Valve, Bleeder, Hydraulic System4820-01-556-9531

NSN 4820-01-556-9531 · NIIN 015569531 · Part number JEM7538

Jones Engineering & Manufacturing Co Inc · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 1B3F8

Government record, cited

NSN 4820-01-556-9531 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-556-9531. Manufacturer of record part number: JEM7538.

Also searched as 4820-01-556-9531 · 4820015569531 · NIIN 015569531 · 01-556-9531 · FSC 4820 Valves, Nonpowered · CAGE 1B3F8 · JEM7538

Nearby stock numbers ← 4820-01-556-9521 Retainer, Seat, Valve · 4820-01-556-9533 Valve, Vent-Check →

4820-01-556-9531 — Valves, Nonpowered

Features

Valve,bleeder,hydraulic System — FSC 4820
1 manufacturer part number on file
Manufacturer of record: Jones Engineering & Manufacturing Co Inc

Identification

NSN: 4820-01-556-9531
NIIN: 015569531
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: JEM7538
Manufacturer: Jones Engineering & Manufacturing Co Inc

General Description

The Valve,bleeder,hydraulic System, cataloged under National Stock Number 4820-01-556-9531, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Jones Engineering & Manufacturing Co Inc. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	4820-01-556-9531
Primary Part Number	JEM7538
Item Name	Valve,bleeder,hydraulic System
FSC / FSG	4820 / 48 — Valves, Nonpowered
Manufacturer	Jones Engineering & Manufacturing Co Inc
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

Cross-Reference Index

Part Number	Manufacturer
JEM7538 PRIMARY	Jones Engineering & Manufacturing Co Inc (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 4820-01-556-9531?

NSN 4820-01-556-9531 is a Valve,bleeder,hydraulic System, manufactured by Jones Engineering & Manufacturing Co Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-556-9531?

NSN 4820-01-556-9531 has 1 manufacturer part number on file: JEM7538 (Jones Engineering & Manufacturing Co Inc).

What are the specifications of JEM7538?

Key specifications for JEM7538: Part Name Assigned by Controlling Agency: BLEED VALVE; End Item Identification: 3040-01-556-9064. 0 specifications are documented in the U.S. Government catalog.

Is NSN 4820-01-556-9531 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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