |
| Part Number | Manufacturer |
|---|---|
| 5916904 PRIMARY | Naval Sea Systems Command (USA) |
NSN 4730-01-313-9444 is a Cap,tube, manufactured by Naval Sea Systems Command, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-313-9444 has 1 manufacturer part number on file: 5916904 (Naval Sea Systems Command).
Key specifications for 5916904: Surface Treatment Document and Classification: MIL-STD-171 MIL STD SINGLE TREATMENT RESPONSE OVERALL; Connection Style: PRESSURE SEAL FLARED; Tube Outside Diameter for Which Designed: 0.250 INCHES NOMINAL IN; Style Designator: CAP, TUBE, FLARED. 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.