NSN 4820-01-622-6261 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-622-6261. Manufacturer of record part number: 2057T.75.
Also searched as4820-01-622-6261 ·
4820016226261 ·
NIIN 016226261 ·
01-622-6261 ·
FSC 4820 Valves, Nonpowered · CAGE 6J746 · 2057T.75
Material Document and Classification: BRONZE MFR REF SINGLE MATERIAL RESPONSE BODY
Disk Loading Method: SPRING
Material: COPPER ALLOY BODY
Valve Operation Method: AUTOMATIC
1 manufacturer part number on file
Manufacturer of record: Ay Mcdonald Corp
Identification
NSN: 4820-01-622-6261
NIIN: 016226261
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 2057T.75
Manufacturer: Ay Mcdonald Corp
General Description
The Valve,check, cataloged under National Stock Number 4820-01-622-6261, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Ay Mcdonald Corp. Government technical data includes 5 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.
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
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4820-00-001-0020 · Item name not on file
4820-00-001-0021
4820-00-001-0021 · Item name not on file
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4820-00-001-0032 · Item name not on file
4820-00-001-0037
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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 4820-01-622-6261?
NSN 4820-01-622-6261 is a Valve,check, manufactured by Ay Mcdonald Corp, classified under FSC 4820, Valves, Nonpowered. Status: active.
What part numbers are listed for NSN 4820-01-622-6261?
NSN 4820-01-622-6261 has 1 manufacturer part number on file: 2057T.75 (Ay Mcdonald Corp).
What are the specifications of 2057T.75?
Key specifications for 2057T.75: Style Designator: STRAIGHT THRU; Material Document and Classification: BRONZE MFR REF SINGLE MATERIAL RESPONSE BODY; Disk Loading Method: SPRING; Special Features: CMS DATA ID 3762 PCCN SE0241 PLISN A020; NEXT HIGHER ASSEMBLY OILY WATER SEPARATOR, P/N BOSS 2.2T-107-YM. 5 specifications are documented in the U.S. Government catalog.
Is NSN 4820-01-622-6261 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.