Valve, Ball4820-01-477-4258

NSN 4820-01-477-4258 · NIIN 014774258 · Part number 3555FTR-EBW-100

Richards Industries Value Group Marwin Ball Value Div · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 8T690

Government record, cited

NSN 4820-01-477-4258 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-477-4258. Manufacturer of record part number: 3555FTR-EBW-100.

Also searched as 4820-01-477-4258 · 4820014774258 · NIIN 014774258 · 01-477-4258 · FSC 4820 Valves, Nonpowered · CAGE 8T690 · 3555FTR-EBW-100

Nearby stock numbers ← 4820-01-477-4257 Valve, Ball · 4820-01-477-4259 Parts Kit, Ball Valve →

4820-01-477-4258 — Valves, Nonpowered

Features

Valve,ball — FSC 4820
Style Designator: STRAIGHT THRU FLANGED ENDS
Valve Size: 1.000 INCHES IN
Face to Face Distance: 6.500 INCHES IN
Material: NICKEL ALLOY STEM
Material: PLASTIC SEAT
Material: NICKEL ALLOY BODY
Valve Operation Method: MANUAL

Identification

NSN: 4820-01-477-4258
NIIN: 014774258
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 3555FTR-EBW-100
Manufacturer: Richards Industries Value Group Marwin Ball Value Div

General Description

The Valve,ball, cataloged under National Stock Number 4820-01-477-4258, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Richards Industries Value Group Marwin Ball Value Div. Government technical data includes 7 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. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	4820-01-477-4258
Primary Part Number	3555FTR-EBW-100
Item Name	Valve,ball
FSC / FSG	4820 / 48 — Valves, Nonpowered
Manufacturer	Richards Industries Value Group Marwin Ball Value Div
Status	ACTIVE
Style Designator	STRAIGHT THRU FLANGED ENDS
Valve Size	1.000 INCHES IN
Face to Face Distance	6.500 INCHES IN
Material	NICKEL ALLOY STEM
Material	PLASTIC SEAT
Material	NICKEL ALLOY BODY
Valve Operation Method	MANUAL

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
3555FTR-EBW-100 PRIMARY	Richards Industries Value Group Marwin Ball Value Div (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 4820-01-477-4258?

NSN 4820-01-477-4258 is a Valve,ball, manufactured by Richards Industries Value Group Marwin Ball Value Div, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-477-4258?

NSN 4820-01-477-4258 has 1 manufacturer part number on file: 3555FTR-EBW-100 (Richards Industries Value Group Marwin Ball Value Div).

What are the specifications of 3555FTR-EBW-100?

Key specifications for 3555FTR-EBW-100: Style Designator: STRAIGHT THRU FLANGED ENDS; Valve Size: 1.000 INCHES IN; Special Features: MAXIMUM PRESSURE: 2300 W.O.G.; MATERIAL: MONEL BODY, MONEL STEM, MONEL BALL, DELRIN SEAT, VITON SEAL AND STAINLESS B8 BOLTS W; Face to Face Distance: 6.500 INCHES IN. 7 specifications are documented in the U.S. Government catalog.

Is NSN 4820-01-477-4258 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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