Cap, Valve4820-01-499-5349

NSN 4820-01-499-5349 · NIIN 014995349 · Part number 7254450

L3 Technologies, Inc. Div L3 Keo · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 34228

Government record, cited

NSN 4820-01-499-5349 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-499-5349. Manufacturer of record part number: 7254450.

Also searched as 4820-01-499-5349 · 4820014995349 · NIIN 014995349 · 01-499-5349 · FSC 4820 Valves, Nonpowered · CAGE 34228 · 7254450

Nearby stock numbers ← 4820-01-499-5136 Valve, Check · 4820-01-499-5534 Valve, Butterfly →

4820-01-499-5349 — Valves, Nonpowered

Features

Cap,valve — FSC 4820
Material: NICKEL ALLOY
Attachment Method: THREADED
2 manufacturer part numbers on file
Manufacturer of record: L3 Technologies, Inc. Div L3 Keo

Identification

NSN: 4820-01-499-5349
NIIN: 014995349
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 7254450
Manufacturer: L3 Technologies, Inc. Div L3 Keo

General Description

The Cap,valve, cataloged under National Stock Number 4820-01-499-5349, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is L3 Technologies, Inc. Div L3 Keo. Government technical data includes 2 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	4820-01-499-5349
Primary Part Number	7254450
Item Name	Cap,valve
FSC / FSG	4820 / 48 — Valves, Nonpowered
Manufacturer	L3 Technologies, Inc. Div L3 Keo
Status	ACTIVE
Material	NICKEL ALLOY
Attachment Method	THREADED

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
7254450	Naval Sea Systems Command (USA)
7254450 PRIMARY	L3 Technologies, Inc. Div L3 Keo (USA)

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 4820-01-499-5349?

NSN 4820-01-499-5349 is a Cap,valve, manufactured by L3 Technologies, Inc. Div L3 Keo, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-499-5349?

NSN 4820-01-499-5349 has 2 manufacturer part numbers on file: 7254450 (Naval Sea Systems Command), 7254450 (L3 Technologies, Inc. Div L3 Keo).

What are the specifications of 7254450?

Key specifications for 7254450: Overall Length: 0.400 INCHES NOMINAL IN; End Item Identification: PHOTONICS MAST, SENSOR UNIT(LOS ANGELES CLASS SSN 688); Material: NICKEL ALLOY; Attachment Method: THREADED. 2 specifications are documented in the U.S. Government catalog.

Is NSN 4820-01-499-5349 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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