Cover Plate, Valve4820-01-540-5975

NSN 4820-01-540-5975 · NIIN 015405975 · Part number 12486817

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

Government record, cited

NSN 4820-01-540-5975 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-540-5975. Manufacturer of record part number: 12486817.

Also searched as 4820-01-540-5975 · 4820015405975 · NIIN 015405975 · 01-540-5975 · FSC 4820 Valves, Nonpowered · CAGE 19207 · 12486817

Nearby stock numbers ← 4820-01-540-5904 Valve, Butterfly · 4820-01-540-6039 Body, Valve →

4820-01-540-5975 — Valves, Nonpowered

Features

Cover Plate,valve — FSC 4820
Material: STEEL
1 manufacturer part number on file
Manufacturer of record: U S Army Tank Automotive Command Amsta-Im-Mm

Identification

NSN: 4820-01-540-5975
NIIN: 015405975
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 12486817
Manufacturer: U S Army Tank Automotive Command Amsta-Im-Mm

General Description

The Cover Plate,valve, cataloged under National Stock Number 4820-01-540-5975, 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 1 specification, 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	4820-01-540-5975
Primary Part Number	12486817
Item Name	Cover Plate,valve
FSC / FSG	4820 / 48 — Valves, Nonpowered
Manufacturer	U S Army Tank Automotive Command Amsta-Im-Mm
Status	ACTIVE
Material	STEEL

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
12486817 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 4820-01-540-5975?

NSN 4820-01-540-5975 is a Cover Plate,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 4820-01-540-5975?

NSN 4820-01-540-5975 has 1 manufacturer part number on file: 12486817 (U S Army Tank Automotive Command Amsta-Im-Mm).

What are the specifications of 12486817?

Key specifications for 12486817: Overall Height: 3.000 INCHES NOMINAL IN; Overall Length: 13.800 INCHES NOMINAL IN; Overall Width: 3.880 INCHES NOMINAL IN; Part Name Assigned by Controlling Agency: COWER WLDMT, SAFETY VALVE. 1 specification is documented in the U.S. Government catalog.

Is NSN 4820-01-540-5975 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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