PartsTable TECHNICAL DATA SHEET

NSN 4820-01-347-7517Government record, cited

Disk, Valve4820-01-347-7517

NSN 4820-01-347-7517 · NIIN 013477517 · Part number 259-02

Trac Regulator Co., Inc. Dba Trac Regulator Co Inc · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 55378

Government record, cited

NSN 4820-01-347-7517 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-347-7517. Manufacturer of record part number: 259-02.

Also searched as 4820-01-347-7517 · 4820013477517 · NIIN 013477517 · 01-347-7517 · FSC 4820 Valves, Nonpowered · CAGE 55378 · 259-02 · 40065-4 PART 259-02 · 40065-5 PIECE 25 · 40065-4

Nearby stock numbers ← 4820-01-347-7516 Disk, Valve · 4820-01-347-7585 Torque, Valve →

4820-01-347-7517 — Valves, Nonpowered

Features

Disk,valve — FSC 4820
Material Document and Classification: QQ-S-763, CLASS 303, COND A FED SPEC SINGLE MATERIAL RESPONSE
Material: STEEL COMP 303
1 manufacturer part number on file
Manufacturer of record: Trac Regulator Co., Inc. Dba Trac Regulator Co Inc

Identification

NSN: 4820-01-347-7517
NIIN: 013477517
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 259-02
Manufacturer: Trac Regulator Co., Inc. Dba Trac Regulator Co Inc

General Description

The Disk,valve, cataloged under National Stock Number 4820-01-347-7517, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Trac Regulator Co., Inc. Dba Trac Regulator Co Inc. Government technical data includes 2 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 5 items share a part number with this NSN in the catalog (possible match — not a government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	4820-01-347-7517
Primary Part Number	259-02
Item Name	Disk,valve
FSC / FSG	4820 / 48 — Valves, Nonpowered
Manufacturer	Trac Regulator Co., Inc. Dba Trac Regulator Co Inc
Status	ACTIVE
Material Document and Classification	QQ-S-763, CLASS 303, COND A FED SPEC SINGLE MATERIAL RESPONSE
Material	STEEL COMP 303

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 5

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

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

Part Number	Manufacturer
259-02 PRIMARY	Trac Regulator Co., Inc. Dba Trac Regulator Co Inc (USA)

Reference documents

Reference	Meaning
40065-4 PART 259-02	5/9 Secondary reference Trac Regulator Co., Inc. Dba Trac Regulator Co Inc
40065-5 PIECE 25	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

4820-01-348-1529POSSIBLE 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 4820-01-347-7517?

NSN 4820-01-347-7517 is a Disk,valve, manufactured by Trac Regulator Co., Inc. Dba Trac Regulator Co Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-347-7517?

NSN 4820-01-347-7517 has 1 manufacturer part number on file: 259-02 (Trac Regulator Co., Inc. Dba Trac Regulator Co Inc).

What NSN replaces 4820-01-347-7517?

5 possible matches (shared part number, not a government interchangeability claim): 4820-01-348-1529, 4820-01-433-3024, 6515-01-510-1325. Verify interchangeability with system specifications before substitution.

What are the specifications of 259-02?

Key specifications for 259-02: Material Document and Classification: QQ-S-763, CLASS 303, COND A FED SPEC SINGLE MATERIAL RESPONSE; End Item Identification: TRAC REGULATOR CO;REGULATING TEMPERATURE VALVE;STYLE A; Material: STEEL COMP 303. 2 specifications are documented in the U.S. Government catalog.

Is NSN 4820-01-347-7517 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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