The Nipple,pipe, cataloged under National Stock Number 4730-01-381-1889, 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 O'brien Brass Company (inc) Dba Handy Sales Mfg. Government technical data includes 7 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 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 | 4730-01-381-1889 |
| Primary Part Number | 3325-8 |
| Item Name | Nipple,pipe |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | O'brien Brass Company (inc) Dba Handy Sales Mfg |
| Status | ACTIVE |
| Connection Style | PLAIN (PIPE) ALL ENDS |
| Nominal Overall Length | 1.810 INCHES IN |
| Connection Type | THREADED EXTERNAL PIPE ALL ENDS |
| Style Designator | CENTER WRENCHING FACILITY |
| Nominal Thread Size | 0.500 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 |
|---|---|
| 3325-8 PRIMARY | O'brien Brass Company (inc) Dba Handy Sales Mfg (USA) |
NSN 4730-01-381-1889 is a Nipple,pipe, manufactured by O'brien Brass Company (inc) Dba Handy Sales Mfg, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-381-1889 has 1 manufacturer part number on file: 3325-8 (O'brien Brass Company (inc) Dba Handy Sales Mfg).
1 possible match (shared part number, not a government interchangeability claim): 5985-01-412-4246. Verify interchangeability with system specifications before substitution.
Key specifications for 3325-8: Connection Style: PLAIN (PIPE) ALL ENDS; Nominal Overall Length: 1.810 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.