PartsTable TECHNICAL DATA SHEET

NSN 4820-01-143-4272Government record, cited

Seat, Valve4820-01-143-4272

NSN 4820-01-143-4272 · NIIN 011434272

FSC 4820 — Valves, Nonpowered · FSG 48 — Valves

Government record, cited

Also searched as 4820-01-143-4272 · 4820011434272 · NIIN 011434272 · 01-143-4272 · FSC 4820 Valves, Nonpowered · 9942 · D15-745-K PC 286

Nearby stock numbers ← 4820-01-143-4261 Valve, Safety Relief · 4820-01-143-4273 Seat, Valve →

4820-01-143-4272 — Valves, Nonpowered

Features

Seat,valve — FSC 4820

Identification

NSN: 4820-01-143-4272
NIIN: 011434272
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves

General Description

The Seat,valve, cataloged under National Stock Number 4820-01-143-4272, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.

Catalog Facts

Item Name	Seat,valve
FSC / FSG	4820 — Valves, Nonpowered (FSG 48)

Technical Specifications

Parameter	Value
NSN	4820-01-143-4272
Item Name	Seat,valve
FSC / FSG	4820 / 48 — Valves, Nonpowered
Status	ACTIVE

Lifecycle & Compliance

Acquisition Status	ACTIVE
DEMIL Code	DEMIL A — No Demilitarization Required
Hazard	No hazard code in the DLA record (HMIC N)

⇄ Related Items 3

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

5915-01-204-5121994-2 POSSIBLE MATCH

FILTER,BAND PASS

Possible match (shared part number)Frequency Selective Networks, Inc. Dba Frequency Selective Networks Inc

6515-01-334-33449942 POSSIBLE MATCH

BLADE,ARTHROSCOPIC,SURGICAL

Possible match (shared part number)Linvatec Corporation Div Linvatec

5995-01-622-41079942 060100 POSSIBLE MATCH

CABLE ASSEMBLY,SPECIAL PURPOSE,E

Possible match (shared part number)Belden Wire and Cable Co Wire and Cable Office

Cross-Reference Index

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

Reference documents

Reference	Meaning
9942	3/2 Design control — primary reference U.S. Government activity
D15-745-K PC 286	3/2 Design control — primary reference U.S. Government activity

Related Parts

5915-01-204-5121POSSIBLE MATCH

FILTER,BAND PASS

994-2

6515-01-334-3344POSSIBLE MATCH

BLADE,ARTHROSCOPIC,SURGICAL

9942

5995-01-622-4107POSSIBLE MATCH

CABLE ASSEMBLY,SPECIAL PURPOSE,E

9942 060100

Frequently Asked Questions

What is NSN 4820-01-143-4272?

NSN 4820-01-143-4272 is a Seat,valve, classified under FSC 4820, Valves, Nonpowered. Status: active.

What NSN replaces 4820-01-143-4272?

3 possible matches (shared part number, not a government interchangeability claim): 5915-01-204-5121, 6515-01-334-3344, 5995-01-622-4107. Verify interchangeability with system specifications before substitution.

Is NSN 4820-01-143-4272 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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