PartsTable TECHNICAL DATA SHEET

NSN 4820-01-645-4940Government record, cited

Valve, Check4820-01-645-4940

NSN 4820-01-645-4940 · NIIN 016454940

FSC 4820 — Valves, Nonpowered · FSG 48 — Valves

Government record, cited

Also searched as 4820-01-645-4940 · 4820016454940 · NIIN 016454940 · 01-645-4940 · FSC 4820 Valves, Nonpowered · 20861D001 FIND NO 21 · 195418 · 20861D001 · L722811M108

Nearby stock numbers ← 4820-01-645-4925 Valve, Angle · 4820-01-645-5030 Valve, Safety Relief →

4820-01-645-4940 — Valves, Nonpowered

Features

Valve,check — FSC 4820

Identification

NSN: 4820-01-645-4940
NIIN: 016454940
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves

General Description

The Valve,check, cataloged under National Stock Number 4820-01-645-4940, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.

Catalog Facts

Item Name	Valve,check
FSC / FSG	4820 — Valves, Nonpowered (FSG 48)

Technical Specifications

Parameter	Value
NSN	4820-01-645-4940
Item Name	Valve,check
FSC / FSG	4820 / 48 — Valves, Nonpowered
Status	ACTIVE

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 4

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

4820-01-645-5030L721418-111 POSSIBLE MATCH

VALVE,SAFETY RELIEF

Possible match (shared part number)The Oilgear Company Dba Jiffy Lube 213 Div Oilgear

4820-01-645-5119L722088M023 POSSIBLE MATCH

COVER PLATE,VALVE

Possible match (shared part number)The Oilgear Company Dba Jiffy Lube 213 Div Oilgear

4820-01-645-5533L722811M354 POSSIBLE MATCH

COVER PLATE,VALVE

Possible match (shared part number)The Oilgear Company Dba Jiffy Lube 213 Div Oilgear

4320-01-645-6757J191806 POSSIBLE MATCH

PUMP UNIT,CENTRIFUGAL

Possible match (shared part number)Jered Llc

Cross-Reference Index

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

Reference documents

Reference	Meaning
20861D001 FIND NO 21	C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity
195418	3/2 Design control — primary reference U.S. Government activity
20861D001	D/9 Drawing number reference only U.S. Government activity
L722811M108	3/9 Design control — primary reference The Oilgear Company Dba Jiffy Lube 213 Div Oilgear

Related Parts

4820-01-645-5030POSSIBLE MATCH

VALVE,SAFETY RELIEF

L721418-111

4820-01-645-5119POSSIBLE MATCH

COVER PLATE,VALVE

L722088M023

4820-01-645-5533POSSIBLE MATCH

COVER PLATE,VALVE

L722811M354

4320-01-645-6757POSSIBLE MATCH

PUMP UNIT,CENTRIFUGAL

J191806

Frequently Asked Questions

What is NSN 4820-01-645-4940?

NSN 4820-01-645-4940 is a Valve,check, classified under FSC 4820, Valves, Nonpowered. Status: active.

What NSN replaces 4820-01-645-4940?

4 possible matches (shared part number, not a government interchangeability claim): 4820-01-645-5030, 4820-01-645-5119, 4820-01-645-5533. Verify interchangeability with system specifications before substitution.

Is NSN 4820-01-645-4940 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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