The Coupling,tube, cataloged under National Stock Number 4730-01-216-7672, 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 Sps Technologies, Llc Dba Airdrome Precision Components. Government technical data includes 11 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4730-01-216-7672 |
| Primary Part Number | AP244-8 |
| Item Name | Coupling,tube |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Sps Technologies, Llc Dba Airdrome Precision Components |
| Status | ACTIVE |
| Connection Style | FLARED (TUBE) ALL ENDS |
| Nominal Overall Length | 1.440 INCHES IN |
| Connection Type | THREADED INTERNAL TUBE ALL ENDS |
| Style Designator | RIGID, SHORT CENTER WRENCHING FACILITY |
| Nominal Outside Diameter Tube Accommodated | 0.500 INCHES ALL ENDS IN |
| Nominal Thread Size | 0.750 INCHES ALL ENDS IN |
| Seat Angle | 37.0 DEGREES ALL ENDS |
| Surface Treatment | PASSIVATE OVERALL |
| Thread Class | 3B ALL ENDS |
| Material | STEEL COMP 304 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) ALL ENDS |
| 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 |
|---|---|
| AP244-8 PRIMARY | Sps Technologies, Llc Dba Airdrome Precision Components (USA) |
| Reference | Meaning |
|---|---|
| C11546 | 7/1 Vendor item drawing reference U.S. Government activity |
| C11546-8 | 5/2 Secondary reference U.S. Government activity |
NSN 4730-01-216-7672 is a Coupling,tube, manufactured by Sps Technologies, Llc Dba Airdrome Precision Components, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-216-7672 has 1 manufacturer part number on file: AP244-8 (Sps Technologies, Llc Dba Airdrome Precision Components).
1 possible match (shared part number, not a government interchangeability claim): 4730-01-217-2607. Verify interchangeability with system specifications before substitution.
Key specifications for AP244-8: Connection Style: FLARED (TUBE) ALL ENDS; Nominal Overall Length: 1.440 INCHES IN; Connection Type: THREADED INTERNAL TUBE ALL ENDS; Style Designator: RIGID, SHORT CENTER WRENCHING FACILITY. 11 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.