PartsTable TECHNICAL DATA SHEET

NSN 4820-01-274-1784Government record, cited

Body, Valve4820-01-274-1784

NSN 4820-01-274-1784 · NIIN 012741784 · Part number 6501-50 ITEM 73

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

Government record, cited

NSN 4820-01-274-1784 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-274-1784. Manufacturer of record part number: 6501-50 ITEM 73.

Also searched as 4820-01-274-1784 · 4820012741784 · NIIN 012741784 · 01-274-1784 · FSC 4820 Valves, Nonpowered · CAGE 43689 · 6501-50 ITEM 73 · 97-36-614

Nearby stock numbers ← 4820-01-274-1776 Disk, Valve · 4820-01-274-1793 Diaphragm, Valve, Flat →

4820-01-274-1784 — Valves, Nonpowered

Features

Body,valve — FSC 4820
Material: NICKEL ALLOY
1 manufacturer part number on file
Manufacturer of record: Huntington Ingalls Inc Div Newport News Shipbuilding

Identification

NSN: 4820-01-274-1784
NIIN: 012741784
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 6501-50 ITEM 73
Manufacturer: Huntington Ingalls Inc Div Newport News Shipbuilding

General Description

The Body,valve, cataloged under National Stock Number 4820-01-274-1784, 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. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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.

Technical Specifications

Parameter	Value
NSN	4820-01-274-1784
Primary Part Number	6501-50 ITEM 73
Item Name	Body,valve
FSC / FSG	4820 / 48 — Valves, Nonpowered
Manufacturer	Huntington Ingalls Inc Div Newport News Shipbuilding
Status	ACTIVE
Material	NICKEL ALLOY

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
6501-50 ITEM 73 PRIMARY	Huntington Ingalls Inc Div Newport News Shipbuilding (USA)

Reference documents

Reference	Meaning
97-36-614	C/1 Advisory reference — outside the item-of-supply concept 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 4820-01-274-1784?

NSN 4820-01-274-1784 is a Body,valve, manufactured by Huntington Ingalls Inc Div Newport News Shipbuilding, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-274-1784?

NSN 4820-01-274-1784 has 1 manufacturer part number on file: 6501-50 ITEM 73 (Huntington Ingalls Inc Div Newport News Shipbuilding).

What are the specifications of 6501-50 ITEM 73?

Key specifications for 6501-50 ITEM 73: Special Features: 1 IN. HEX,BOTTOM DRILL 1/4 TAP,15/16-18 UNC-2B,2 IN. LG IN; Material: NICKEL ALLOY. 1 specification is documented in the U.S. Government catalog.

Is NSN 4820-01-274-1784 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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