PartsTable TECHNICAL DATA SHEET

NSN 4820-01-266-9527Government record, cited

Adapter, Stop Wrench4820-01-266-9527

NSN 4820-01-266-9527 · NIIN 012669527 · Part number 259046 ITEM 100 ASSEMBLY A-D

Huntington Ingalls Inc Div Newport News Shipbuilding · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 43689

Government record, cited

NSN 4820-01-266-9527 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-266-9527. Manufacturer of record part number: 259046 ITEM 100 ASSEMBLY A-D.

Also searched as 4820-01-266-9527 · 4820012669527 · NIIN 012669527 · 01-266-9527 · FSC 4820 Valves, Nonpowered · CAGE 43689 · 259046 ITEM 100 ASSEMBLY A-D · 259224 ITEM 114 ASSEMBLY A-D · 259224

Nearby stock numbers ← 4820-01-266-9332 · 4820-01-266-9530 Holder, Valve →

4820-01-266-9527 — Valves, Nonpowered

Features

Adapter,stop Wrench — FSC 4820
2 manufacturer part numbers on file
Manufacturer of record: Huntington Ingalls Inc Div Newport News Shipbuilding

Identification

NSN: 4820-01-266-9527
NIIN: 012669527
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 259046 ITEM 100 ASSEMBLY A-D
Manufacturer: Huntington Ingalls Inc Div Newport News Shipbuilding

General Description

The Adapter,stop Wrench, cataloged under National Stock Number 4820-01-266-9527, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Huntington Ingalls Inc Div Newport News Shipbuilding. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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.

Catalog Facts

Item Name	Adapter,stop Wrench
FSC / FSG	4820 — Valves, Nonpowered (FSG 48)
Manufacturers	Huntington Ingalls Inc Div Newport News Shipbuilding (CAGE 43689)

Technical Specifications

Parameter	Value
NSN	4820-01-266-9527
Primary Part Number	259046 ITEM 100 ASSEMBLY A-D
Item Name	Adapter,stop Wrench
FSC / FSG	4820 / 48 — Valves, Nonpowered
Manufacturer	Huntington Ingalls Inc Div Newport News Shipbuilding
Status	ACTIVE

Lifecycle & Compliance

Acquisition Status	ACTIVE
DEMIL Code	DEMIL A — No Demilitarization Required
Hazard	No hazard code in the DLA record (HMIC N)
Criticality Code	X

Cross-Reference Index

Part Number	Manufacturer
259224 ITEM 114 ASSEMBLY A-D	Huntington Ingalls Inc Div Newport News Shipbuilding (USA)
259046 ITEM 100 ASSEMBLY A-D PRIMARY	Huntington Ingalls Inc Div Newport News Shipbuilding (USA)

Reference documents

Reference	Meaning
259224	D/9 Drawing number reference only Huntington Ingalls Inc Div Newport News Shipbuilding

No interchangeability data on file.

Other items in FSC 4820 — Valves, Nonpowered

Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.

4820-00-000-0097

4820-00-000-0097 · Item name not on file

4820-00-001-0010

VALVE,ROTARY,SELECTOR

4820-00-001-0020

4820-00-001-0020 · Item name not on file

4820-00-001-0021

4820-00-001-0021 · Item name not on file

4820-00-001-0032

4820-00-001-0032 · Item name not on file

4820-00-001-0037

VALVE,SAFETY RELIEF

4820-00-001-0042

4820-00-001-0042 · Item name not on file

4820-00-001-1230

4820-00-001-1230 · Item name not on file

Frequently Asked Questions

What is NSN 4820-01-266-9527?

NSN 4820-01-266-9527 is a Adapter,stop Wrench, manufactured by Huntington Ingalls Inc Div Newport News Shipbuilding, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-266-9527?

NSN 4820-01-266-9527 has 2 manufacturer part numbers on file: 259224 ITEM 114 ASSEMBLY A-D (Huntington Ingalls Inc Div Newport News Shipbuilding), 259046 ITEM 100 ASSEMBLY A-D (Huntington Ingalls Inc Div Newport News Shipbuilding).

Is NSN 4820-01-266-9527 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.

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.

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