PartsTable TECHNICAL DATA SHEET

NSN 4820-01-103-3329Government record, cited

Stop, Actuator4820-01-103-3329

NSN 4820-01-103-3329 · NIIN 011033329

FSC 4820 — Valves, Nonpowered · FSG 48 — Valves

Government record, cited

Also searched as 4820-01-103-3329 · 4820011033329 · NIIN 011033329 · 01-103-3329 · FSC 4820 Valves, Nonpowered · 810-4385049-X-029 · 810-4385049 · 810-4384678 · 810-4385049-B-029 · 810-4385049 ITEM 29

Nearby stock numbers ← 4820-01-103-3328 · 4820-01-103-3330 Cap, Connecting Rod →

4820-01-103-3329 — Valves, Nonpowered

Features

Stop,actuator — FSC 4820
General Characteristics Item Description: 3.000 IN.DIA; 10 SPLINES 1.505 IN.ID,1.750 IN.OD; SLOT WIDTH 0.273 IN IN

Identification

NSN: 4820-01-103-3329
NIIN: 011033329
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves

General Description

The Stop,actuator, cataloged under National Stock Number 4820-01-103-3329, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. Government technical data includes 1 specification, cited from the U.S. Government catalog. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 8 items share a part number with this NSN in the catalog (possible match — not a government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	4820-01-103-3329
Item Name	Stop,actuator
FSC / FSG	4820 / 48 — Valves, Nonpowered
Status	ACTIVE
General Characteristics Item Description	3.000 IN.DIA; 10 SPLINES 1.505 IN.ID,1.750 IN.OD; SLOT WIDTH 0.273 IN IN

Lifecycle & Compliance

Acquisition Status	ACTIVE
DEMIL Code	DEMIL Q — CCL Item — Commerce Control List
Hazard	No hazard code in the DLA record (HMIC N)
Criticality Code	X

⇄ Related Items 8

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

4820-01-103-3330810-4385049-X-053 POSSIBLE MATCH

CAP,CONNECTING ROD

Possible match (shared part number)Naval Ship Systems Command

4820-01-103-3331803-4385049-X-034 POSSIBLE MATCH

RETAINER,DOWEL

Possible match (shared part number)Naval Ship Systems Command

4820-01-103-3385810-4385049-X-012 POSSIBLE MATCH

CAP,VALVE

Possible match (shared part number)Naval Ship Systems Command

4820-01-103-3436810-4385049-X-037 POSSIBLE MATCH

DISK,VALVE

Possible match (shared part number)Naval Ship Systems Command

4820-01-111-5698803-4385049-X-095 POSSIBLE MATCH

RETAINER,DOWEL

Possible match (shared part number)Naval Ship Systems Command

4810-01-113-3738810-4385049-B-054 POSSIBLE MATCH

CRANKSHAFT,VALVE

Possible match (shared part number)Naval Ship Systems Command

4810-01-113-4202810-4385049-B-020 POSSIBLE MATCH

LINK,ADJUSTING

Possible match (shared part number)Naval Ship Systems Command

4810-01-113-5381810-4385049-X-048 POSSIBLE MATCH

STEM,FLUID VALVE

Possible match (shared part number)Naval Ship Systems Command

Cross-Reference Index

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

Reference documents

Reference	Meaning
810-4385049-X-029	5/2 Secondary reference U.S. Government activity
810-4385049	D/9 Drawing number reference only U.S. Government activity
810-4384678	5/2 Secondary reference U.S. Government activity
810-4385049-B-029	5/9 Secondary reference U.S. Government activity
810-4385049 ITEM 29	3/2 Design control — primary reference U.S. Government activity

Related Parts

4820-01-103-3330POSSIBLE MATCH

CAP,CONNECTING ROD

810-4385049-X-053

4820-01-103-3331POSSIBLE MATCH

RETAINER,DOWEL

803-4385049-X-034

4820-01-103-3385POSSIBLE MATCH

CAP,VALVE

810-4385049-X-012

4820-01-103-3436POSSIBLE MATCH

DISK,VALVE

810-4385049-X-037

4820-01-111-5698POSSIBLE MATCH

RETAINER,DOWEL

803-4385049-X-095

4810-01-113-3738POSSIBLE MATCH

CRANKSHAFT,VALVE

810-4385049-B-054

4810-01-113-4202POSSIBLE MATCH

LINK,ADJUSTING

810-4385049-B-020

4810-01-113-5381POSSIBLE MATCH

STEM,FLUID VALVE

810-4385049-X-048

Frequently Asked Questions

What is NSN 4820-01-103-3329?

NSN 4820-01-103-3329 is a Stop,actuator, classified under FSC 4820, Valves, Nonpowered. Status: active.

What NSN replaces 4820-01-103-3329?

8 possible matches (shared part number, not a government interchangeability claim): 4820-01-103-3330, 4820-01-103-3331, 4820-01-103-3385. Verify interchangeability with system specifications before substitution.

What are the specifications of 4820-01-103-3329?

Key specifications for 4820-01-103-3329: General Characteristics Item Description: 3.000 IN.DIA; 10 SPLINES 1.505 IN.ID,1.750 IN.OD; SLOT WIDTH 0.273 IN IN. 1 specification is documented in the U.S. Government catalog.

Is NSN 4820-01-103-3329 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.

What is the DEMIL code for NSN 4820-01-103-3329?

NSN 4820-01-103-3329 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.

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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