PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

PB19091Washer,flat

Mission Systems Davenport Inc. · NSN 5310-00-190-2907 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-190-2907 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-190-2907. Primary manufacturer part number: PB19091.
Features
  • Washer,flat — FSC 5310
  • Cross-Sectional Shape Style: RECTANGULAR
  • Hole Diameter: 0.094 INCHES MINIMUM AND 0.099 INCHES MAXIMUM IN
  • Material Document and Classification: ASTM B36 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
  • Material: COPPER ALLOY OVERALL
  • Thickness: 0.010 INCHES MINIMUM AND 0.020 INCHES MAXIMUM IN
  • Overall Diameter: 0.208 INCHES MINIMUM AND 0.218 INCHES MAXIMUM IN
  • Peripheral Shape Style: ROUND
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Copper Alloy Overall construction
General Description

The Washer,flat, cataloged under National Stock Number 5310-00-190-2907, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Mission Systems Davenport Inc.. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5310-00-190-2907
Primary Part NumberPB19091
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerMission Systems Davenport Inc.
StatusCANCELLED
Cross-Sectional Shape StyleRECTANGULAR
Hole Diameter0.094 INCHES MINIMUM AND 0.099 INCHES MAXIMUM IN
Material Document and ClassificationASTM B36 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MaterialCOPPER ALLOY OVERALL
Thickness0.010 INCHES MINIMUM AND 0.020 INCHES MAXIMUM IN
Overall Diameter0.208 INCHES MINIMUM AND 0.218 INCHES MAXIMUM IN
Peripheral Shape StyleROUND
Center Hole Shape StyleROUND
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
4810-00-032-8178U7250 INTERCHANGEABLE
Valve,solenoid
Triumph Thermal Systems, Llc
5310-00-045-3810 INTERCHANGEABLE
Washer,key
5950-00-115-3642 INTERCHANGEABLE
Coil,radio Frequency
5310-00-186-0961 INTERCHANGEABLE
Washer,key
2825-00-218-60345252 INTERCHANGEABLE
Follower,oil Pump C
Northrop Grumman Systems Corporation Div Marine Systems
5935-00-228-43867418404P2 INTERCHANGEABLE
Connector,receptacle,electrical
Lockheed Martin Corporation Div Rms
5999-00-233-0432 INTERCHANGEABLE
Contact,electrical
5935-00-448-1085 INTERCHANGEABLE
Connector,receptacle,electrical
5320-00-516-7914KIT 946 INTERCHANGEABLE
Rivet,solid
Meritor Heavy Vehicle Systems, Llc
5961-00-536-1559 INTERCHANGEABLE
Semiconductor Device,diode
Cross-Reference Index
Part NumberManufacturer
W0-2 Honeywell Intl Inc Defense Avionics Systems (USA)
PB19091 PRIMARY Mission Systems Davenport Inc. (USA)
525-2 Honeywell Intl Inc Defense Avionics Systems Former Bendix Navigation and Control Systems (USA)
W0-2 Honeywell Intl Inc Defense Avionics Systems Former Bendix Navigation and Control Systems (USA)
PB19091 Honeywell Intl Inc Defense Avionics Systems Former Bendix Navigation and Control Systems (USA)
525-2 Honeywell Intl Inc Defense Avionics Systems (USA)
FFW92TYPEAGRADE1CLASSE Federal Specifications Promulgated by General Services Administration Washington DC (USA)
193-1001 Cnh Industrial America Llc Dba Cnh America (USA)
Related Parts
4810-00-032-8178INTERCHANGEABLE
VALVE,SOLENOID
U7250
5310-00-045-3810INTERCHANGEABLE
WASHER,KEY
5950-00-115-3642INTERCHANGEABLE
COIL,RADIO FREQUENCY
5310-00-186-0961INTERCHANGEABLE
WASHER,KEY
2825-00-218-6034INTERCHANGEABLE
FOLLOWER,OIL PUMP C
5252
5935-00-228-4386INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
7418404P2
5999-00-233-0432INTERCHANGEABLE
CONTACT,ELECTRICAL
5935-00-448-1085INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
5320-00-516-7914INTERCHANGEABLE
RIVET,SOLID
KIT 946
5961-00-536-1559INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
5975-00-578-3643INTERCHANGEABLE
BOX CONNECTOR,ELECTRICAL
11B254121-1
4820-00-606-9368INTERCHANGEABLE
LOCKNUT
6636

Frequently Asked Questions

What is NSN 5310-00-190-2907?

NSN 5310-00-190-2907 is a Washer,flat, manufactured by Mission Systems Davenport Inc., classified under FSC 5310 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5310-00-190-2907?

NSN 5310-00-190-2907 has 8 cross-referenced part numbers: W0-2 (Honeywell Intl Inc Defense Avionics Systems), PB19091 (Mission Systems Davenport Inc.), 525-2 (Honeywell Intl Inc Defense Avionics Systems Former Bendix Navigation and Control Systems), W0-2 (Honeywell Intl Inc Defense Avionics Systems Former Bendix Navigation and Control Systems), PB19091 (Honeywell Intl Inc Defense Avionics Systems Former Bendix Navigation and Control Systems) and 3 more.

What NSN replaces 5310-00-190-2907?

There are 12 known substitutes for 5310-00-190-2907: 4810-00-032-8178, 5310-00-045-3810, 5950-00-115-3642 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of PB19091?

Key specifications for PB19091: Cross-Sectional Shape Style: RECTANGULAR; Hole Diameter: 0.094 INCHES MINIMUM AND 0.099 INCHES MAXIMUM IN; Material Document and Classification: ASTM B36 ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Material: COPPER ALLOY OVERALL. 8 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5310-00-190-2907 still in active supply?

NSN 5310-00-190-2907 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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