PartsTable TECHNICAL DATA SHEET

NSN 4820-01-650-8649Government record, cited

Valve Angle Relief4820-01-650-8649

NSN 4820-01-650-8649 · NIIN 016508649

FSC 4820 — Valves, Nonpowered · FSG 48 — Valves

Government record, cited

Also searched as 4820-01-650-8649 · 4820016508649 · NIIN 016508649 · 01-650-8649 · FSC 4820 Valves, Nonpowered · DN60-0004 · UB1NCNN07CPRR · CDN60-0004-1/UB1NCNN07CPRR

Nearby stock numbers ← 4820-01-650-8581 Cap, Valve · 4820-01-650-8650 Valve, Flow Control →

4820-01-650-8649 — Valves, Nonpowered

Features

Valve Angle Relief — FSC 4820
Criticality Code Justification: ZZZY
Reference Number Differentiating Characteristics: MATERIAL WILL BE IN ACCORDANCE WITH NAVSUP-WSS ACTIVITY HX QUALITY CONTROL, MANUFACTURING AND TESTING SPECIFICATIONS

Identification

NSN: 4820-01-650-8649
NIIN: 016508649
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves

General Description

The Valve Angle Relief, cataloged under National Stock Number 4820-01-650-8649, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves 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2 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	4820-01-650-8649
Item Name	Valve Angle Relief
FSC / FSG	4820 / 48 — Valves, Nonpowered
Status	ACTIVE
Criticality Code Justification	ZZZY
Reference Number Differentiating Characteristics	MATERIAL WILL BE IN ACCORDANCE WITH NAVSUP-WSS ACTIVITY HX QUALITY CONTROL, MANUFACTURING AND TESTING SPECIFICATIONS

Lifecycle & Compliance

Acquisition Status	ACTIVE
DEMIL Code	DEMIL Q — CCL Item — Commerce Control List
Hazard	No hazard code in the DLA record (HMIC N)
Criticality Code	Y

Cross-Reference Index

No manufacturer part numbers on file in the U.S. Government catalog.

Reference documents

Reference	Meaning
DN60-0004	5/1 Secondary reference Dante Valve Company
UB1NCNN07CPRR	3/1 Design control — primary reference Dante Valve Company
CDN60-0004-1/UB1NCNN07CPRR	5/1 Secondary reference Dante Valve Company

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 4820-01-650-8649?

NSN 4820-01-650-8649 is a Valve Angle Relief, classified under FSC 4820, Valves, Nonpowered. Status: active.

What are the specifications of 4820-01-650-8649?

Key specifications for 4820-01-650-8649: Criticality Code Justification: ZZZY; Reference Number Differentiating Characteristics: MATERIAL WILL BE IN ACCORDANCE WITH NAVSUP-WSS ACTIVITY HX QUALITY CONTROL, MANUFACTURING AND TESTING SPECIFICATIONS. 2 specifications are documented in the U.S. Government catalog.

Is NSN 4820-01-650-8649 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 4820-01-650-8649?

NSN 4820-01-650-8649 has DEMIL Code Q. 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.

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