The Adapter,straight,pipe to Boss, cataloged under National Stock Number 4730-01-373-0474, 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 Stauff Corp. Government technical data includes 2 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-373-0474 |
| Primary Part Number | SMA20-1/4 NPT-V |
| Item Name | Adapter,straight,pipe to Boss |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Stauff Corp |
| Status | ACTIVE |
| Nominal Overall Length | 55.0 MILLIMETERS MM |
| Criticality Code Justification | FEAT |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | Y |
| Part Number | Manufacturer |
|---|---|
| 4KK165 | Oshkosh Defense Llc (USA) |
| SMA20-1/4 NPT-V | Ametek, Inc. Div Aerospace & Defense (USA) |
| SMA20-1/4 NPT-V PRIMARY | Stauff Corp (USA) |
| Reference | Meaning |
|---|---|
| GAH20-1/4NPT-V | 5/9 Secondary reference Ametek, Inc. Div Aerospace & Defense |
| 4KK165 | 5/9 Secondary reference Oshkosh Corp |
| SMA20-1/4 NPT-V | 5/9 Secondary reference Flodraulic Group Incorporated |
NSN 4730-01-373-0474 is a Adapter,straight,pipe to Boss, manufactured by Stauff Corp, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-373-0474 has 3 manufacturer part numbers on file: 4KK165 (Oshkosh Defense Llc), SMA20-1/4 NPT-V (Ametek, Inc. Div Aerospace & Defense), SMA20-1/4 NPT-V (Stauff Corp).
Key specifications for SMA20-1/4 NPT-V: Nominal Overall Length: 55.0 MILLIMETERS MM; Criticality Code Justification: FEAT; Special Features: WEAPON SYSTEM ESSENTIAL; End Item Identification: 4730-01-307-7676; PRESSURE TEST KIT 4SK777 FOR HEMTT (HEAVY EXPANDED MOBILITY TACTICAL TRUCK). 2 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.