PartsTable TECHNICAL DATA SHEET

NSN 4820-01-347-7411Government record, cited

Seat, Valve4820-01-347-7411

NSN 4820-01-347-7411 · NIIN 013477411

FSC 4820 — Valves, Nonpowered · FSG 48 — Valves

Government record, cited

Also searched as 4820-01-347-7411 · 4820013477411 · NIIN 013477411 · 01-347-7411 · FSC 4820 Valves, Nonpowered · 40065-4 PIECE 22 · 40065-4 PART 260-02 · 40065-4

Nearby stock numbers ← 4820-01-347-7313 Valve, Ball · 4820-01-347-7427 Parts Kit, Ball Valve →

4820-01-347-7411 — Valves, Nonpowered

Features

Seat,valve — FSC 4820
Material Document and Classification: QQ-S-763 TY303 COND A FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Material: STEEL CORROSION RESISTING OVERALL
Seating Surface Shape: ANGULAR

Identification

NSN: 4820-01-347-7411
NIIN: 013477411
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves

General Description

The Seat,valve, cataloged under National Stock Number 4820-01-347-7411, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. Government technical data includes 3 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 6 items share a part number with this NSN in the catalog (possible match — not a government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	4820-01-347-7411
Item Name	Seat,valve
FSC / FSG	4820 / 48 — Valves, Nonpowered
Status	ACTIVE
Material Document and Classification	QQ-S-763 TY303 COND A FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Material	STEEL CORROSION RESISTING OVERALL
Seating Surface Shape	ANGULAR

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 6

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

4820-01-347-7517259-02 POSSIBLE MATCH

DISK,VALVE

Possible match (shared part number)Trac Regulator Co., Inc. Dba Trac Regulator Co Inc

4820-01-348-152940065-402 POSSIBLE MATCH

VALVE,REGULATING,TEMPERATURE

Possible match (shared part number)Trac Regulator Co., Inc. Dba Trac Regulator Co Inc

4820-01-433-302440065-404 POSSIBLE MATCH

VALVE,REGULATING,TEMPERATURE

Possible match (shared part number)Trac Regulator Co., Inc. Dba Trac Regulator Co Inc

6515-01-510-1325400.654 POSSIBLE MATCH

SCREW,CENTER DRIVE,EMERGENCY MAX

Possible match (shared part number)Depuy Synthes Sales Inc Dba Depuy Synthes Trauma Div Depuy Synthes Sales, Inc., D/b/a Depuy Synthes Trauma

5140-01-613-7845400654 POSSIBLE MATCH

ROLL,TOOLS AND ACCESSORIES

Possible match (shared part number)Curtiss-Wright Flow Control Service, Llc Dba Engineered Arresting Systems - Esco Div Cw Flow Control Svc Llc Dba

4820-01-687-765140065-403 POSSIBLE MATCH

VALVE,REGULATING,TEMPERATURE

Possible match (shared part number)Trac Regulator Co., Inc. Dba Trac Regulator Co Inc

Cross-Reference Index

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

Reference documents

Reference	Meaning
40065-4 PIECE 22	3/9 Design control — primary reference Trac Regulator Co., Inc. Dba Trac Regulator Co Inc
40065-4 PART 260-02	5/9 Secondary reference Trac Regulator Co., Inc. Dba Trac Regulator Co Inc
40065-4	D/9 Drawing number reference only Trac Regulator Co., Inc. Dba Trac Regulator Co Inc

Related Parts

4820-01-347-7517POSSIBLE MATCH

DISK,VALVE

259-02

4820-01-348-1529POSSIBLE MATCH

VALVE,REGULATING,TEMPERATURE

40065-402

4820-01-433-3024POSSIBLE MATCH

VALVE,REGULATING,TEMPERATURE

40065-404

6515-01-510-1325POSSIBLE MATCH

SCREW,CENTER DRIVE,EMERGENCY MAX

400.654

5140-01-613-7845POSSIBLE MATCH

ROLL,TOOLS AND ACCESSORIES

400654

4820-01-687-7651POSSIBLE MATCH

VALVE,REGULATING,TEMPERATURE

40065-403

Frequently Asked Questions

What is NSN 4820-01-347-7411?

NSN 4820-01-347-7411 is a Seat,valve, classified under FSC 4820, Valves, Nonpowered. Status: active.

What NSN replaces 4820-01-347-7411?

6 possible matches (shared part number, not a government interchangeability claim): 4820-01-347-7517, 4820-01-348-1529, 4820-01-433-3024. Verify interchangeability with system specifications before substitution.

What are the specifications of 4820-01-347-7411?

Key specifications for 4820-01-347-7411: Material Document and Classification: QQ-S-763 TY303 COND A FED SPEC SINGLE MATERIAL RESPONSE OVERALL; End Item Identification: TRAC REGULATOR CO;2 IN.TEMPERATURE REGULATING VALVE;STYLE A IN; Material: STEEL CORROSION RESISTING OVERALL; Seating Surface Shape: ANGULAR. 3 specifications are documented in the U.S. Government catalog.

Is NSN 4820-01-347-7411 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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