PartsTable TECHNICAL DATA SHEET

NSN 4820-01-283-3887Government record, cited

Piston, Valve4820-01-283-3887

NSN 4820-01-283-3887 · NIIN 012833887 · Part number T426671

Fairbanks Morse, Llc · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 7PZX0

Government record, cited

NSN 4820-01-283-3887 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-283-3887. Manufacturer of record part number: T426671.

Also searched as 4820-01-283-3887 · 4820012833887 · NIIN 012833887 · 01-283-3887 · FSC 4820 Valves, Nonpowered · CAGE 7PZX0 · T426671 · T107023 PIECE 3 · T107023 PIECE 3

Nearby stock numbers ← 4820-01-283-3880 Stem, Fluid Valve · 4820-01-283-3892 Slide, Directional Control Linear →

4820-01-283-3887 — Valves, Nonpowered

Features

Piston,valve — FSC 4820
2 manufacturer part numbers on file
Manufacturer of record: Fairbanks Morse, Llc

Identification

NSN: 4820-01-283-3887
NIIN: 012833887
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: T426671
Manufacturer: Fairbanks Morse, Llc

General Description

The Piston,valve, cataloged under National Stock Number 4820-01-283-3887, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Fairbanks Morse, Llc. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	4820-01-283-3887
Primary Part Number	T426671
Item Name	Piston,valve
FSC / FSG	4820 / 48 — Valves, Nonpowered
Manufacturer	Fairbanks Morse, Llc
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
T107023 PIECE 3	Fairbanks Morse, Llc (USA)
T426671 PRIMARY	Fairbanks Morse, Llc (USA)

Reference documents

Reference	Meaning
T107023 PIECE 3	5/9 Secondary reference U.S. Government activity
T426671	3/9 Design control — primary reference U.S. Government activity

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 4820-01-283-3887?

NSN 4820-01-283-3887 is a Piston,valve, manufactured by Fairbanks Morse, Llc, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-283-3887?

NSN 4820-01-283-3887 has 2 manufacturer part numbers on file: T107023 PIECE 3 (Fairbanks Morse, Llc), T426671 (Fairbanks Morse, Llc).

What are the specifications of T426671?

Key specifications for T426671: Special Features: HEIGHT 168 MM MM. 0 specifications are documented in the U.S. Government catalog.

Is NSN 4820-01-283-3887 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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