Disk, Valve4820-01-240-3176

NSN 4820-01-240-3176 · NIIN 012403176 · Part number D3791 ITEM 31 1/2 IN

Naval Sea Systems Command Logistics Support Engineering Activity · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 12004

Government record, cited

NSN 4820-01-240-3176 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-240-3176. Manufacturer of record part number: D3791 ITEM 31 1/2 IN.

Also searched as 4820-01-240-3176 · 4820012403176 · NIIN 012403176 · 01-240-3176 · FSC 4820 Valves, Nonpowered · CAGE 12004 · D3791 ITEM 31 1/2 IN · D3791

Nearby stock numbers ← 4820-01-240-3108 · 4820-01-240-3177 Disk, Valve →

4820-01-240-3176 — Valves, Nonpowered

Features

Disk,valve — FSC 4820
Material: COPPER ALLOY
1 manufacturer part number on file
Manufacturer of record: Naval Sea Systems Command Logistics Support Engineering Activity

Identification

NSN: 4820-01-240-3176
NIIN: 012403176
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: D3791 ITEM 31 1/2 IN
Manufacturer: Naval Sea Systems Command Logistics Support Engineering Activity

General Description

The Disk,valve, cataloged under National Stock Number 4820-01-240-3176, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Naval Sea Systems Command Logistics Support Engineering Activity. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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	4820-01-240-3176
Primary Part Number	D3791 ITEM 31 1/2 IN
Item Name	Disk,valve
FSC / FSG	4820 / 48 — Valves, Nonpowered
Manufacturer	Naval Sea Systems Command Logistics Support Engineering Activity
Status	ACTIVE
Material	COPPER 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
D3791 ITEM 31 1/2 IN PRIMARY	Naval Sea Systems Command Logistics Support Engineering Activity (USA)

Reference documents

Reference	Meaning
D3791	D/9 Drawing number reference only Naval Sea Systems Command Logistics Support Engineering Activity

Frequently Asked Questions

What is NSN 4820-01-240-3176?

NSN 4820-01-240-3176 is a Disk,valve, manufactured by Naval Sea Systems Command Logistics Support Engineering Activity, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-240-3176?

NSN 4820-01-240-3176 has 1 manufacturer part number on file: D3791 ITEM 31 1/2 IN (Naval Sea Systems Command Logistics Support Engineering Activity).

What are the specifications of D3791 ITEM 31 1/2 IN?

Key specifications for D3791 ITEM 31 1/2 IN: Special Features: WITH CLAPPER 1; BUMPER 1; NUT BUMPER 1; SCREW BUMPER 1; PIN 1; BUSHING 6; O-RING 1; Material: COPPER ALLOY. 1 specification is documented in the U.S. Government catalog.

Is NSN 4820-01-240-3176 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.

PartsTable Design LLC · partstable.com