PartsTable TECHNICAL DATA SHEET

NSN 4820-01-198-2589Government record, cited

Bladder, Valve4820-01-198-2589

NSN 4820-01-198-2589 · NIIN 011982589 · Part number BS029-7.5

Blair Industries Inc · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 2U518

Government record, cited

NSN 4820-01-198-2589 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-198-2589. Manufacturer of record part number: BS029-7.5.

Also searched as 4820-01-198-2589 · 4820011982589 · NIIN 011982589 · 01-198-2589 · FSC 4820 Valves, Nonpowered · CAGE 2U518 · BS029-7.5 · HS029-7.5 · AX30-4-7.5 · PB37862-500

Nearby stock numbers ← 4820-01-198-2587 Arm and Pin, Valve · 4820-01-198-2591 →

4820-01-198-2589 — Valves, Nonpowered

Features

Bladder,valve — FSC 4820
2 manufacturer part numbers on file
Manufacturer of record: Blair Industries Inc

Identification

NSN: 4820-01-198-2589
NIIN: 011982589
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: BS029-7.5
Manufacturer: Blair Industries Inc

General Description

The Bladder,valve, cataloged under National Stock Number 4820-01-198-2589, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Blair Industries Inc. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.

Catalog Facts

Item Name	Bladder,valve
FSC / FSG	4820 — Valves, Nonpowered (FSG 48)
Manufacturers	Blair Industries Inc (CAGE 2U518); Curtiss-Wright Flow Control Corporation Dba Enertech Div Curtiss-Wright Flow Control (CAGE 12190)

Technical Specifications

Parameter	Value
NSN	4820-01-198-2589
Primary Part Number	BS029-7.5
Item Name	Bladder,valve
FSC / FSG	4820 / 48 — Valves, Nonpowered
Manufacturer	Blair Industries 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)

Cross-Reference Index

Part Number	Manufacturer
BS029-7.5 PRIMARY	Blair Industries Inc (USA)
PB37862-500	Curtiss-Wright Flow Control Corporation Dba Enertech Div Curtiss-Wright Flow Control (USA)

Reference documents

Reference	Meaning
HS029-7.5	3/9 Design control — primary reference Hydrodyne Industries Inc
AX30-4-7.5	5/9 Secondary reference Hydrodyne Industries Inc

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 4820-01-198-2589?

NSN 4820-01-198-2589 is a Bladder,valve, manufactured by Blair Industries Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-198-2589?

NSN 4820-01-198-2589 has 2 manufacturer part numbers on file: BS029-7.5 (Blair Industries Inc), PB37862-500 (Curtiss-Wright Flow Control Corporation Dba Enertech Div Curtiss-Wright Flow Control).

Is NSN 4820-01-198-2589 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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