The Seat,piston, cataloged under National Stock Number 4530-01-031-0532, is classified within Federal Supply Class 4530 (Fuel Burning Equipment Units) of the Plumbing, Heating, and Waste Disposal group. The manufacturer of record is Babcock & Wilcox Co. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4530-01-031-0532 |
| Primary Part Number | 1184F1PC151 |
| Item Name | Seat,piston |
| FSC / FSG | 4530 / 45 — Fuel Burning Equipment Units |
| Manufacturer | Babcock & Wilcox Co |
| Status | ACTIVE |
| General Characteristics Item Description | STEEL; 0.750 IN. ID,1.375 IN. MAJOR 0.938 IN. MINOR OD,1.312 IN. H IN |
| 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 |
|---|---|
| 1184F1PC151 PRIMARY | Babcock & Wilcox Co (USA) |
| 35521APC151 PRIMARY | Babcock & Wilcox Co (USA) |
| Reference | Meaning |
|---|---|
| 1237F-6 PIECE 151 | 3/9 Design control — primary reference The Babcock & Wilcox Company Dba B & W Service Co Div B&w Service Company |
| 35521A | D/9 Drawing number reference only The Babcock & Wilcox Company Dba B & W Service Co Div B&w Service Company |
| 35521APC151 | 5/9 Secondary reference The Babcock & Wilcox Company Dba B & W Service Co Div B&w Service Company |
| 1237F-6 PIECE 151 | 5/9 Secondary reference Babcock & Wilcox Co |
NSN 4530-01-031-0532 is a Seat,piston, manufactured by Babcock & Wilcox Co, classified under FSC 4530, Fuel Burning Equipment Units. Status: active.
NSN 4530-01-031-0532 has 2 manufacturer part numbers on file: 1184F1PC151 (Babcock & Wilcox Co), 35521APC151 (Babcock & Wilcox Co).
Key specifications for 1184F1PC151: General Characteristics Item Description: STEEL; 0.750 IN. ID,1.375 IN. MAJOR 0.938 IN. MINOR OD,1.312 IN. H IN. 1 specification is 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.