PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

27108Pilot,valve Seat Refacing

Black and Decker Us Inc · NSN 4910-00-494-1277 · FSC 4910 · No Item Name Available
Verified by PartsTable
NSN 4910-00-494-1277 — this item is cataloged by the U.S. Government under National Stock Number 4910-00-494-1277. Primary manufacturer part number: 27108.
Features
  • Pilot,valve Seat Refacing — FSC 4910
  • Expanding Pilot Upper End Length: 2.188 INCHES NOMINAL IN
  • Style Designator: ROUND
  • Expansion Range: +0.531 TO 0.563 INCHES IN
  • Expanding Pilot Lower End Length: 3.719 INCHES NOMINAL IN
  • Upper End Diameter: 0.375 INCHES NOMINAL IN
  • Design Type: EXPANDING
  • Size: 0.5310 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 4910-00-494-1277, 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. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4910-00-494-1277
Primary Part Number27108
Item NamePilot,valve Seat Refacing
FSC / FSG4910 / 49 — No Item Name Available
ManufacturerBlack and Decker Us Inc
StatusACTIVE
Expanding Pilot Upper End Length2.188 INCHES NOMINAL IN
Style DesignatorROUND
Expansion Range+0.531 TO 0.563 INCHES IN
Expanding Pilot Lower End Length3.719 INCHES NOMINAL IN
Upper End Diameter0.375 INCHES NOMINAL IN
Design TypeEXPANDING
Size0.5310 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
5365-00-326-421227108 INTERCHANGEABLE
Spacer,sleeve
Honeywell International Inc. Div Aerospace - Torrance
5935-00-760-719627-108 INTERCHANGEABLE
Connector,receptacle,electrical
Amphenol Corporation Div Amphenol Rf
5310-00-870-6979 INTERCHANGEABLE
Washer,keyway
3020-01-067-657227108 INTERCHANGEABLE
Gear,pinion
Moog Inc. Dba Ampac-Isp Corp
6685-01-120-7957909-146 INTERCHANGEABLE
Gage,differential,dial Indicatin
Donaldson Company, Inc.
5930-01-147-945927108 INTERCHANGEABLE
Switch,flow
Setra Systems, Inc. Dba Gems Sensors
2920-01-212-477127284 INTERCHANGEABLE
Sensor,fuel Filter
Stanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems
Cross-Reference Index
Part NumberManufacturer
27108 PRIMARY Black and Decker Us Inc (USA)
Related Parts
5365-00-326-4212INTERCHANGEABLE
SPACER,SLEEVE
27108
5935-00-760-7196INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
27-108
5310-00-870-6979INTERCHANGEABLE
WASHER,KEYWAY
3020-01-067-6572INTERCHANGEABLE
GEAR,PINION
27108
6685-01-120-7957INTERCHANGEABLE
GAGE,DIFFERENTIAL,DIAL INDICATIN
909-146
5930-01-147-9459INTERCHANGEABLE
SWITCH,FLOW
27108
2920-01-212-4771INTERCHANGEABLE
SENSOR,FUEL FILTER
27284

Frequently Asked Questions

What is NSN 4910-00-494-1277?

NSN 4910-00-494-1277 is a Pilot,valve Seat Refacing, manufactured by Black and Decker Us Inc, classified under FSC 4910 (No Item Name Available). Status: active.

What are the part numbers for NSN 4910-00-494-1277?

NSN 4910-00-494-1277 has 1 cross-referenced part number: 27108 (Black and Decker Us Inc).

What NSN replaces 4910-00-494-1277?

There are 7 known substitutes for 4910-00-494-1277: 5365-00-326-4212, 5935-00-760-7196, 5310-00-870-6979 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 27108?

Key specifications for 27108: Expanding Pilot Upper End Length: 2.188 INCHES NOMINAL IN; Style Designator: ROUND; Expansion Range: +0.531 TO 0.563 INCHES IN; Expanding Pilot Lower End Length: 3.719 INCHES NOMINAL IN. 7 total characteristics are documented in the Federal Logistics Information System.

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