The Adapter,straight,pipe to Tube, cataloged under National Stock Number 4730-01-142-7881, 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 Parker-Hannifin Corporation Div Instrumentation Products Division. Government technical data includes 9 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4730-01-142-7881 |
| Primary Part Number | 12-3/4AW-CN |
| Item Name | Adapter,straight,pipe to Tube |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Parker-Hannifin Corporation Div Instrumentation Products Division |
| Status | ACTIVE |
| Nominal Pipe Size Accommodated | 0.750 INCHES SECOND END IN |
| Connection Style | SOCKET (TUBE) FIRST END |
| Connection Style | PLAIN (PIPE) SECOND END |
| Tubing Wall Nominal Thickness for Which Designed | 0.035 INCHES FIRST END IN |
| Nominal Overall Length | 1.250 INCHES IN |
| Connection Type | UNTHREADED EXTERNAL PIPE SECOND END |
| Connection Type | UNTHREADED INTERNAL TUBE FIRST END |
| Nominal Outside Diameter Tube Accommodated | 0.750 INCHES FIRST END IN |
| Material | COPPER ALLOY OVERALL |
| 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 |
|---|---|
| 57017 ITEM 685 | L3harris Technologies, Inc. (USA) |
| 12-3/4AW-CN PRIMARY | Parker-Hannifin Corporation Div Instrumentation Products Division (USA) |
| Reference | Meaning |
|---|---|
| 67193 | D/9 Drawing number reference only U.S. Government activity |
| 57017 ITEM 685 | 5/9 Secondary reference U.S. Government activity |
| 67193-1 | 5/2 Secondary reference U.S. Government activity |
NSN 4730-01-142-7881 is a Adapter,straight,pipe to Tube, manufactured by Parker-Hannifin Corporation Div Instrumentation Products Division, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-142-7881 has 2 manufacturer part numbers on file: 57017 ITEM 685 (L3harris Technologies, Inc.), 12-3/4AW-CN (Parker-Hannifin Corporation Div Instrumentation Products Division).
1 possible match (shared part number, not a government interchangeability claim): 4730-01-142-7882. Verify interchangeability with system specifications before substitution.
Key specifications for 12-3/4AW-CN: Nominal Pipe Size Accommodated: 0.750 INCHES SECOND END IN; Connection Style: SOCKET (TUBE) FIRST END; Connection Style: PLAIN (PIPE) SECOND END; Tubing Wall Nominal Thickness for Which Designed: 0.035 INCHES FIRST END IN. 9 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.