The Plug,tube Fitting,threaded, cataloged under National Stock Number 4730-01-193-7316, 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 Howmet Global Fastening Systems Inc Div Rosan / Eagle Products. Government technical data includes 10 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4730-01-193-7316 |
| Primary Part Number | RF7503 |
| Item Name | Plug,tube Fitting,threaded |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Howmet Global Fastening Systems Inc Div Rosan / Eagle Products |
| Status | ACTIVE |
| Head Height | 0.418 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | EVERLUBE 620A FSCM 83324 MFR REF SINGLE TREATMENT RESPONSE OVERALL A |
| Connection Style | PLAIN |
| Style Designator | PLUG, TUBE FITTING FLARELESS (NOTE: DRILLED HOLE IS OPTIONAL, SHOULD NOT BE CONSIDERED AS A SEPARATING CHARACTERISTIC) |
| Material Document and Classification | AMS 4967,6AL-4V ASSN STD SINGLE MATERIAL RESPONSE OVERALL V |
| Thread Direction | RIGHT-HAND EXTERNAL |
| Nominal Thread Size | 0.250 INCHES EXTERNAL IN |
| Surface Treatment | LUBRICANT OVERALL |
| Material | TITANIUM OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) 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 |
|---|---|
| RF7503 PRIMARY | Howmet Global Fastening Systems Inc Div Rosan / Eagle Products (USA) |
| Reference | Meaning |
|---|---|
| RF7503 | 5/9 Secondary reference U.S. Government activity |
NSN 4730-01-193-7316 is a Plug,tube Fitting,threaded, manufactured by Howmet Global Fastening Systems Inc Div Rosan / Eagle Products, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-193-7316 has 1 manufacturer part number on file: RF7503 (Howmet Global Fastening Systems Inc Div Rosan / Eagle Products).
Key specifications for RF7503: Head Height: 0.418 INCHES NOMINAL IN; Surface Treatment Document and Classification: EVERLUBE 620A FSCM 83324 MFR REF SINGLE TREATMENT RESPONSE OVERALL A; Connection Style: PLAIN; Style Designator: PLUG, TUBE FITTING FLARELESS (NOTE: DRILLED HOLE IS OPTIONAL, SHOULD NOT BE CONSIDERED AS A SEPARATING CHARACTERISTIC). 10 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.