The Nipple,tube, cataloged under National Stock Number 4730-00-061-0396, 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 Swagelok Co. Government technical data includes 15 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4730-00-061-0396 |
| Primary Part Number | B-1610-6 |
| Item Name | Nipple,tube |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Swagelok Co |
| Status | ACTIVE |
| Furnished Items and Quantity | 4 FERRULE SLEEVE AND 2 SHORT COUPLING NUT |
| Connection Style | FLARELESS (TUBE) ALL ENDS |
| Nominal Overall Length | 1.594 INCHES IN |
| Style Designator | FLARELESS W/ CENTER WRENCHING FACILITY |
| Nominal Outside Diameter Tube Accommodated | 1.000 INCHES ALL ENDS IN |
| Nominal Thread Size | 1.312 INCHES CENTER BULKHEAD IN |
| Nominal Thread Size | 1.312 INCHES ALL ENDS IN |
| Seat Angle | 20.0 DEGREES ALL ENDS |
| Thread Class | 3A CENTER BULKHEAD A |
| Thread Class | 3A ALL ENDS A |
| Thread Quantity Per Inch | 2A ALL ENDS A |
| Thread Quantity Per Inch | 20 CENTER BULKHEAD |
| Material | COPPER ALLOY OVERALL |
| Thread Series Designator | UN ALL ENDS |
| Thread Series Designator | UN CENTER BULKHEAD |
| 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 |
|---|---|
| B-1610-6 PRIMARY | Swagelok Co (USA) |
| 16-16 HBZ-B PRIMARY | Parker-Hannifin Corporation Div Instrumentation Products Division (USA) |
| 16U316 | Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok (USA) |
| Reference | Meaning |
|---|---|
| 16U | 5/9 Secondary reference Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok |
| 16U | 5/9 Secondary reference J R Douglass Company |
NSN 4730-00-061-0396 is a Nipple,tube, manufactured by Swagelok Co, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-00-061-0396 has 3 manufacturer part numbers on file: B-1610-6 (Swagelok Co), 16-16 HBZ-B (Parker-Hannifin Corporation Div Instrumentation Products Division), 16U316 (Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok).
1 possible match (shared part number, not a government interchangeability claim): 5998-01-066-0053. Verify interchangeability with system specifications before substitution.
Key specifications for B-1610-6: Furnished Items and Quantity: 4 FERRULE SLEEVE AND 2 SHORT COUPLING NUT; Connection Style: FLARELESS (TUBE) ALL ENDS; Nominal Overall Length: 1.594 INCHES IN; Style Designator: FLARELESS W/ CENTER WRENCHING FACILITY. 15 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.