Guide, Valve Stem4820-01-451-3750

NSN 4820-01-451-3750 · NIIN 014513750 · Part number LLS2

Hydraseal Valve Co Inc · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 092R6

Government record, cited

NSN 4820-01-451-3750 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-451-3750. Manufacturer of record part number: LLS2.

Also searched as 4820-01-451-3750 · 4820014513750 · NIIN 014513750 · 01-451-3750 · FSC 4820 Valves, Nonpowered · CAGE 092R6 · LLS2

Nearby stock numbers ← 4820-01-451-3723 Guide, Valve Stem · 4820-01-451-3751 Ball, Check →

4820-01-451-3750 — Valves, Nonpowered

Features

Guide,valve Stem — FSC 4820
1 manufacturer part number on file
Manufacturer of record: Hydraseal Valve Co Inc

Identification

NSN: 4820-01-451-3750
NIIN: 014513750
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: LLS2
Manufacturer: Hydraseal Valve Co Inc

General Description

The Guide,valve Stem, cataloged under National Stock Number 4820-01-451-3750, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Hydraseal Valve 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	4820-01-451-3750
Primary Part Number	LLS2
Item Name	Guide,valve Stem
FSC / FSG	4820 / 48 — Valves, Nonpowered
Manufacturer	Hydraseal Valve 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
LLS2 PRIMARY	Hydraseal Valve 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 4820-01-451-3750?

NSN 4820-01-451-3750 is a Guide,valve Stem, manufactured by Hydraseal Valve Co Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-451-3750?

NSN 4820-01-451-3750 has 1 manufacturer part number on file: LLS2 (Hydraseal Valve Co Inc).

What are the specifications of LLS2?

Key specifications for LLS2: End Item Identification: AIR RELIEF VALVE, MODEL 24FL1ARVOL. 0 specifications are documented in the U.S. Government catalog.

Is NSN 4820-01-451-3750 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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