PartsTable TECHNICAL DATA SHEET

NSN 4820-01-451-8840Government record, cited

Repair Kit, Valve4820-01-451-8840

NSN 4820-01-451-8840 · NIIN 014518840 · Part number 001959-1

Flow Intl Corp Div of Flow Industries Inc · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 7U188

Government record, cited

NSN 4820-01-451-8840 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-451-8840. Manufacturer of record part number: 001959-1.

Also searched as 4820-01-451-8840 · 4820014518840 · NIIN 014518840 · 01-451-8840 · FSC 4820 Valves, Nonpowered · CAGE 7U188 · 001959-1 · MODEL GXB-1000-WI SERIAL NO.8187

Nearby stock numbers ← 4820-01-451-8798 · 4820-01-451-8858 Valve, Globe →

4820-01-451-8840 — Valves, Nonpowered

Features

Repair Kit,valve — FSC 4820
1 manufacturer part number on file
Manufacturer of record: Flow Intl Corp Div of Flow Industries Inc

Identification

NSN: 4820-01-451-8840
NIIN: 014518840
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 001959-1
Manufacturer: Flow Intl Corp Div of Flow Industries Inc

General Description

The Repair Kit,valve, cataloged under National Stock Number 4820-01-451-8840, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Flow Intl Corp Div of Flow Industries Inc. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	4820-01-451-8840
Primary Part Number	001959-1
Item Name	Repair Kit,valve
FSC / FSG	4820 / 48 — Valves, Nonpowered
Manufacturer	Flow Intl Corp Div of Flow Industries Inc
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
001959-1 PRIMARY	Flow Intl Corp Div of Flow Industries Inc (USA)

Reference documents

Reference	Meaning
MODEL GXB-1000-WI SERIAL NO.8187	5/1 Secondary reference Flow Intl Corp Div of Flow Industries Inc

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 4820-01-451-8840?

NSN 4820-01-451-8840 is a Repair Kit,valve, manufactured by Flow Intl Corp Div of Flow Industries Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-451-8840?

NSN 4820-01-451-8840 has 1 manufacturer part number on file: 001959-1 (Flow Intl Corp Div of Flow Industries Inc).

What are the specifications of 001959-1?

Key specifications for 001959-1: Special Features: FOR OFF/ON VALVE, WATER KNIFE METAL CUTTER, CONSISTS OF 1.006933-1 SEAT; POPET, 1.006934-1 POPPET; H.P. VALVE, 1.001328-1 SEAL; HIGH PRESSURE VALVE, 1.001337-1 RING; SEAL BACKUP, 1 A-0275-006 O-RING; BUNA-N; 70 DUR; NO.1 RM-10018 BAR; RND 3/16 INCH WOOD DONE A. 0 specifications are documented in the U.S. Government catalog.

Is NSN 4820-01-451-8840 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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