Valve, Calibrated Flow4820-01-330-5982

NSN 4820-01-330-5982 · NIIN 013305982 · Part number 8731DA

Bath Iron Works Corporation · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 70876

Government record, cited

NSN 4820-01-330-5982 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-330-5982. Manufacturer of record part number: 8731DA.

Also searched as 4820-01-330-5982 · 4820013305982 · NIIN 013305982 · 01-330-5982 · FSC 4820 Valves, Nonpowered · CAGE 70876 · 8731DA

Nearby stock numbers ← 4820-01-330-5981 Valve, Calibrated Flow · 4820-01-330-6001 Parts Kit, Ball Valve →

4820-01-330-5982 — Valves, Nonpowered

Features

Valve,calibrated Flow — FSC 4820
Second End Relationship with First End: IDENTICAL
Body Style: STRAIGHT THRU
End Connection Quantity: 2
1 manufacturer part number on file
Manufacturer of record: Bath Iron Works Corporation

Identification

NSN: 4820-01-330-5982
NIIN: 013305982
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 8731DA
Manufacturer: Bath Iron Works Corporation

General Description

The Valve,calibrated Flow, cataloged under National Stock Number 4820-01-330-5982, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Bath Iron Works Corporation. Government technical data includes 3 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. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	4820-01-330-5982
Primary Part Number	8731DA
Item Name	Valve,calibrated Flow
FSC / FSG	4820 / 48 — Valves, Nonpowered
Manufacturer	Bath Iron Works Corporation
Status	ACTIVE
Second End Relationship with First End	IDENTICAL
Body Style	STRAIGHT THRU
End Connection Quantity	2

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
8731DA PRIMARY	Bath Iron Works Corporation (USA)

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 4820-01-330-5982?

NSN 4820-01-330-5982 is a Valve,calibrated Flow, manufactured by Bath Iron Works Corporation, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-330-5982?

NSN 4820-01-330-5982 has 1 manufacturer part number on file: 8731DA (Bath Iron Works Corporation).

What are the specifications of 8731DA?

Key specifications for 8731DA: Second End Relationship with First End: IDENTICAL; Body Style: STRAIGHT THRU; End Connection Quantity: 2. 3 specifications are documented in the U.S. Government catalog.

Is NSN 4820-01-330-5982 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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