PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

9904AValve,emergency Brake

Tactair Fluid Controls Inc · NSN 1630-00-716-1731 · FSC 1630 · No Item Name Available
Verified by PartsTable
NSN 1630-00-716-1731 — this item is cataloged by the U.S. Government under National Stock Number 1630-00-716-1731. Primary manufacturer part number: 9904A.
Features
  • Valve,emergency Brake — FSC 1630
  • General Characteristics Item Description: 3000 PSI OPERATING PRESSURE,150 TO 1200 PSI CONTROLLED BRAKE PRESSURE,3 PORT,6-1/2 IN. LG,1-5/32 IN. W,ALUMINUM ALLOY BODY,ANODIZED FINISH,LEVER LOAD 55 LB MAX LBS
  • 4 verified cross-references
  • Primary manufacturer: Tactair Fluid Controls Inc
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Valve,emergency Brake, cataloged under National Stock Number 1630-00-716-1731, is classified within Federal Supply Class 1630 (No Item Name Available) of the Aircraft Components and Accessories group. The primary manufacturer of record is Tactair Fluid Controls Inc. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN1630-00-716-1731
Primary Part Number9904A
Item NameValve,emergency Brake
FSC / FSG1630 / 16 — No Item Name Available
ManufacturerTactair Fluid Controls Inc
StatusCANCELLED
General Characteristics Item Description3000 PSI OPERATING PRESSURE,150 TO 1200 PSI CONTROLLED BRAKE PRESSURE,3 PORT,6-1/2 IN. LG,1-5/32 IN. W,ALUMINUM ALLOY BODY,ANODIZED FINISH,LEVER LOAD 55 LB MAX LBS
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 5
5306-00-059-9573 INTERCHANGEABLE
Bolt,machine
4920-01-014-6746990-4 INTERCHANGEABLE
Test Set,flight Control System
Safe Flight Instrument, Llc
2520-01-151-564099041 INTERCHANGEABLE
Parts Kit,driving Axle Different
Dana Commercial Vehicle Products, Llc
5340-01-559-346599041 INTERCHANGEABLE
Plate,mounting
Barrett Firearms Manufacturing, Inc. Dba Barrett Firearms Manufacturing Inc
6150-01-667-77129904-1 INTERCHANGEABLE
Lead,electrical
Tru-Hitch, Inc.
Cross-Reference Index
Part NumberManufacturer
9904-1 Tactair Fluid Controls Inc Phoenix Controls Div (USA)
9904 Tactair Fluid Controls Inc Phoenix Controls Div (USA)
9904-1 Tactair Fluid Controls Inc (USA)
9904A PRIMARY Tactair Fluid Controls Inc (USA)
Related Parts
5306-00-059-9573INTERCHANGEABLE
BOLT,MACHINE
4920-01-014-6746INTERCHANGEABLE
TEST SET,FLIGHT CONTROL SYSTEM
990-4
2520-01-151-5640INTERCHANGEABLE
PARTS KIT,DRIVING AXLE DIFFERENT
99041
5340-01-559-3465INTERCHANGEABLE
PLATE,MOUNTING
99041
6150-01-667-7712INTERCHANGEABLE
LEAD,ELECTRICAL
9904-1

Frequently Asked Questions

What is NSN 1630-00-716-1731?

NSN 1630-00-716-1731 is a Valve,emergency Brake, manufactured by Tactair Fluid Controls Inc, classified under FSC 1630 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 1630-00-716-1731?

NSN 1630-00-716-1731 has 4 cross-referenced part numbers: 9904-1 (Tactair Fluid Controls Inc Phoenix Controls Div), 9904 (Tactair Fluid Controls Inc Phoenix Controls Div), 9904-1 (Tactair Fluid Controls Inc), 9904A (Tactair Fluid Controls Inc).

What NSN replaces 1630-00-716-1731?

There are 5 known substitutes for 1630-00-716-1731: 5306-00-059-9573, 4920-01-014-6746, 2520-01-151-5640 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 9904A?

Key specifications for 9904A: General Characteristics Item Description: 3000 PSI OPERATING PRESSURE,150 TO 1200 PSI CONTROLLED BRAKE PRESSURE,3 PORT,6-1/2 IN. LG,1-5/32 IN. W,ALUMINUM ALLOY BODY,ANODIZED FINISH,LEVER LOAD 55 LB MAX LBS. 1 total characteristics are documented in the Federal Logistics Information System.

Is NSN 1630-00-716-1731 still in active supply?

NSN 1630-00-716-1731 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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