PartsTable TECHNICAL DATA SHEET

NSN 4820-01-453-3393Government record, cited

Valve, Check4820-01-453-3393

NSN 4820-01-453-3393 · NIIN 014533393 · Part number 1281-009-500

Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 76364

Government record, cited

NSN 4820-01-453-3393 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-453-3393. Manufacturer of record part number: 1281-009-500.

Also searched as 4820-01-453-3393 · 4820014533393 · NIIN 014533393 · 01-453-3393 · FSC 4820 Valves, Nonpowered · CAGE 76364 · 1281-009-500 · 1281-009-5IN · 1281-009-R-0001 REV.A

Nearby stock numbers ← 4820-01-453-3387 Disk, Valve · 4820-01-453-3402 Valve, Regulating, Fluid Pressure →

4820-01-453-3393 — Valves, Nonpowered

Features

Valve,check — FSC 4820
Flange Shape: HEXAGON ALL ENDS
Nominal Pipe Size Accommodated: 5.000 INCHES ALL ENDS IN
Flange Face Design: PLAIN SWIVEL ALL ENDS
Mounting Position: HORIZONTAL
Connection Type: FLANGE ALL ENDS
Style Designator: STRAIGHT THRU
Material: STEEL CORROSION RESISTING BODY

Identification

NSN: 4820-01-453-3393
NIIN: 014533393
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 1281-009-500
Manufacturer: Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc

General Description

The Valve,check, cataloged under National Stock Number 4820-01-453-3393, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc. Government technical data includes 9 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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.

Technical Specifications

Parameter	Value
NSN	4820-01-453-3393
Primary Part Number	1281-009-500
Item Name	Valve,check
FSC / FSG	4820 / 48 — Valves, Nonpowered
Manufacturer	Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc
Status	ACTIVE
Flange Shape	HEXAGON ALL ENDS
Nominal Pipe Size Accommodated	5.000 INCHES ALL ENDS IN
Flange Face Design	PLAIN SWIVEL ALL ENDS
Mounting Position	HORIZONTAL
Connection Type	FLANGE ALL ENDS
Style Designator	STRAIGHT THRU
Material	STEEL CORROSION RESISTING BODY
Valve Operation Method	MANUAL
Nominal Thickness	5.000 INCHES ALL ENDS IN

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
1281-009-500 PRIMARY	Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc (USA)

Reference documents

Reference	Meaning
1281-009-5IN	5/9 Secondary reference Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc
1281-009-R-0001 REV.A	5/9 Secondary reference Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc

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

Related Parts in Valves

4820-00-000-0097

4820-00-000-0097 · Item name not on file

4820-00-001-0010

VALVE,ROTARY,SELECTOR

8171E-1/4HS2

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

D559A3M2

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 4820-01-453-3393?

NSN 4820-01-453-3393 is a Valve,check, manufactured by Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-453-3393?

NSN 4820-01-453-3393 has 1 manufacturer part number on file: 1281-009-500 (Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc).

What are the specifications of 1281-009-500?

Key specifications for 1281-009-500: Flange Shape: HEXAGON ALL ENDS; Nominal Pipe Size Accommodated: 5.000 INCHES ALL ENDS IN; Flange Face Design: PLAIN SWIVEL ALL ENDS; Mounting Position: HORIZONTAL. 9 specifications are documented in the U.S. Government catalog.

Is NSN 4820-01-453-3393 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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