Seat, Valve4820-01-626-2980

NSN 4820-01-626-2980 · NIIN 016262980

FSC 4820 — Valves, Nonpowered · FSG 48 — Valves

Government record, cited

Also searched as 4820-01-626-2980 · 4820016262980 · NIIN 016262980 · 01-626-2980 · FSC 4820 Valves, Nonpowered · 206490-01K · 206503 ITEM NO. 2-22 · 206503

Nearby stock numbers ← 4820-01-626-2923 Divider, Valve Flow · 4820-01-626-3388 Valve, Diaphragm, Stop →

4820-01-626-2980 — Valves, Nonpowered

Features

Seat,valve — FSC 4820
Material Document and Classification: GMIL-R-834248 CL1/ASTM-B-15 MIL SPEC ALL MATERIAL RESPONSES OVERALL
Material: COPPER ALLOY OVERALL

Identification

NSN: 4820-01-626-2980
NIIN: 016262980
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves

General Description

The Seat,valve, cataloged under National Stock Number 4820-01-626-2980, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. Government technical data includes 2 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	4820-01-626-2980
Item Name	Seat,valve
FSC / FSG	4820 / 48 — Valves, Nonpowered
Status	ACTIVE
Material Document and Classification	GMIL-R-834248 CL1/ASTM-B-15 MIL SPEC ALL MATERIAL RESPONSES OVERALL
Material	COPPER ALLOY OVERALL

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

⇄ Related Items 1

Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.

4810-01-626-8924206503-01E POSSIBLE MATCH

VALVE,LINEAR,DIRECTIONAL CONTROL

Possible match (shared part number)Griswold Industries Dba Cla-Val Co

Cross-Reference Index

No manufacturer part numbers on file in the U.S. Government catalog.

Reference documents

Reference	Meaning
206490-01K	3/2 Design control — primary reference U.S. Government activity
206503 ITEM NO. 2-22	5/2 Secondary reference U.S. Government activity
206503	D/9 Drawing number reference only U.S. Government activity

Related Parts

4810-01-626-8924POSSIBLE MATCH

VALVE,LINEAR,DIRECTIONAL CONTROL

206503-01E

Frequently Asked Questions

What is NSN 4820-01-626-2980?

NSN 4820-01-626-2980 is a Seat,valve, classified under FSC 4820, Valves, Nonpowered. Status: active.

What NSN replaces 4820-01-626-2980?

1 possible match (shared part number, not a government interchangeability claim): 4810-01-626-8924. Verify interchangeability with system specifications before substitution.

What are the specifications of 4820-01-626-2980?

Key specifications for 4820-01-626-2980: Material Document and Classification: GMIL-R-834248 CL1/ASTM-B-15 MIL SPEC ALL MATERIAL RESPONSES OVERALL; Part Name Assigned by Controlling Agency: SUPPLY SEAT-ASSY; End Item Identification: VAVLE ACTUATOR.; Material: COPPER ALLOY OVERALL. 2 specifications are documented in the U.S. Government catalog.

Is NSN 4820-01-626-2980 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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