The Adapter,straight,tube to Boss, cataloged under National Stock Number 4730-01-166-1082, 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 C & H Machine Inc Dba Support Equipment Inc.. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 4730-01-166-1082 |
| Primary Part Number | 710320-1 |
| Item Name | Adapter,straight,tube to Boss |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | C & H Machine Inc Dba Support Equipment Inc. |
| Status | ACTIVE |
| Connection Style | PLAIN (TUBE) FIRST END |
| Connection Style | GASKET SEAL (BOSS) SECOND END |
| Nominal Overall Length | 1.922 INCHES IN |
| Connection Type | UNTHREADED EXTERNAL TUBE FIRST END |
| Connection Type | THREADED INTERNAL BOSS SECOND END |
| Nominal Outside Diameter Tube Accommodated | 0.500 INCHES FIRST END IN |
| Nominal Thread Size | 1.062 INCHES SECOND END IN |
| Thread Class | 3B SECOND END |
| Thread Quantity Per Inch | 12 SECOND END |
| Material | ALUMINUM ALLOY OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT (UNJ) 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 |
|---|---|
| 710320-1 PRIMARY | C & H Machine Inc Dba Support Equipment Inc. (USA) |
| Reference | Meaning |
|---|---|
| 710320 | D/9 Drawing number reference only C & H Machine Inc Dba Support Equipment Inc. |
NSN 4730-01-166-1082 is a Adapter,straight,tube to Boss, manufactured by C & H Machine Inc Dba Support Equipment Inc., classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-166-1082 has 1 manufacturer part number on file: 710320-1 (C & H Machine Inc Dba Support Equipment Inc.).
2 possible matches (shared part number, not a government interchangeability claim): 6630-01-193-1170, 5995-01-436-7517. Verify interchangeability with system specifications before substitution.
Key specifications for 710320-1: Connection Style: PLAIN (TUBE) FIRST END; Connection Style: GASKET SEAL (BOSS) SECOND END; Nominal Overall Length: 1.922 INCHES IN; Connection Type: UNTHREADED EXTERNAL TUBE FIRST END. 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.