The Adapter,straight,tube to Boss, cataloged under National Stock Number 4730-00-289-3103, 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 Satair A/s. Government technical data includes 19 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through both NSN and commercial part number lookups. 13 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-00-289-3103 |
| Primary Part Number | AN894-20-12 |
| Item Name | Adapter,straight,tube to Boss |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Satair A/s |
| Status | ACTIVE |
| Connection Style | FLARED (TUBE) FIRST END |
| Connection Style | GASKET SEAL (BOSS) SECOND END |
| Nominal Overall Length | 2.328 INCHES IN |
| Connection Type | THREADED EXTERNAL TUBE FIRST END |
| Connection Type | THREADED INTERNAL BOSS SECOND END |
| Nominal Outside Diameter Tube Accommodated | 0.750 INCHES FIRST END IN |
| Nominal Thread Size | 1.625 INCHES SECOND END IN |
| Nominal Thread Size | 1.062 INCHES FIRST END IN |
| Seat Angle | 37.0 DEGREES FIRST END |
| Specification/standard Data | 81343-AS4875/1 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Surface Treatment | CADMIUM OUTSIDE |
| Surface Treatment | CADMIUM INSIDE |
| Thread Class | 3A FIRST END A |
| Thread Class | 3B SECOND END |
| Thread Quantity Per Inch | 12 SECOND END |
| Thread Quantity Per Inch | 12 FIRST END |
| Material | STEEL OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT (UNJ) SECOND END |
| Thread Series Designator | UNIFIED NATIONAL JOINT (UNJ) FIRST END |
| 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 |
|---|---|
| AN894-20-12 | Satair A/s (DNK) |
| Reference | Meaning |
|---|---|
| AN894-20-12 | 5/9 Secondary reference Faber Enterprises, Inc. Div Faber Enterprise Inc |
| AN894-20-12 | 5/9 Secondary reference U.S. Government activity |
| AN894-20-12 | 5/9 Secondary reference Hydro-Fitting Manufacturing Corporation |
| AS5173 | 3/9 Design control — primary reference U.S. Government activity |
| AN894-20-12 | 5/9 Secondary reference Aerofit, Llc |
| AS4875/1 | 5/9 Secondary reference U.S. Government activity |
| AN894-20-12 | 5/9 Secondary reference Allan Aircraft Supply Co., Llc Dba Allan Aircraft Supply |
| AN894-20-12 | 5/9 Secondary reference Designed Metal Connections Inc Dba Permaswage Usa Div Permaswage, a Pcc Company |
| AS4875 | 5/9 Secondary reference U.S. Government activity |
| AN894-20-12 | 5/9 Secondary reference Crown Fitting Co Inc |
| AN894-20-12 | 5/9 Secondary reference Collins Engineering Corp |
| AN894-20-12 | 5/9 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 |
NSN 4730-00-289-3103 is a Adapter,straight,tube to Boss, manufactured by Satair A/s, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-00-289-3103 has 1 manufacturer part number on file: AN894-20-12 (Satair A/s).
Key specifications for AN894-20-12: Connection Style: FLARED (TUBE) FIRST END; Connection Style: GASKET SEAL (BOSS) SECOND END; Nominal Overall Length: 2.328 INCHES IN; Connection Type: THREADED EXTERNAL TUBE FIRST END. 19 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.