The Cap,tube, cataloged under National Stock Number 4730-01-732-7168, 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 Custom Hydraulic & Machine, Inc. Dba Custom Hydraulic & Machine Inc. Government technical data includes 8 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 | 4730-01-732-7168 |
| Primary Part Number | 6FNU-SS-QMS |
| Item Name | Cap,tube |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Custom Hydraulic & Machine, Inc. Dba Custom Hydraulic & Machine Inc |
| Status | ACTIVE |
| Connection Style | FLARELESS |
| Tube Outside Diameter for Which Designed | 0.375 INCHES NOMINAL IN |
| Style Designator | CAP |
| Material Document and Classification | SAE 080112 INTERNATIONAL STD/SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Size | 0.5625 INCHES EXTERNAL IN |
| Thread Class | 2B INTERNAL |
| Material | STEEL CORROSION RESISTING 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 |
|---|---|
| 6FNU-SS-QMS PRIMARY | Custom Hydraulic & Machine, Inc. Dba Custom Hydraulic & Machine Inc (USA) |
NSN 4730-01-732-7168 is a Cap,tube, manufactured by Custom Hydraulic & Machine, Inc. Dba Custom Hydraulic & Machine Inc, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-732-7168 has 1 manufacturer part number on file: 6FNU-SS-QMS (Custom Hydraulic & Machine, Inc. Dba Custom Hydraulic & Machine Inc).
Key specifications for 6FNU-SS-QMS: Connection Style: FLARELESS; Tube Outside Diameter for Which Designed: 0.375 INCHES NOMINAL IN; Style Designator: CAP; Material Document and Classification: SAE 080112 INTERNATIONAL STD/SPEC SINGLE MATERIAL RESPONSE OVERALL. 8 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.