Valve, Check4820-01-138-6720

NSN 4820-01-138-6720 · NIIN 011386720 · Part number HB91-XXX-40

Eaton Corporation Dba Eaton Inoac Div Eaton · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 77842

Government record, cited

NSN 4820-01-138-6720 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-138-6720. Manufacturer of record part number: HB91-XXX-40.

Also searched as 4820-01-138-6720 · 4820011386720 · NIIN 011386720 · 01-138-6720 · FSC 4820 Valves, Nonpowered · CAGE 77842 · HB91-XXX-40 · M3130-9-H-1

Nearby stock numbers ← 4820-01-138-6719 Valve, Check · 4820-01-138-6721 Valve, Check →

4820-01-138-6720 — Valves, Nonpowered

Features

Valve,check — FSC 4820
Material: STEEL CORROSION RESISTING OVERALL
2 manufacturer part numbers on file
Manufacturer of record: Eaton Corporation Dba Eaton Inoac Div Eaton

Identification

NSN: 4820-01-138-6720
NIIN: 011386720
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: HB91-XXX-40
Manufacturer: Eaton Corporation Dba Eaton Inoac Div Eaton

General Description

The Valve,check, cataloged under National Stock Number 4820-01-138-6720, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Eaton Corporation Dba Eaton Inoac Div Eaton. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	4820-01-138-6720
Primary Part Number	HB91-XXX-40
Item Name	Valve,check
FSC / FSG	4820 / 48 — Valves, Nonpowered
Manufacturer	Eaton Corporation Dba Eaton Inoac Div Eaton
Status	ACTIVE
Material	STEEL CORROSION RESISTING OVERALL

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
HB91-XXX-40 PRIMARY	Eaton Corporation Dba Eaton Inoac Div Eaton (USA)
M3130-9-H-1 PRIMARY	Derbyshire Marine Products, Llc Dba Derbyshire Marine Products Llc (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 4820-01-138-6720?

NSN 4820-01-138-6720 is a Valve,check, manufactured by Eaton Corporation Dba Eaton Inoac Div Eaton, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-138-6720?

NSN 4820-01-138-6720 has 2 manufacturer part numbers on file: HB91-XXX-40 (Eaton Corporation Dba Eaton Inoac Div Eaton), M3130-9-H-1 (Derbyshire Marine Products, Llc Dba Derbyshire Marine Products Llc).

What are the specifications of HB91-XXX-40?

Key specifications for HB91-XXX-40: Material: STEEL CORROSION RESISTING OVERALL. 1 specification is documented in the U.S. Government catalog.

Is NSN 4820-01-138-6720 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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