Valve Service Kit4820-01-561-6451

NSN 4820-01-561-6451 · NIIN 015616451 · Part number 98650/1771

Mako Compressors, Llc · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 33742

Government record, cited

NSN 4820-01-561-6451 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-561-6451. Manufacturer of record part number: 98650/1771.

Also searched as 4820-01-561-6451 · 4820015616451 · NIIN 015616451 · 01-561-6451 · FSC 4820 Valves, Nonpowered · CAGE 33742 · 98650/1771

Nearby stock numbers ← 4820-01-561-6369 Valve, Ball · 4820-01-561-6453 Valve, Ball →

4820-01-561-6451 — Valves, Nonpowered

Features

Valve Service Kit — FSC 4820
1 manufacturer part number on file
Manufacturer of record: Mako Compressors, Llc

Identification

NSN: 4820-01-561-6451
NIIN: 015616451
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 98650/1771
Manufacturer: Mako Compressors, Llc

General Description

The Valve Service Kit, cataloged under National Stock Number 4820-01-561-6451, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Mako Compressors, Llc. 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	4820-01-561-6451
Primary Part Number	98650/1771
Item Name	Valve Service Kit
FSC / FSG	4820 / 48 — Valves, Nonpowered
Manufacturer	Mako Compressors, Llc
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
98650/1771 PRIMARY	Mako Compressors, 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 4820-01-561-6451?

NSN 4820-01-561-6451 is a Valve Service Kit, manufactured by Mako Compressors, Llc, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-561-6451?

NSN 4820-01-561-6451 has 1 manufacturer part number on file: 98650/1771 (Mako Compressors, Llc).

What are the specifications of 98650/1771?

Key specifications for 98650/1771: Special Features: 1ST STAGE; End Item Identification: 420 FT NSC (WMSL-750) COAST GUARD VESSELS FT. 0 specifications are documented in the U.S. Government catalog.

Is NSN 4820-01-561-6451 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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