PartsTable TECHNICAL DATA SHEET

NSN 4820-00-383-6503Government record, cited

Seat, Valve4820-00-383-6503

NSN 4820-00-383-6503 · NIIN 003836503 · Part number 1336957

General Electric Company · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 01289

Government record, cited

NSN 4820-00-383-6503 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-383-6503. Manufacturer of record part number: 1336957.

Also searched as 4820-00-383-6503 · 4820003836503 · NIIN 003836503 · 00-383-6503 · FSC 4820 Valves, Nonpowered · CAGE 01289 · 1336957 · WW8454211SH1PC428 · WW6681511PC428

Nearby stock numbers ← 4820-00-383-6485 · 4820-00-383-6507 Valve, Flow Control →

4820-00-383-6503 — Valves, Nonpowered

Features

Seat,valve — FSC 4820
1 manufacturer part number on file
Manufacturer of record: General Electric Company

Identification

NSN: 4820-00-383-6503
NIIN: 003836503
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 1336957
Manufacturer: General Electric Company

General Description

The Seat,valve, cataloged under National Stock Number 4820-00-383-6503, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is General Electric Company. 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	4820-00-383-6503
Primary Part Number	1336957
Item Name	Seat,valve
FSC / FSG	4820 / 48 — Valves, Nonpowered
Manufacturer	General Electric Company
Status	ACTIVE

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

Cross-Reference Index

Part Number	Manufacturer
1336957 PRIMARY	General Electric Company (USA)

Reference documents

Reference	Meaning
1336957	5/9 Secondary reference General Electric Company
WW8454211SH1PC428	5/9 Secondary reference General Electric Company
WW6681511PC428	5/9 Secondary reference General Electric Company

No interchangeability data on file.

Other items in FSC 4820 — Valves, Nonpowered

Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.

4820-00-000-0097

4820-00-000-0097 · Item name not on file

4820-00-001-0010

VALVE,ROTARY,SELECTOR

4820-00-001-0020

4820-00-001-0020 · Item name not on file

4820-00-001-0021

4820-00-001-0021 · Item name not on file

4820-00-001-0032

4820-00-001-0032 · Item name not on file

4820-00-001-0037

VALVE,SAFETY RELIEF

4820-00-001-0042

4820-00-001-0042 · Item name not on file

4820-00-001-1230

4820-00-001-1230 · Item name not on file

Frequently Asked Questions

What is NSN 4820-00-383-6503?

NSN 4820-00-383-6503 is a Seat,valve, manufactured by General Electric Company, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-00-383-6503?

NSN 4820-00-383-6503 has 1 manufacturer part number on file: 1336957 (General Electric Company).

What are the specifications of 1336957?

Key specifications for 1336957: Special Features: FOR HAND VALVE. 0 specifications are documented in the U.S. Government catalog.

Is NSN 4820-00-383-6503 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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