The Washer,special, cataloged under National Stock Number 4470-00-209-7482, is classified within Federal Supply Class 4470 (Nuclear Reactors) of the Furnace, Steam, Drying, Nuclear Reactors group. The manufacturer of record is Atkinson Guy F Co Willamette Iron and Steel Co 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4470-00-209-7482 |
| Primary Part Number | 152F783PC3 |
| Item Name | Washer,special |
| FSC / FSG | 4470 / 44 — Nuclear Reactors |
| Manufacturer | Atkinson Guy F Co Willamette Iron and Steel Co Div |
| Status | ACTIVE |
| Criticality Code Justification | ZZZY |
| Reference Number Differentiating Characteristics | MATERIAL WILL BE IN ACCORDANCE WITH NAVICP MECH; ACTIVITY HX QUALITY CONTROL, MANUFACTURING AND TESTING SPECIFICATIONS. |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL F — Mutilate — Cut |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | Y |
| Part Number | Manufacturer |
|---|---|
| 152F783PC3 | Atkinson Guy F Co Willamette Iron and Steel Co Div (USA) |
| Reference | Meaning |
|---|---|
| 152F783PC3 | 3/1 Design control — primary reference Fluor Marine Propulsion, Llc Dba Knolls Atomic Power Laboratory |
NSN 4470-00-209-7482 is a Washer,special, manufactured by Atkinson Guy F Co Willamette Iron and Steel Co Div, classified under FSC 4470, Nuclear Reactors. Status: active.
NSN 4470-00-209-7482 has 1 manufacturer part number on file: 152F783PC3 (Atkinson Guy F Co Willamette Iron and Steel Co Div).
Key specifications for 152F783PC3: Criticality Code Justification: ZZZY; Reference Number Differentiating Characteristics: MATERIAL WILL BE IN ACCORDANCE WITH NAVICP MECH; ACTIVITY HX QUALITY CONTROL, MANUFACTURING AND TESTING SPECIFICATIONS.. 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.
NSN 4470-00-209-7482 has DEMIL Code F. Demilitarization may be required before disposal or transfer to non-military entities.
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.