Seat, Valve4820-01-150-0889

NSN 4820-01-150-0889 · NIIN 011500889 · Part number T-9E-65

Swagelok Co · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 3T9T9

Government record, cited

NSN 4820-01-150-0889 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-150-0889. Manufacturer of record part number: T-9E-65.

Also searched as 4820-01-150-0889 · 4820011500889 · NIIN 011500889 · 01-150-0889 · FSC 4820 Valves, Nonpowered · CAGE 3T9T9 · T-9E-65 · SS-9S-65T · SS-65S16 ITEM-7 · SS-9S-65T

Nearby stock numbers ← 4820-01-150-0887 Seat, Valve · 4820-01-150-0891 →

4820-01-150-0889 — Valves, Nonpowered

Features

Seat,valve — FSC 4820
Material: PLASTIC POLYTETRAFLUOROETHYLENE SEAT
2 manufacturer part numbers on file
Manufacturer of record: Swagelok Co

Identification

NSN: 4820-01-150-0889
NIIN: 011500889
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: T-9E-65
Manufacturer: Swagelok Co

General Description

The Seat,valve, cataloged under National Stock Number 4820-01-150-0889, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Swagelok Co. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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	4820-01-150-0889
Primary Part Number	T-9E-65
Item Name	Seat,valve
FSC / FSG	4820 / 48 — Valves, Nonpowered
Manufacturer	Swagelok Co
Status	ACTIVE
Material	PLASTIC POLYTETRAFLUOROETHYLENE SEAT

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 1

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

4820-01-379-9310 POSSIBLE MATCH

SEAT,VALVE

Possible match (shared part number)

Cross-Reference Index

Part Number	Manufacturer
T-9E-65 PRIMARY	Swagelok Co (USA)
SS-9S-65T PRIMARY	Swagelok Co (USA)

Reference documents

Reference	Meaning
T-9E-65	5/9 Secondary reference Whitey Co
SS-65S16 ITEM-7	5/9 Secondary reference Whitey Co
SS-9S-65T	5/9 Secondary reference Whitey Co

Related Parts

4820-01-379-9310POSSIBLE MATCH

SEAT,VALVE

Frequently Asked Questions

What is NSN 4820-01-150-0889?

NSN 4820-01-150-0889 is a Seat,valve, manufactured by Swagelok Co, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-150-0889?

NSN 4820-01-150-0889 has 2 manufacturer part numbers on file: T-9E-65 (Swagelok Co), SS-9S-65T (Swagelok Co).

What NSN replaces 4820-01-150-0889?

1 possible match (shared part number, not a government interchangeability claim): 4820-01-379-9310. Verify interchangeability with system specifications before substitution.

What are the specifications of T-9E-65?

Key specifications for T-9E-65: Special Features: SWING OUT TYPE; Material: PLASTIC POLYTETRAFLUOROETHYLENE SEAT. 1 specification is documented in the U.S. Government catalog.

Is NSN 4820-01-150-0889 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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