Valve, Safety Relief4820-01-687-9489

NSN 4820-01-687-9489 · NIIN 016879489 · Part number T2517EN-DN100

Samson Corp · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 06WJ9

Government record, cited

NSN 4820-01-687-9489 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-687-9489. Manufacturer of record part number: T2517EN-DN100.

Also searched as 4820-01-687-9489 · 4820016879489 · NIIN 016879489 · 01-687-9489 · FSC 4820 Valves, Nonpowered · CAGE 06WJ9 · T2517EN-DN100

Nearby stock numbers ← 4820-01-687-9447 Valve, Safety Relief · 4820-01-687-9592 Valve, Gate →

4820-01-687-9489 — Valves, Nonpowered

Features

Valve,safety Relief — FSC 4820
Style Designator: CROSS FLANGED ENDS
Bonnet Type: INSIDE SCREW
Material: IRON CAST OVERALL
Valve Operation Method: AUTOMATIC
1 manufacturer part number on file
Manufacturer of record: Samson Corp

Identification

NSN: 4820-01-687-9489
NIIN: 016879489
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: T2517EN-DN100
Manufacturer: Samson Corp

General Description

The Valve,safety Relief, cataloged under National Stock Number 4820-01-687-9489, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Samson Corp. Government technical data includes 4 specifications, 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. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	4820-01-687-9489
Primary Part Number	T2517EN-DN100
Item Name	Valve,safety Relief
FSC / FSG	4820 / 48 — Valves, Nonpowered
Manufacturer	Samson Corp
Status	ACTIVE
Style Designator	CROSS FLANGED ENDS
Bonnet Type	INSIDE SCREW
Material	IRON CAST OVERALL
Valve Operation Method	AUTOMATIC

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
T2517EN-DN100 PRIMARY	Samson Corp (USA)

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 4820-01-687-9489?

NSN 4820-01-687-9489 is a Valve,safety Relief, manufactured by Samson Corp, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-687-9489?

NSN 4820-01-687-9489 has 1 manufacturer part number on file: T2517EN-DN100 (Samson Corp).

What are the specifications of T2517EN-DN100?

Key specifications for T2517EN-DN100: Style Designator: CROSS FLANGED ENDS; Bonnet Type: INSIDE SCREW; End Item Identification: SPEED REDUCTION GEAR DEVICE; Material: IRON CAST OVERALL. 4 specifications are documented in the U.S. Government catalog.

Is NSN 4820-01-687-9489 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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