Bar, Valve4820-01-146-5922

NSN 4820-01-146-5922 · NIIN 011465922

FSC 4820 — Valves, Nonpowered · FSG 48 — Valves

Government record, cited

Also searched as 4820-01-146-5922 · 4820011465922 · NIIN 011465922 · 01-146-5922 · FSC 4820 Valves, Nonpowered · 87552-0621 · 87552-0621 ITEM 11 · 515-4674129 · 515-4674129 ITEM 11

Nearby stock numbers ← 4820-01-146-5918 · 4820-01-146-5924 →

4820-01-146-5922 — Valves, Nonpowered

Features

Bar,valve — FSC 4820
General Characteristics Item Description: NICKEL COPPER ALLOY; 49.630 IN. O/A LG; 2.000 IN. DIA; THD 1.000-12 UNF-3A ONE END,1.000-12 UNF-3B OTHER END A

Identification

NSN: 4820-01-146-5922
NIIN: 011465922
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves

General Description

The Bar,valve, cataloged under National Stock Number 4820-01-146-5922, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. Government technical data includes 1 specification, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	4820-01-146-5922
Item Name	Bar,valve
FSC / FSG	4820 / 48 — Valves, Nonpowered
Status	ACTIVE
General Characteristics Item Description	NICKEL COPPER ALLOY; 49.630 IN. O/A LG; 2.000 IN. DIA; THD 1.000-12 UNF-3A ONE END,1.000-12 UNF-3B OTHER END A

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

⇄ Related Items 1

Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.

4710-01-191-6221515-4674129-0005 POSSIBLE MATCH

TUBE ASSEMBLY,METAL

Possible match (shared part number)Naval Ship Systems Command

Cross-Reference Index

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

Reference documents

Reference	Meaning
87552-0621	D/9 Drawing number reference only U.S. Government activity
87552-0621 ITEM 11	3/2 Design control — primary reference U.S. Government activity
515-4674129	D/9 Drawing number reference only U.S. Government activity
515-4674129 ITEM 11	3/2 Design control — primary reference U.S. Government activity

Related Parts

4710-01-191-6221POSSIBLE MATCH

TUBE ASSEMBLY,METAL

515-4674129-0005

Frequently Asked Questions

What is NSN 4820-01-146-5922?

NSN 4820-01-146-5922 is a Bar,valve, classified under FSC 4820, Valves, Nonpowered. Status: active.

What NSN replaces 4820-01-146-5922?

1 possible match (shared part number, not a government interchangeability claim): 4710-01-191-6221. Verify interchangeability with system specifications before substitution.

What are the specifications of 4820-01-146-5922?

Key specifications for 4820-01-146-5922: General Characteristics Item Description: NICKEL COPPER ALLOY; 49.630 IN. O/A LG; 2.000 IN. DIA; THD 1.000-12 UNF-3A ONE END,1.000-12 UNF-3B OTHER END A. 1 specification is documented in the U.S. Government catalog.

Is NSN 4820-01-146-5922 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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