Sleeve, Valve Check4820-01-172-2131

NSN 4820-01-172-2131 · NIIN 011722131

FSC 4820 — Valves, Nonpowered · FSG 48 — Valves

Government record, cited

Also searched as 4820-01-172-2131 · 4820011722131 · NIIN 011722131 · 01-172-2131 · FSC 4820 Valves, Nonpowered · 2119499 · 76791-32X3PC4 · 76791-32X3PC4

Nearby stock numbers ← 4820-01-172-2130 Vent and Drain Assembly · 4820-01-172-2132 →

4820-01-172-2131 — Valves, Nonpowered

Features

Sleeve,valve Check — FSC 4820
General Characteristics Item Description: ALUMINUM BRONZE; 3.218 IN. LG; 2.248 IN. OD; 1.750 IN. ID IN

Identification

NSN: 4820-01-172-2131
NIIN: 011722131
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves

General Description

The Sleeve,valve Check, cataloged under National Stock Number 4820-01-172-2131, 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1 specification, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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	4820-01-172-2131
Item Name	Sleeve,valve Check
FSC / FSG	4820 / 48 — Valves, Nonpowered
Status	ACTIVE
General Characteristics Item Description	ALUMINUM BRONZE; 3.218 IN. LG; 2.248 IN. OD; 1.750 IN. ID IN

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.

4820-01-210-27682119499 PIECE 65 POSSIBLE MATCH

SLEEVE,BLANKING,VALVE

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
2119499	D/9 Drawing number reference only U.S. Government activity
76791-32X3PC4	3/2 Design control — primary reference U.S. Government activity
76791-32X3PC4	5/9 Secondary reference Oceanetics Inc

Related Parts

4820-01-210-2768POSSIBLE MATCH

SLEEVE,BLANKING,VALVE

2119499 PIECE 65

Frequently Asked Questions

What is NSN 4820-01-172-2131?

NSN 4820-01-172-2131 is a Sleeve,valve Check, classified under FSC 4820, Valves, Nonpowered. Status: active.

What NSN replaces 4820-01-172-2131?

1 possible match (shared part number, not a government interchangeability claim): 4820-01-210-2768. Verify interchangeability with system specifications before substitution.

What are the specifications of 4820-01-172-2131?

Key specifications for 4820-01-172-2131: General Characteristics Item Description: ALUMINUM BRONZE; 3.218 IN. LG; 2.248 IN. OD; 1.750 IN. ID IN. 1 specification is documented in the U.S. Government catalog.

Is NSN 4820-01-172-2131 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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