PartsTable TECHNICAL DATA SHEET

NSN 4820-01-540-1317Government record, cited

Valve, Vacuum Breaking4820-01-540-1317

NSN 4820-01-540-1317 · NIIN 015401317 · Part number P525956

Donaldson Company, Inc. · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 18265

Government record, cited

NSN 4820-01-540-1317 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-540-1317. Manufacturer of record part number: P525956.

Also searched as 4820-01-540-1317 · 4820015401317 · NIIN 015401317 · 01-540-1317 · FSC 4820 Valves, Nonpowered · CAGE 18265 · P525956 · 12486573 · 3825278 · 3825278

Nearby stock numbers ← 4820-01-540-1286 Valve, Globe · 4820-01-540-1320 Valve, Globe →

4820-01-540-1317 — Valves, Nonpowered

Features

Valve,vacuum Breaking — FSC 4820
2 manufacturer part numbers on file
Manufacturer of record: Donaldson Company, Inc.

Identification

NSN: 4820-01-540-1317
NIIN: 015401317
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: P525956
Manufacturer: Donaldson Company, Inc.

General Description

The Valve,vacuum Breaking, cataloged under National Stock Number 4820-01-540-1317, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Donaldson Company, Inc.. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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.

Catalog Facts

Item Name	Valve,vacuum Breaking
FSC / FSG	4820 — Valves, Nonpowered (FSG 48)
Manufacturers	Oshkosh Defense Llc (CAGE 75Q65); Donaldson Company, Inc. (CAGE 18265)

Technical Specifications

Parameter	Value
NSN	4820-01-540-1317
Primary Part Number	P525956
Item Name	Valve,vacuum Breaking
FSC / FSG	4820 / 48 — Valves, Nonpowered
Manufacturer	Donaldson Company, Inc.
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
3825278	Oshkosh Defense Llc (USA)
P525956 PRIMARY	Donaldson Company, Inc. (USA)

Reference documents

Reference	Meaning
12486573	7/2 Vendor item drawing reference U S Army Tank Automotive Command Amsta-Im-Mm
3825278	5/9 Secondary reference Oshkosh Corp

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 4820-01-540-1317?

NSN 4820-01-540-1317 is a Valve,vacuum Breaking, manufactured by Donaldson Company, Inc., classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-540-1317?

NSN 4820-01-540-1317 has 2 manufacturer part numbers on file: 3825278 (Oshkosh Defense Llc), P525956 (Donaldson Company, Inc.).

Is NSN 4820-01-540-1317 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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