Valve, Check4820-01-547-7491

NSN 4820-01-547-7491 · NIIN 015477491 · Part number 9941-1034

Heil Trailer International, Llc · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 1R5C8

Government record, cited

NSN 4820-01-547-7491 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-547-7491. Manufacturer of record part number: 9941-1034.

Also searched as 4820-01-547-7491 · 4820015477491 · NIIN 015477491 · 01-547-7491 · FSC 4820 Valves, Nonpowered · CAGE 1R5C8 · 9941-1034 · 443038

Nearby stock numbers ← 4820-01-547-7480 Valve, Check · 4820-01-547-7501 Cock, Drain →

4820-01-547-7491 — Valves, Nonpowered

Features

Valve,check — FSC 4820
2 manufacturer part numbers on file
Manufacturer of record: Heil Trailer International, Llc

Identification

NSN: 4820-01-547-7491
NIIN: 015477491
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 9941-1034
Manufacturer: Heil Trailer International, Llc

General Description

The Valve,check, cataloged under National Stock Number 4820-01-547-7491, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Heil Trailer International, Llc. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	4820-01-547-7491
Primary Part Number	9941-1034
Item Name	Valve,check
FSC / FSG	4820 / 48 — Valves, Nonpowered
Manufacturer	Heil Trailer International, 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
443038	Fastenal Co Dba Fastenal Co Div Fastenal Manufacturing (USA)
9941-1034 PRIMARY	Heil Trailer International, 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 4820-01-547-7491?

NSN 4820-01-547-7491 is a Valve,check, manufactured by Heil Trailer International, Llc, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-547-7491?

NSN 4820-01-547-7491 has 2 manufacturer part numbers on file: 443038 (Fastenal Co Dba Fastenal Co Div Fastenal Manufacturing), 9941-1034 (Heil Trailer International, Llc).

What are the specifications of 9941-1034?

Key specifications for 9941-1034: Part Name Assigned by Controlling Agency: VALVE, CHECK, 1/4 INCH, RELAX CHAMBER IN; End Item Identification: 2330-01-537-8217 - SEMITRAILER, TANK, 5000 GALLON FUEL DISPENSING, UNDER/OVERWING. 0 specifications are documented in the U.S. Government catalog.

Is NSN 4820-01-547-7491 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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