PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

W0-1Washer,flat

Honeywell Intl Inc Defense Avionics Systems · NSN 5310-00-216-3531 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-216-3531 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-216-3531. Primary manufacturer part number: W0-1.
Features
  • Washer,flat — FSC 5310
  • Overall Diameter: 0.178 INCHES MINIMUM AND 0.198 INCHES MAXIMUM IN
  • Peripheral Shape Style: ROUND
  • Material Document and Classification: QQ-B-611,COMP C-CANCELED FED SPEC SINGLE MATERIAL RESPONSE OVERALL
  • Material: COPPER ALLOY C OVERALL
  • Center Hole Shape Style: ROUND
  • Thickness: 0.011 INCHES MINIMUM AND 0.021 INCHES MAXIMUM IN
  • Cross-Sectional Shape Style: RECTANGULAR
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Copper Alloy C Overall construction
General Description

The Washer,flat, cataloged under National Stock Number 5310-00-216-3531, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Honeywell Intl Inc Defense Avionics Systems. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-00-216-3531
Primary Part NumberW0-1
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerHoneywell Intl Inc Defense Avionics Systems
StatusACTIVE
Overall Diameter0.178 INCHES MINIMUM AND 0.198 INCHES MAXIMUM IN
Peripheral Shape StyleROUND
Material Document and ClassificationQQ-B-611,COMP C-CANCELED FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MaterialCOPPER ALLOY C OVERALL
Center Hole Shape StyleROUND
Thickness0.011 INCHES MINIMUM AND 0.021 INCHES MAXIMUM IN
Cross-Sectional Shape StyleRECTANGULAR
Hole Diameter0.078 INCHES MINIMUM AND 0.083 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5310-00-186-0960 INTERCHANGEABLE
Washer,key
2990-00-258-648621143 INTERCHANGEABLE
Muffler,exhaust
Walker Mfg Co
3120-00-359-01925251 INTERCHANGEABLE
Bearing,washer,thrust
Mitsubishi Caterpillar Forklift America, Inc
5950-00-456-89031C34 INTERCHANGEABLE
Reactor
A.e.york, Llc
5975-00-615-91735251 INTERCHANGEABLE
Box Connector,electrical
Abb Installation Products Inc
5915-00-772-5293 INTERCHANGEABLE
Filter,low Pass
5935-00-990-26785251 INTERCHANGEABLE
Connector,receptacle,electrical
Hubbell Incorporated (delaware) Dba Wiring Device-Kellems Division
5998-01-020-1651525-1 INTERCHANGEABLE
Circuit Card Assembly
Marc Alan Group the, Inc
5935-01-020-20935251 INTERCHANGEABLE
Connector,receptacle,electrical
Bryant Electric
3020-01-116-00305251 INTERCHANGEABLE
Sprocket Wheel
Edro Corporation, the Dba Edro Corp
Cross-Reference Index
Part NumberManufacturer
W0-1 PRIMARY Honeywell Intl Inc Defense Avionics Systems (USA)
W0-1 Honeywell Intl Inc Defense Avionics Systems Former Bendix Navigation and Control Systems (USA)
525-1 Emcore Space & Navigation Corporation Div Space & Navigation (USA)
525-1 Honeywell Intl Inc Defense Avionics Systems Former Bendix Navigation and Control Systems (USA)
525-1 Honeywell Intl Inc Defense Avionics Systems (USA)
Related Parts
5310-00-186-0960INTERCHANGEABLE
WASHER,KEY
2990-00-258-6486INTERCHANGEABLE
MUFFLER,EXHAUST
21143
3120-00-359-0192INTERCHANGEABLE
BEARING,WASHER,THRUST
5251
5950-00-456-8903INTERCHANGEABLE
REACTOR
1C34
5975-00-615-9173INTERCHANGEABLE
BOX CONNECTOR,ELECTRICAL
5251
5915-00-772-5293INTERCHANGEABLE
FILTER,LOW PASS
5935-00-990-2678INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
5251
5998-01-020-1651INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
525-1
5935-01-020-2093INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
5251
3020-01-116-0030INTERCHANGEABLE
SPROCKET WHEEL
5251
5915-01-123-4208INTERCHANGEABLE
FILTER,RADIO FREQUENCY INTERFERE
6515-01-212-0642INTERCHANGEABLE
MASK,ORONASAL
VSI5251

Frequently Asked Questions

What is NSN 5310-00-216-3531?

NSN 5310-00-216-3531 is a Washer,flat, manufactured by Honeywell Intl Inc Defense Avionics Systems, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-216-3531?

NSN 5310-00-216-3531 has 5 cross-referenced part numbers: W0-1 (Honeywell Intl Inc Defense Avionics Systems), W0-1 (Honeywell Intl Inc Defense Avionics Systems Former Bendix Navigation and Control Systems), 525-1 (Emcore Space & Navigation Corporation Div Space & Navigation), 525-1 (Honeywell Intl Inc Defense Avionics Systems Former Bendix Navigation and Control Systems), 525-1 (Honeywell Intl Inc Defense Avionics Systems).

What NSN replaces 5310-00-216-3531?

There are 12 known substitutes for 5310-00-216-3531: 5310-00-186-0960, 2990-00-258-6486, 3120-00-359-0192 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of W0-1?

Key specifications for W0-1: Overall Diameter: 0.178 INCHES MINIMUM AND 0.198 INCHES MAXIMUM IN; Peripheral Shape Style: ROUND; Material Document and Classification: QQ-B-611,COMP C-CANCELED FED SPEC SINGLE MATERIAL RESPONSE OVERALL; Material: COPPER ALLOY C OVERALL. 8 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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