The Coupling,tube, cataloged under National Stock Number 4730-01-547-3577, 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 Aerofit, Llc. Government technical data includes 16 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-547-3577 |
| Primary Part Number | AFP2048T-08 |
| Item Name | Coupling,tube |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Aerofit, Llc |
| Status | ACTIVE |
| Connection Style | SOCKET (TUBE) SECOND END |
| Connection Style | SWIVEL NUT INVERTED FLARE (TUBE) FIRST END |
| Tubing Wall Nominal Thickness for Which Designed | 0.022 INCHES SECOND END IN |
| Nominal Overall Length | 0.788 INCHES IN |
| Connection Type | UNTHREADED INTERNAL TUBE SECOND END |
| Connection Type | THREADED INTERNAL TUBE FIRST END |
| Style Designator | GROOVED AND THREADED INTERNAL |
| Material Document and Classification | 81343-AMS4965 6AL-4V FED SPEC ALL MATERIAL RESPONSES OVERALL V |
| Nominal Outside Diameter Tube Accommodated | 0.500 INCHES ALL ENDS IN |
| Operating Pressure | 2000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Nominal Thread Size | 0.718 INCHES FIRST END IN |
| Seat Angle | 8.1 DEGREES FIRST END |
| Thread Class | 3B FIRST END |
| Thread Quantity Per Inch | 20 FIRST END |
| Material | TITANIUM ALLOY OVERALL |
| Thread Series Designator | UNJS 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 |
|---|---|
| AFP2048T-08 PRIMARY | Aerofit, Llc (USA) |
| AP6682T-08-022 PRIMARY | Sps Technologies, Llc Dba Airdrome Precision Components (USA) |
| R42532BT-08 | Parker-Hannifin Corporation Dba Pneutronics Div Stratoflex Product Division (USA) |
| Reference | Meaning |
|---|---|
| AP6682T-08 | 5/9 Secondary reference Sps Technologies, Llc Dba Airdrome Precision Components |
| 50-100-08 | 7/2 Vendor item drawing reference U.S. Government activity |
NSN 4730-01-547-3577 is a Coupling,tube, manufactured by Aerofit, Llc, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-547-3577 has 3 manufacturer part numbers on file: AFP2048T-08 (Aerofit, Llc), AP6682T-08-022 (Sps Technologies, Llc Dba Airdrome Precision Components), R42532BT-08 (Parker-Hannifin Corporation Dba Pneutronics Div Stratoflex Product Division).
1 possible match (shared part number, not a government interchangeability claim): 5998-01-682-5867. Verify interchangeability with system specifications before substitution.
Key specifications for AFP2048T-08: Connection Style: SOCKET (TUBE) SECOND END; Connection Style: SWIVEL NUT INVERTED FLARE (TUBE) FIRST END; Tubing Wall Nominal Thickness for Which Designed: 0.022 INCHES SECOND END IN; Nominal Overall Length: 0.788 INCHES IN. 16 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.