PartsTable TECHNICAL DATA SHEET

NSN 4820-01-481-2134Government record, cited

Valve, Check4820-01-481-2134

NSN 4820-01-481-2134 · NIIN 014812134 · Part number 3500135-001

Evac North America Inc · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 47WD8

Government record, cited

NSN 4820-01-481-2134 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-481-2134. Manufacturer of record part number: 3500135-001.

Also searched as 4820-01-481-2134 · 4820014812134 · NIIN 014812134 · 01-481-2134 · FSC 4820 Valves, Nonpowered · CAGE 47WD8 · 3500135-001

Nearby stock numbers ← 4820-01-481-2109 Parts Kit, Linear Directional Con · 4820-01-481-2270 Valve, Safety Relief →

4820-01-481-2134 — Valves, Nonpowered

Features

Valve,check — FSC 4820
Nominal Thread Size: 0.500 INCHES ALL ENDS IN
Thread Series Designator: NPT ALL ENDS
1 manufacturer part number on file
Manufacturer of record: Evac North America Inc

Identification

NSN: 4820-01-481-2134
NIIN: 014812134
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 3500135-001
Manufacturer: Evac North America Inc

General Description

The Valve,check, cataloged under National Stock Number 4820-01-481-2134, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Evac North America Inc. Government technical data includes 2 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	4820-01-481-2134
Primary Part Number	3500135-001
Item Name	Valve,check
FSC / FSG	4820 / 48 — Valves, Nonpowered
Manufacturer	Evac North America Inc
Status	ACTIVE
Nominal Thread Size	0.500 INCHES ALL ENDS IN
Thread Series Designator	NPT ALL ENDS

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
3500135-001 PRIMARY	Evac North America Inc (USA)

Reference documents

Reference	Meaning
3500135-001	5/9 Secondary reference Envirovac Inc Dba Monogram Systems-Rockford Div

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 4820-01-481-2134?

NSN 4820-01-481-2134 is a Valve,check, manufactured by Evac North America Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-481-2134?

NSN 4820-01-481-2134 has 1 manufacturer part number on file: 3500135-001 (Evac North America Inc).

What are the specifications of 3500135-001?

Key specifications for 3500135-001: Nominal Thread Size: 0.500 INCHES ALL ENDS IN; Special Features: 1 UNIT PER ASSEMBLY; Part Name Assigned by Controlling Agency: VALVE, GATE; End Item Identification: SEWAGE TREATMENT ASSEMBLY. 2 specifications are documented in the U.S. Government catalog.

Is NSN 4820-01-481-2134 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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