The Nipple,pipe, cataloged under National Stock Number 4730-00-172-3530, 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 7 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-00-172-3530 |
| Primary Part Number | B-2-HLN-2.00 |
| Item Name | Nipple,pipe |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Swagelok Co |
| Status | ACTIVE |
| Connection Style | PLAIN (PIPE) ALL ENDS |
| Nominal Overall Length | 2.000 INCHES IN |
| Connection Type | THREADED EXTERNAL PIPE ALL ENDS |
| Style Designator | CENTER WRENCHING FACILITY |
| Nominal Thread Size | 0.125 INCHES ALL ENDS IN |
| Material | COPPER ALLOY OVERALL |
| Thread Series Designator | NPT ALL ENDS |
| 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 |
|---|---|
| 876816-00 | Defense Reduction Agency (USA) |
| B-2-HLN-2.00 PRIMARY | Swagelok Co (USA) |
| 2-2 MHLN-B 2.0 PRIMARY | Parker-Hannifin Corporation Div Instrumentation Products Division (USA) |
| 876816 | Naval Inventory Control Point Mechanicsburg (USA) |
| Reference | Meaning |
|---|---|
| B48021-00220 | C/1 Advisory reference — outside the item-of-supply concept Pacific Consolidated Industries Llc |
| B-2-HLN-2.00 | 5/9 Secondary reference Cajon Co |
| 2-2-MHLN-2-B | 5/9 Secondary reference Parker-Hannifin Corporation Div Instrumentation Products Division |
| B-2-HLN-2 | C/1 Advisory reference — outside the item-of-supply concept Cajon Co |
| B48021-2-20 | C/1 Advisory reference — outside the item-of-supply concept Pacific Consolidated Industries Llc |
NSN 4730-00-172-3530 is a Nipple,pipe, manufactured by Swagelok Co, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-00-172-3530 has 4 manufacturer part numbers on file: 876816-00 (Defense Reduction Agency), B-2-HLN-2.00 (Swagelok Co), 2-2 MHLN-B 2.0 (Parker-Hannifin Corporation Div Instrumentation Products Division), 876816 (Naval Inventory Control Point Mechanicsburg).
Key specifications for B-2-HLN-2.00: Connection Style: PLAIN (PIPE) ALL ENDS; Nominal Overall Length: 2.000 INCHES IN; Connection Type: THREADED EXTERNAL PIPE ALL ENDS; Style Designator: CENTER WRENCHING FACILITY. 7 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.