The Adapter,straight,pipe to Boss, cataloged under National Stock Number 4730-01-159-7684, 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 Triumph Manufacturing Company, Inc.. Government technical data includes 14 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-159-7684 |
| Primary Part Number | 2621-827-05ASSY200 |
| Item Name | Adapter,straight,pipe to Boss |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Triumph Manufacturing Company, Inc. |
| Status | ACTIVE |
| Furnished Items and Quantity | 1 PREFORMED PACKING AND 1 PLUG AND CHAIN |
| Nominal Pipe Size Accommodated | 0.500 INCHES FIRST END IN |
| Connection Style | SOCKET (PIPE) FIRST END |
| Connection Style | GASKET SEAL (BOSS) SECOND END |
| Nominal Overall Length | 1.500 INCHES IN |
| Connection Type | UNTHREADED INTERNAL PIPE FIRST END |
| Connection Type | THREADED INTERNAL BOSS SECOND END |
| Material Document and Classification | QQ-N-281,CL B FED SPEC SINGLE MATERIAL RESPONSE PLUG |
| Material Document and Classification | QQ-S-763,CL 316L,COND A FED SPEC SINGLE MATERIAL RESPONSE BODY |
| Nominal Thread Size | 0.750 INCHES SECOND END IN |
| Thread Class | 2B SECOND END |
| Material | STEEL CORROSION RESISTING BODY |
| Material | NICKEL ALLOY PLUG |
| Thread Series Designator | UNF 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 |
|---|---|
| 2621-827-05ASSY200 | Triumph Manufacturing Company, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 2621-827-05 ASSY 200 | 5/1 Secondary reference U.S. Government activity |
| 501-4686092 | D/9 Drawing number reference only U.S. Government activity |
| 18-97-0091 | 3/2 Design control — primary reference U.S. Government activity |
| 2621-827-05 | D/9 Drawing number reference only U.S. Government activity |
| 501-4686092-F18 | 5/2 Secondary reference U.S. Government activity |
NSN 4730-01-159-7684 is a Adapter,straight,pipe to Boss, manufactured by Triumph Manufacturing Company, Inc., classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-159-7684 has 1 manufacturer part number on file: 2621-827-05ASSY200 (Triumph Manufacturing Company, Inc.).
Key specifications for 2621-827-05ASSY200: Furnished Items and Quantity: 1 PREFORMED PACKING AND 1 PLUG AND CHAIN; Nominal Pipe Size Accommodated: 0.500 INCHES FIRST END IN; Connection Style: SOCKET (PIPE) FIRST END; Connection Style: GASKET SEAL (BOSS) SECOND END. 14 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.