Modification Kit, Valve4820-01-334-4311

NSN 4820-01-334-4311 · NIIN 013344311 · Part number 57K0443

U S Army Tank Automotive Command Amsta-Im-Mm · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 19207

Government record, cited

NSN 4820-01-334-4311 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-334-4311. Manufacturer of record part number: 57K0443.

Also searched as 4820-01-334-4311 · 4820013344311 · NIIN 013344311 · 01-334-4311 · FSC 4820 Valves, Nonpowered · CAGE 19207 · 57K0443

Nearby stock numbers ← 4820-01-334-4310 Parts Kit, Linear Directional Con · 4820-01-334-4577 Valve, Flow Control →

4820-01-334-4311 — Valves, Nonpowered

Features

Modification Kit,valve — FSC 4820
Component Quantity: 25
Document Type: MILITARY DRAWING
End Item Source: 19207
Component Document Page Number: 2
Document Identification: 57K0443
Supply Items and Quantities: 1 NIPPLE;2 TEE;2 NUT;1 CLAMP;4 WASHER;4 PACKING;1 VALVE;2 SCREW;3 ELBOW;1 ADAPTER;1 BRACKET;1 TUBE ASSY;1 HOSE;1 STRAP
Component Document Origin: GOVERNMENT

Identification

NSN: 4820-01-334-4311
NIIN: 013344311
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 57K0443
Manufacturer: U S Army Tank Automotive Command Amsta-Im-Mm

General Description

The Modification Kit,valve, cataloged under National Stock Number 4820-01-334-4311, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is U S Army Tank Automotive Command Amsta-Im-Mm. Government technical data includes 8 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. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	4820-01-334-4311
Primary Part Number	57K0443
Item Name	Modification Kit,valve
FSC / FSG	4820 / 48 — Valves, Nonpowered
Manufacturer	U S Army Tank Automotive Command Amsta-Im-Mm
Status	ACTIVE
Component Quantity	25
Document Type	MILITARY DRAWING
End Item Source	19207
Component Document Page Number	2
Document Identification	57K0443
Supply Items and Quantities	1 NIPPLE;2 TEE;2 NUT;1 CLAMP;4 WASHER;4 PACKING;1 VALVE;2 SCREW;3 ELBOW;1 ADAPTER;1 BRACKET;1 TUBE ASSY;1 HOSE;1 STRAP
Component Document Origin	GOVERNMENT
Document Source	19207

Lifecycle & Compliance

Acquisition Status	ACTIVE
DEMIL Code	DEMIL A — No Demilitarization Required
Hazard	No hazard code in the DLA record (HMIC N)
Criticality Code	N

Cross-Reference Index

Part Number	Manufacturer
57K0443 PRIMARY	U S Army Tank Automotive Command Amsta-Im-Mm (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 4820-01-334-4311?

NSN 4820-01-334-4311 is a Modification Kit,valve, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-334-4311?

NSN 4820-01-334-4311 has 1 manufacturer part number on file: 57K0443 (U S Army Tank Automotive Command Amsta-Im-Mm).

What are the specifications of 57K0443?

Key specifications for 57K0443: Component Quantity: 25; Document Type: MILITARY DRAWING; End Item Source: 19207; Component Document Page Number: 2. 8 specifications are documented in the U.S. Government catalog.

Is NSN 4820-01-334-4311 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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