Filler Valve, Aircraft Oxygen1660-01-625-8301

NSN 1660-01-625-8301 · NIIN 016258301

FSC 1660 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment · FSG 16 — Aircraft Components and Accessories

Government record, cited

Also searched as 1660-01-625-8301 · 1660016258301 · NIIN 016258301 · 01-625-8301 · FSC 1660 Aircraft Air Conditioning, Heating, and Pressurizing Equipment

Nearby stock numbers ← 1660-01-625-6243 Duct Assembly, Air Conditioning-H · 1660-01-625-9751 Damper, Air Duct →

Features

Filler Valve,aircraft Oxygen — FSC 1660
Operating Temp Rating: -100.0 FAHRENHEIT MINIMUM AND 450.0 FAHRENHEIT MAXIMUM DEGF
Media for Which Designed: OXYGEN, LIQUID
Maximum Working Pressure: 5000.0 POUNDS PER SQUARE INCH (PSI) LBS
Material: STEEL COMP 302 AND ALUMINUM ALLOY

Identification

NSN: 1660-01-625-8301
NIIN: 016258301
FSC: 1660 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment
FSG: 16 — Aircraft Components and Accessories

General Description

The Filler Valve,aircraft Oxygen, cataloged under National Stock Number 1660-01-625-8301, is classified within Federal Supply Class 1660 (Aircraft Air Conditioning, Heating, and Pressurizing Equipment) of the Aircraft Components and Accessories group. Government technical data includes 4 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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	1660-01-625-8301
Item Name	Filler Valve,aircraft Oxygen
FSC / FSG	1660 / 16 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment
Status	ACTIVE
Operating Temp Rating	-100.0 FAHRENHEIT MINIMUM AND 450.0 FAHRENHEIT MAXIMUM DEGF
Media for Which Designed	OXYGEN, LIQUID
Maximum Working Pressure	5000.0 POUNDS PER SQUARE INCH (PSI) LBS
Material	STEEL COMP 302 AND ALUMINUM ALLOY

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

No manufacturer part numbers on file in the U.S. Government catalog.

Reference documents

Reference	Meaning
P4-691A	3/2 Design control — primary reference U.S. Government activity

No interchangeability data on file.

Other items in FSC 1660 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment

Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.

1660-00-006-4472

FLANGE,VALVE BODY

1660-00-009-5646

ADAPTER ASSEMBLY,BELLOWS

1660-00-019-8389

1660-00-019-8389 · Item name not on file

1660-00-019-8399

1660-00-019-8399 · Item name not on file

1660-00-031-5285

1660-00-031-5285 · Item name not on file

1660-00-302-4390

PISTON,REGULATING V

1660-00-441-0575

PISTON

1660-01-601-0729

ETHERNET SWITCH

Frequently Asked Questions

What is NSN 1660-01-625-8301?

NSN 1660-01-625-8301 is a Filler Valve,aircraft Oxygen, classified under FSC 1660, Aircraft Air Conditioning, Heating, and Pressurizing Equipment. Status: active.

What are the specifications of 1660-01-625-8301?

Key specifications for 1660-01-625-8301: Operating Temp Rating: -100.0 FAHRENHEIT MINIMUM AND 450.0 FAHRENHEIT MAXIMUM DEGF; Media for Which Designed: OXYGEN, LIQUID; Part Name Assigned by Controlling Agency: FILLER VALVE; Maximum Working Pressure: 5000.0 POUNDS PER SQUARE INCH (PSI) LBS. 4 specifications are documented in the U.S. Government catalog.

Is NSN 1660-01-625-8301 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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