PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

16204Pilot,valve Seat Refacing

Black and Decker Us Inc · NSN 4910-00-255-8650 · FSC 4910 · No Item Name Available
Verified by PartsTable
NSN 4910-00-255-8650 — this item is cataloged by the U.S. Government under National Stock Number 4910-00-255-8650. Primary manufacturer part number: 16204.
Features
  • Pilot,valve Seat Refacing — FSC 4910
  • Upper End Diameter: 0.375 INCHES NOMINAL IN
  • Design Type: EXPANDING
  • Size: 0.3750 INCHES MINIMUM AND 0.3910 INCHES MAXIMUM IN
  • Expansion Range: +0.371 TO 0.394 INCHES IN
  • Expanding Pilot Upper End Length: 1.531 INCHES NOMINAL IN
  • Style Designator: ROUND
  • Expanding Pilot Lower End Length: 4.469 INCHES NOMINAL IN
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Pilot,valve Seat Refacing, cataloged under National Stock Number 4910-00-255-8650, is classified within Federal Supply Class 4910 (No Item Name Available) of the Maintenance and Repair Shop Equipment group. The primary manufacturer of record is Black and Decker Us Inc. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4910-00-255-8650
Primary Part Number16204
Item NamePilot,valve Seat Refacing
FSC / FSG4910 / 49 — No Item Name Available
ManufacturerBlack and Decker Us Inc
StatusCANCELLED
Upper End Diameter0.375 INCHES NOMINAL IN
Design TypeEXPANDING
Size0.3750 INCHES MINIMUM AND 0.3910 INCHES MAXIMUM IN
Expansion Range+0.371 TO 0.394 INCHES IN
Expanding Pilot Upper End Length1.531 INCHES NOMINAL IN
Style DesignatorROUND
Expanding Pilot Lower End Length4.469 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 9
8305-00-222-2463 INTERCHANGEABLE
Cloth,duck
2815-00-374-825616205 INTERCHANGEABLE
Rod,push
Morris Material Handling, Inc.
5331-00-522-852016204 INTERCHANGEABLE
O-Ring
Aerosonic Llc
5915-00-912-33915451 INTERCHANGEABLE
Filter,low Pass
Bird Electronic Corporation Div Bird Electronic Corp
1630-01-003-091016204 INTERCHANGEABLE
Cap,brake Relief
Moog Military Aircraft Llc
5315-01-293-784116204 INTERCHANGEABLE
Pin,cotter
Clayton Manufacturing Company
1560-01-464-687116M204-803 INTERCHANGEABLE
Speed Brake,aircraft
Lockheed Martin Corporation Div Lockheed Martin Aeronautics Company
6515-01-589-483102.205.060 INTERCHANGEABLE
Screw,bone
Depuy Synthes Sales Inc Dba Depuy Synthes Trauma Div Depuy Synthes Sales, Inc., D/b/a Depuy Synthes Trauma
1005-01-675-955416204 INTERCHANGEABLE
Block,ejector,cartridge
Barrett Firearms Manufacturing, Inc. Dba Barrett Firearms Manufacturing Inc
Cross-Reference Index
Part NumberManufacturer
16204 PRIMARY Black and Decker Us Inc (USA)
Related Parts
8305-00-222-2463INTERCHANGEABLE
CLOTH,DUCK
2815-00-374-8256INTERCHANGEABLE
ROD,PUSH
16205
5331-00-522-8520INTERCHANGEABLE
O-RING
16204
5915-00-912-3391INTERCHANGEABLE
FILTER,LOW PASS
5451
1630-01-003-0910INTERCHANGEABLE
CAP,BRAKE RELIEF
16204
5315-01-293-7841INTERCHANGEABLE
PIN,COTTER
16204
1560-01-464-6871INTERCHANGEABLE
SPEED BRAKE,AIRCRAFT
16M204-803
6515-01-589-4831INTERCHANGEABLE
SCREW,BONE
02.205.060
1005-01-675-9554INTERCHANGEABLE
BLOCK,EJECTOR,CARTRIDGE
16204

Frequently Asked Questions

What is NSN 4910-00-255-8650?

NSN 4910-00-255-8650 is a Pilot,valve Seat Refacing, manufactured by Black and Decker Us Inc, classified under FSC 4910 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4910-00-255-8650?

NSN 4910-00-255-8650 has 1 cross-referenced part number: 16204 (Black and Decker Us Inc).

What NSN replaces 4910-00-255-8650?

There are 9 known substitutes for 4910-00-255-8650: 8305-00-222-2463, 2815-00-374-8256, 5331-00-522-8520 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 16204?

Key specifications for 16204: Upper End Diameter: 0.375 INCHES NOMINAL IN; Design Type: EXPANDING; Size: 0.3750 INCHES MINIMUM AND 0.3910 INCHES MAXIMUM IN; Expansion Range: +0.371 TO 0.394 INCHES IN. 7 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4910-00-255-8650 still in active supply?

NSN 4910-00-255-8650 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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