The Reducer,pipe, cataloged under National Stock Number 4730-01-187-6898, 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 Pennsylvania Machine Works, Llc. Government technical data includes 11 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-187-6898 |
| Primary Part Number | 2490300801 |
| Item Name | Reducer,pipe |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Pennsylvania Machine Works, Llc |
| Status | ACTIVE |
| Connection Style | PLAIN (TUBE) ALL ENDS |
| Nominal Overall Length | 2.620 INCHES IN |
| Connection Type | THREADED INTERNAL PIPE ALL ENDS |
| Material Document and Classification | ASTM A105 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Size | 1.250 INCHES FIRST END IN |
| Nominal Thread Size | 1.000 INCHES SECOND END IN |
| Specification/standard Data | 80204-ANSI B16.11 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Nondefinitive Spec/std Data | 4 TABLE |
| Material | STEEL OVERALL |
| Thread Series Designator | NPT ALL ENDS |
| Reducer Type | CONCENTRIC |
| 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 |
|---|---|
| 2490300801 PRIMARY | Pennsylvania Machine Works, Llc (USA) |
| Reference | Meaning |
|---|---|
| ASME B16.11 | 3/1 Design control — primary reference The American Society of Mechanical Engineers |
| B16.11 | 5/1 Secondary reference U.S. Government activity |
| 2450 1 1/4X1 NPT | 5/9 Secondary reference Flowserve Inc |
NSN 4730-01-187-6898 is a Reducer,pipe, manufactured by Pennsylvania Machine Works, Llc, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-187-6898 has 1 manufacturer part number on file: 2490300801 (Pennsylvania Machine Works, Llc).
Key specifications for 2490300801: Connection Style: PLAIN (TUBE) ALL ENDS; Nominal Overall Length: 2.620 INCHES IN; Connection Type: THREADED INTERNAL PIPE ALL ENDS; Material Document and Classification: ASTM A105 ASSN STD SINGLE MATERIAL RESPONSE OVERALL. 11 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.