The Sr Inst Asy,right, cataloged under National Stock Number 4470-01-388-3859, is classified within Federal Supply Class 4470 (Nuclear Reactors) of the Furnace, Steam, Drying, Nuclear Reactors group. Government technical data includes 2 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 7 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
4470-01-388-3859
Item Name
Sr Inst Asy,right
FSC / FSG
4470 / 44 — Nuclear Reactors
Status
ACTIVE
Criticality Code Justification
ZZZY
Reference Number Differentiating Characteristics
SELECTED AND TESTED FOR NUCLEAR PROPULSION PLANT SYSTEMS
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL F — Mutilate — Cut
Hazard
No hazard code in the DLA record (HMIC N)
Criticality Code
Y
⇄Related Items7
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
4470-01-388-3893POSSIBLE MATCH
IPR INST ASY,LEFT
Possible match (shared part number)
6940-01-423-7833POSSIBLE MATCH
TRANSMITTING SET,COUNTERMEASURES
Possible match (shared part number)
6550-01-431-827906F12-01POSSIBLE MATCH
CONTROL,BLOOD CHEMISTRY
Possible match (shared part number)Abbott Laboratories Inc. Dba Abbott Nutrition Div Abbott Diagnostics Division
6840-01-577-694313-1000POSSIBLE MATCH
DISINFECTANT,UTILITY
Possible match (shared part number)Sybron Dental Specialties, Inc. Dba Analytic Endodontics
4730-01-599-5231131000POSSIBLE MATCH
FITTING,LUBRICATION
Possible match (shared part number)Coastal Marine Equipment, Inc
1560-01-614-4634131000POSSIBLE MATCH
PANEL,STRUCTURAL,AIRCRAFT
Possible match (shared part number)Leading Technology Composites Inc
8145-01-666-80871310-00POSSIBLE MATCH
BOX,SPECIAL
Possible match (shared part number)Plano Molding Company Dba Plano Custom Molding & Engrg
Cross-Reference Index
No manufacturer part numbers on file in the U.S. Government catalog.
Reference documents
Reference
Meaning
131000
5/1Secondary reference
U.S. Government activity
131000G6
3/1Design control — primary reference
U.S. Government activity
313000PC374
5/1Secondary reference
U.S. Government activity
Related Parts
4470-01-388-3893POSSIBLE MATCH
IPR INST ASY,LEFT
6940-01-423-7833POSSIBLE MATCH
TRANSMITTING SET,COUNTERMEASURES
6550-01-431-8279POSSIBLE MATCH
CONTROL,BLOOD CHEMISTRY
06F12-01
6840-01-577-6943POSSIBLE MATCH
DISINFECTANT,UTILITY
13-1000
4730-01-599-5231POSSIBLE MATCH
FITTING,LUBRICATION
131000
1560-01-614-4634POSSIBLE MATCH
PANEL,STRUCTURAL,AIRCRAFT
131000
8145-01-666-8087POSSIBLE MATCH
BOX,SPECIAL
1310-00
Frequently Asked Questions
What is NSN 4470-01-388-3859?
NSN 4470-01-388-3859 is a Sr Inst Asy,right, classified under FSC 4470, Nuclear Reactors. Status: active.
What NSN replaces 4470-01-388-3859?
7 possible matches (shared part number, not a government interchangeability claim): 4470-01-388-3893, 6940-01-423-7833, 6550-01-431-8279. Verify interchangeability with system specifications before substitution.
What are the specifications of 4470-01-388-3859?
Key specifications for 4470-01-388-3859: Criticality Code Justification: ZZZY; Reference Number Differentiating Characteristics: SELECTED AND TESTED FOR NUCLEAR PROPULSION PLANT SYSTEMS. 2 specifications are documented in the U.S. Government catalog.
Is NSN 4470-01-388-3859 hazardous material?
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
What is the DEMIL code for NSN 4470-01-388-3859?
NSN 4470-01-388-3859 has DEMIL Code F. Demilitarization may be required before disposal or transfer to non-military entities.
Sources
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.
✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.