The Adapter,straight,pipe to Boss, cataloged under National Stock Number 4730-01-145-4833, 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 Hydrasearch Company, Llc. Government technical data includes 17 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government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 | 4730-01-145-4833 |
| Primary Part Number | PL-1444 ITEM 4A |
| Item Name | Adapter,straight,pipe to Boss |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Hydrasearch Company, Llc |
| Status | ACTIVE |
| Furnished Items and Quantity | 2 PREFORMED PACKING |
| Connection Style | EXTERNAL SEAT FOR GASKET SEAL (BOSS) SECOND END |
| Connection Style | PLAIN (PIPE) FIRST END |
| Nominal Overall Length | 3.100 INCHES IN |
| Connection Type | THREADED EXTERNAL BOSS SECOND END |
| Connection Type | THREADED EXTERNAL PIPE FIRST END |
| Material Document and Classification | 66,AISI 303/SAE 30303 FED STD SINGLE MATERIAL RESPONSE BODY |
| Reduced Passage Nominal Inside Diameter | 0.440 INCHES FIRST END IN |
| Nominal Thread Size | 1.750 INCHES SECOND END IN |
| Nominal Thread Size | 0.750 INCHES FIRST END IN |
| Media for Which Designed | FLUID SINGLE RESPONSE |
| Thread Class | 2A SECOND END A |
| Thread Quantity Per Inch | 12 SECOND END |
| Material | STEEL COMP 303 BODY |
| Material | PLASTIC AND RUBBER SYNTHETIC GASKET |
| Thread Series Designator | UN SECOND END |
| Thread Series Designator | NPT FIRST 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 |
|---|---|
| PL-1444 ITEM 4A PRIMARY | Hydrasearch Company, Llc (USA) |
| Reference | Meaning |
|---|---|
| 051331 | C/1 Advisory reference — outside the item-of-supply concept Hydrasearch Co., Inc. Dba Use CAGE Code 32142 for Cataloging |
| PL-1444 | D/9 Drawing number reference only Hydrasearch Co., Inc. Dba Use CAGE Code 32142 for Cataloging |
NSN 4730-01-145-4833 is a Adapter,straight,pipe to Boss, manufactured by Hydrasearch Company, Llc, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-145-4833 has 1 manufacturer part number on file: PL-1444 ITEM 4A (Hydrasearch Company, Llc).
4 possible matches (shared part number, not a government interchangeability claim): 4820-01-145-4852, 4820-01-200-9474, 4820-01-237-9509. Verify interchangeability with system specifications before substitution.
Key specifications for PL-1444 ITEM 4A: Furnished Items and Quantity: 2 PREFORMED PACKING; Connection Style: EXTERNAL SEAT FOR GASKET SEAL (BOSS) SECOND END; Connection Style: PLAIN (PIPE) FIRST END; Nominal Overall Length: 3.100 INCHES IN. 17 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.