PartsTable TECHNICAL DATA SHEET

NSN 4820-01-207-1141Government record, cited

Stem, Fluid Valve4820-01-207-1141

NSN 4820-01-207-1141 · NIIN 012071141 · Part number 255753 PIECE 40

Huntington Ingalls Inc Div Newport News Shipbuilding · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 43689

Government record, cited

NSN 4820-01-207-1141 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-207-1141. Manufacturer of record part number: 255753 PIECE 40.

Also searched as 4820-01-207-1141 · 4820012071141 · NIIN 012071141 · 01-207-1141 · FSC 4820 Valves, Nonpowered · CAGE 43689 · 255753 PIECE 40 · 255753

Nearby stock numbers ← 4820-01-207-1140 Stem, Fluid Valve · 4820-01-207-1142 Stem, Fluid Valve →

4820-01-207-1141 — Valves, Nonpowered

Features

Stem,fluid Valve — FSC 4820
1 manufacturer part number on file
Manufacturer of record: Huntington Ingalls Inc Div Newport News Shipbuilding

Identification

NSN: 4820-01-207-1141
NIIN: 012071141
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 255753 PIECE 40
Manufacturer: Huntington Ingalls Inc Div Newport News Shipbuilding

General Description

The Stem,fluid Valve, cataloged under National Stock Number 4820-01-207-1141, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Huntington Ingalls Inc Div Newport News Shipbuilding. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 8 items share a part number with this NSN in the catalog (possible match — not a government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	4820-01-207-1141
Primary Part Number	255753 PIECE 40
Item Name	Stem,fluid Valve
FSC / FSG	4820 / 48 — Valves, Nonpowered
Manufacturer	Huntington Ingalls Inc Div Newport News Shipbuilding
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

⇄ Related Items 8

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

4820-01-211-8461255753 PIECE 6 AND 11 POSSIBLE MATCH

PARTS KIT,BALL VALVE

Possible match (shared part number)Huntington Ingalls Inc Div Newport News Shipbuilding

4820-01-217-0162255751 PIECE 39 POSSIBLE MATCH

STEM,FLUID VALVE

Possible match (shared part number)Huntington Ingalls Inc Div Newport News Shipbuilding

4820-01-220-8305255753 PIECE 4,10 POSSIBLE MATCH

PARTS KIT,BALL VALVE

Possible match (shared part number)Huntington Ingalls Inc Div Newport News Shipbuilding

4820-01-220-8306255753 PIECE 2,8 POSSIBLE MATCH

PARTS KIT,BALL VALVE

Possible match (shared part number)Huntington Ingalls Inc Div Newport News Shipbuilding

4820-01-222-0256255753 PIECE 15 POSSIBLE MATCH

SEAT,VALVE

Possible match (shared part number)Huntington Ingalls Inc Div Newport News Shipbuilding

4820-01-233-3466255753 PIECE 3 POSSIBLE MATCH

BALL,VALVE,PORTED

Possible match (shared part number)Huntington Ingalls Inc Div Newport News Shipbuilding

4820-01-233-4877255753 PIECE 5 POSSIBLE MATCH

BALL,VALVE,PORTED

Possible match (shared part number)Huntington Ingalls Inc Div Newport News Shipbuilding

4820-01-233-4878255753 PIECE 1 POSSIBLE MATCH

BALL,VALVE,PORTED

Possible match (shared part number)Huntington Ingalls Inc Div Newport News Shipbuilding

Cross-Reference Index

Part Number	Manufacturer
255753 PIECE 40 PRIMARY	Huntington Ingalls Inc Div Newport News Shipbuilding (USA)

Reference documents

Reference	Meaning
255753	D/9 Drawing number reference only Huntington Ingalls Inc Div Newport News Shipbuilding

Related Parts

4820-01-211-8461POSSIBLE MATCH

PARTS KIT,BALL VALVE

255753 PIECE 6 AND 11

4820-01-217-0162POSSIBLE MATCH

STEM,FLUID VALVE

255751 PIECE 39

4820-01-220-8305POSSIBLE MATCH

PARTS KIT,BALL VALVE

255753 PIECE 4,10

4820-01-220-8306POSSIBLE MATCH

PARTS KIT,BALL VALVE

255753 PIECE 2,8

4820-01-222-0256POSSIBLE MATCH

SEAT,VALVE

255753 PIECE 15

4820-01-233-3466POSSIBLE MATCH

BALL,VALVE,PORTED

255753 PIECE 3

4820-01-233-4877POSSIBLE MATCH

BALL,VALVE,PORTED

255753 PIECE 5

4820-01-233-4878POSSIBLE MATCH

BALL,VALVE,PORTED

255753 PIECE 1

Frequently Asked Questions

What is NSN 4820-01-207-1141?

NSN 4820-01-207-1141 is a Stem,fluid Valve, manufactured by Huntington Ingalls Inc Div Newport News Shipbuilding, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-207-1141?

NSN 4820-01-207-1141 has 1 manufacturer part number on file: 255753 PIECE 40 (Huntington Ingalls Inc Div Newport News Shipbuilding).

What NSN replaces 4820-01-207-1141?

8 possible matches (shared part number, not a government interchangeability claim): 4820-01-211-8461, 4820-01-217-0162, 4820-01-220-8305. Verify interchangeability with system specifications before substitution.

What are the specifications of 255753 PIECE 40?

Key specifications for 255753 PIECE 40: Special Features: MATERIAL ALUMINUM BRONZE; 4.594 IN. LENGTH; 0.870 IN. OUTSIDE DIA; 0.562 IN. INSIDE DIA; 0.375 -16 UNC 2A THREAD A. 0 specifications are documented in the U.S. Government catalog.

Is NSN 4820-01-207-1141 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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