The Retainer,disk,valve, cataloged under National Stock Number 4820-01-232-8229, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Crane Corp Crane Valve Services Div. Government technical data includes 2 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-232-8229 |
| Primary Part Number | 32813 143 1/2U PIECE 9 4IN |
| Item Name | Retainer,disk,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Crane Corp Crane Valve Services Div |
| Status | ACTIVE |
| Material Document and Classification | ASTM A182 GRF6 ASSN STD SINGLE MATERIAL RESPONSE |
| Material | STEEL CORROSION RESISTING |
| 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 |
|---|---|
| 32813 143 1/2U PIECE 9 4IN PRIMARY | Crane Corp Crane Valve Services Div (USA) |
| Reference | Meaning |
|---|---|
| 32813 143 1/2U PIECE 9 4IN | 5/9 Secondary reference Crane Co Div Valve Div |
| 32813 | D/9 Drawing number reference only Crane Co Div Valve Div |
NSN 4820-01-232-8229 is a Retainer,disk,valve, manufactured by Crane Corp Crane Valve Services Div, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-232-8229 has 1 manufacturer part number on file: 32813 143 1/2U PIECE 9 4IN (Crane Corp Crane Valve Services Div).
Key specifications for 32813 143 1/2U PIECE 9 4IN: Material Document and Classification: ASTM A182 GRF6 ASSN STD SINGLE MATERIAL RESPONSE; Material: STEEL CORROSION RESISTING. 2 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.