The Retainer,coupling, cataloged under National Stock Number 4730-01-502-7533, 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 Transdigm Inc Div Adelwiggins Group. Government technical data includes 3 specifications, cited from the U.S. Government catalog. The record lists 2 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4730-01-502-7533 |
| Primary Part Number | G617B16D |
| Item Name | Retainer,coupling |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Transdigm Inc Div Adelwiggins Group |
| Status | ACTIVE |
| Outside Diameter | 1.395 INCHES MINIMUM AND 1.400 INCHES MAXIMUM IN |
| Inside Diameter | 1.290 INCHES MINIMUM AND 1.295 INCHES MAXIMUM IN |
| Material | ALUMINUM ALLOY |
| 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 |
|---|---|
| G617B16D PRIMARY | Transdigm Inc Div Adelwiggins Group (USA) |
| 19R34-16A PRIMARY | Hydraflow (USA) |
| Reference | Meaning |
|---|---|
| 7D0501A16 | 5/2 Secondary reference U.S. Government activity |
| G36010-A | C/1 Advisory reference — outside the item-of-supply concept Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution |
| G36010-A | 5/9 Secondary reference Eaton Aviation Corporation |
NSN 4730-01-502-7533 is a Retainer,coupling, manufactured by Transdigm Inc Div Adelwiggins Group, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-502-7533 has 2 manufacturer part numbers on file: G617B16D (Transdigm Inc Div Adelwiggins Group), 19R34-16A (Hydraflow).
Key specifications for G617B16D: Outside Diameter: 1.395 INCHES MINIMUM AND 1.400 INCHES MAXIMUM IN; Inside Diameter: 1.290 INCHES MINIMUM AND 1.295 INCHES MAXIMUM IN; Special Features: WIDTH IS 1.059 IN,ACCOMODATING TUBE SIZE IS 1.000 IN IN; Part Name Assigned by Controlling Agency: SLEEVE, SEAL-METALLIC, CLAMSHELL COUPLER. 3 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.