The Diaphragm,handhole, cataloged under National Stock Number 4470-00-892-5397, is classified within Federal Supply Class 4470 (Nuclear Reactors) of the Furnace, Steam, Drying, Nuclear Reactors group. The manufacturer of record is Amec Foster Wheeler North America Corp. Dba Foster Wheeler. 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4470-00-892-5397 |
| Primary Part Number | NH42029PC8 |
| Item Name | Diaphragm,handhole |
| FSC / FSG | 4470 / 44 — Nuclear Reactors |
| Manufacturer | Amec Foster Wheeler North America Corp. Dba Foster Wheeler |
| 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 |
|---|---|
| NH42029PC8 | Amec Foster Wheeler North America Corp. Dba Foster Wheeler (USA) |
| Reference | Meaning |
|---|---|
| NH42029-8 | 3/1 Design control — primary reference Amec Foster Wheeler North America Corp. Dba Foster Wheeler |
| F43216-1-2PC2-5 | C/1 Advisory reference — outside the item-of-supply concept Fairbanks Morse, Llc |
| F43216-1-5PC3-6 | C/1 Advisory reference — outside the item-of-supply concept Fairbanks Morse, Llc |
| F43216-1-5PC3-6 | 5/9 Secondary reference Coltec Industries Inc Dba Fairbanks Morse Engine Fm/alco |
| F43216-1-2PC2-5 | 5/9 Secondary reference Coltec Industries Inc Dba Fairbanks Morse Engine Fm/alco |
NSN 4470-00-892-5397 is a Diaphragm,handhole, manufactured by Amec Foster Wheeler North America Corp. Dba Foster Wheeler, classified under FSC 4470, Nuclear Reactors. Status: active.
NSN 4470-00-892-5397 has 1 manufacturer part number on file: NH42029PC8 (Amec Foster Wheeler North America Corp. Dba Foster Wheeler).
Key specifications for NH42029PC8: 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 4470-00-892-5397 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.