Seat, Valve4820-00-671-8459

NSN 4820-00-671-8459 · NIIN 006718459

FSC 4820 — Valves, Nonpowered · FSG 48 — Valves

Government record, cited

Also searched as 4820-00-671-8459 · 4820006718459 · NIIN 006718459 · 00-671-8459 · FSC 4820 Valves, Nonpowered · 15869 · 15869 · 15869

Nearby stock numbers ← 4820-00-671-8429 · 4820-00-671-9398 →

4820-00-671-8459 — Valves, Nonpowered

Features

Seat,valve — FSC 4820
Body Outside Diameter: 0.387 INCHES MINIMUM AND 0.389 INCHES MAXIMUM IN
Surface Treatment: PASSIVATE OVERALL

Identification

NSN: 4820-00-671-8459
NIIN: 006718459
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves

General Description

The Seat,valve, cataloged under National Stock Number 4820-00-671-8459, 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2 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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	4820-00-671-8459
Item Name	Seat,valve
FSC / FSG	4820 / 48 — Valves, Nonpowered
Status	ACTIVE
Body Outside Diameter	0.387 INCHES MINIMUM AND 0.389 INCHES MAXIMUM IN
Surface Treatment	PASSIVATE 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 2

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

2530-01-064-6075 POSSIBLE MATCH

CONNECTOR ASSEMBLY,STEERING

Possible match (shared part number)

8145-01-563-9244773E001 POSSIBLE MATCH

SHIPPING AND STORAGE CONTAINER,A

Possible match (shared part number)Container Research Corp Dba Container Research Corp Div Containr Research Corporation

Cross-Reference Index

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

Reference documents

Reference	Meaning
15869	5/9 Secondary reference Moog Inc Div Moog Inc., Space and Defense - Salt Lake City
15869	5/9 Secondary reference E-Systems Inc Montek Div Fluid Controls Opns
15869	3/2 Design control — primary reference U.S. Government activity

Related Parts

2530-01-064-6075POSSIBLE MATCH

CONNECTOR ASSEMBLY,STEERING

8145-01-563-9244POSSIBLE MATCH

SHIPPING AND STORAGE CONTAINER,A

773E001

Frequently Asked Questions

What is NSN 4820-00-671-8459?

NSN 4820-00-671-8459 is a Seat,valve, classified under FSC 4820, Valves, Nonpowered. Status: active.

What NSN replaces 4820-00-671-8459?

2 possible matches (shared part number, not a government interchangeability claim): 2530-01-064-6075, 8145-01-563-9244. Verify interchangeability with system specifications before substitution.

What are the specifications of 4820-00-671-8459?

Key specifications for 4820-00-671-8459: Overall Height: 0.234 INCHES MINIMUM AND 0.236 INCHES MAXIMUM IN; Body Outside Diameter: 0.387 INCHES MINIMUM AND 0.389 INCHES MAXIMUM IN; Surface Treatment: PASSIVATE OVERALL. 2 specifications are documented in the U.S. Government catalog.

Is NSN 4820-00-671-8459 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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