The Adapter,straight,pipe to Tube, cataloged under National Stock Number 4730-01-176-2802, 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 Federal Commercial Item Description Promulgated by General Services Administration Washington DC. Government technical data includes 10 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-176-2802 |
| Primary Part Number | AA59443-3 |
| Item Name | Adapter,straight,pipe to Tube |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Federal Commercial Item Description Promulgated by General Services Administration Washington DC |
| Status | ACTIVE |
| Connection Style | PLAIN (TUBE) FIRST END |
| Connection Style | PLAIN (PIPE) SECOND END |
| Nominal Overall Length | 1.122 INCHES IN |
| Connection Type | THREADED INTERNAL PIPE SECOND END |
| Connection Type | UNTHREADED EXTERNAL TUBE FIRST END |
| Nominal Outside Diameter Tube Accommodated | 0.500 INCHES FIRST END IN |
| Nominal Thread Size | 0.500 INCHES SECOND END IN |
| Specification/standard Data | 96906-MS35918 GOVERNMENT SPECIFICATION |
| Material | COPPER ALLOY OVERALL |
| Thread Series Designator | NPT SECOND 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 |
|---|---|
| AA59443-3 | Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA) |
| Reference | Meaning |
|---|---|
| A-A-59443 | 4/1 Identification reference Federal Commercial Item Description Promulgated by General Services Administration Washington DC |
| A-A 59443-3 | 5/9 Secondary reference U.S. Government activity |
| MS35918-3 | 5/9 Secondary reference U.S. Government activity |
NSN 4730-01-176-2802 is a Adapter,straight,pipe to Tube, manufactured by Federal Commercial Item Description Promulgated by General Services Administration Washington DC, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-176-2802 has 1 manufacturer part number on file: AA59443-3 (Federal Commercial Item Description Promulgated by General Services Administration Washington DC).
3 possible matches (shared part number, not a government interchangeability claim): 4730-01-382-6692, 4730-01-383-5237, 4730-01-682-7100. Verify interchangeability with system specifications before substitution.
Key specifications for AA59443-3: Connection Style: PLAIN (TUBE) FIRST END; Connection Style: PLAIN (PIPE) SECOND END; Nominal Overall Length: 1.122 INCHES IN; Connection Type: THREADED INTERNAL PIPE SECOND END. 10 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.