PartsTable TECHNICAL DATA SHEET

NSN 4820-01-200-8666Government record, cited

Seat, Valve4820-01-200-8666

NSN 4820-01-200-8666 · NIIN 012008666 · Part number 58329

Spirax Sarco Inc Dba Spirax Sarco · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 53059

Government record, cited

NSN 4820-01-200-8666 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-200-8666. Manufacturer of record part number: 58329.

Also searched as 4820-01-200-8666 · 4820012008666 · NIIN 012008666 · 01-200-8666 · FSC 4820 Valves, Nonpowered · CAGE 53059 · 58329 · 821168 · B21168

Nearby stock numbers ← 4820-01-200-8592 · 4820-01-200-8667 →

4820-01-200-8666 — Valves, Nonpowered

Features

Seat,valve — FSC 4820
Material: STEEL CORROSION RESISTING OVERALL
1 manufacturer part number on file
Manufacturer of record: Spirax Sarco Inc Dba Spirax Sarco

Identification

NSN: 4820-01-200-8666
NIIN: 012008666
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 58329
Manufacturer: Spirax Sarco Inc Dba Spirax Sarco

General Description

The Seat,valve, cataloged under National Stock Number 4820-01-200-8666, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Spirax Sarco Inc Dba Spirax Sarco. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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	4820-01-200-8666
Primary Part Number	58329
Item Name	Seat,valve
FSC / FSG	4820 / 48 — Valves, Nonpowered
Manufacturer	Spirax Sarco Inc Dba Spirax Sarco
Status	ACTIVE
Material	STEEL CORROSION RESISTING OVERALL

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
58329 PRIMARY	Spirax Sarco Inc Dba Spirax Sarco (USA)

Reference documents

Reference	Meaning
821168	C/1 Advisory reference — outside the item-of-supply concept Spirax Sarco Inc Dba Spirax Sarco
B21168	5/9 Secondary reference Spirax Sarco Inc Dba Spirax Sarco

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 4820-01-200-8666?

NSN 4820-01-200-8666 is a Seat,valve, manufactured by Spirax Sarco Inc Dba Spirax Sarco, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-200-8666?

NSN 4820-01-200-8666 has 1 manufacturer part number on file: 58329 (Spirax Sarco Inc Dba Spirax Sarco).

What are the specifications of 58329?

Key specifications for 58329: End Item Identification: SPIRAX SARCO INC STEAM TRAP 1/2 IN. MODEL N100 IN; Material: STEEL CORROSION RESISTING OVERALL. 1 specification is documented in the U.S. Government catalog.

Is NSN 4820-01-200-8666 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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