PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2-155Washer,flat

Amphenol Corp Div Amphenol Aerospace Operations · NSN 5310-00-485-9353 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-485-9353 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-485-9353. Primary manufacturer part number: 2-155.
Features
  • Washer,flat — FSC 5310
  • Hole Diameter: 0.100 INCHES MINIMUM AND 0.102 INCHES MAXIMUM IN
  • Overall Diameter: 0.308 INCHES MINIMUM AND 0.318 INCHES MAXIMUM IN
  • Peripheral Shape Style: ROUND
  • Center Hole Shape Style: ROUND
  • Material: COPPER ALLOY OVERALL
  • Thickness: 0.0188 INCHES MINIMUM AND 0.0214 INCHES MAXIMUM IN
  • Cross-Sectional Shape Style: RECTANGULAR
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 5310-00-485-9353, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Amphenol Corp Div Amphenol Aerospace Operations. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 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: Cancelled.

Technical Specifications
ParameterValue
NSN5310-00-485-9353
Primary Part Number2-155
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerAmphenol Corp Div Amphenol Aerospace Operations
StatusCANCELLED
Hole Diameter0.100 INCHES MINIMUM AND 0.102 INCHES MAXIMUM IN
Overall Diameter0.308 INCHES MINIMUM AND 0.318 INCHES MAXIMUM IN
Peripheral Shape StyleROUND
Center Hole Shape StyleROUND
MaterialCOPPER ALLOY OVERALL
Thickness0.0188 INCHES MINIMUM AND 0.0214 INCHES MAXIMUM IN
Cross-Sectional Shape StyleRECTANGULAR
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
1420-00-013-70661617823 INTERCHANGEABLE
Valve
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
5310-00-042-4229MS35333-113 INTERCHANGEABLE
Washer,lock
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5331-00-166-84002-155V0747-75 INTERCHANGEABLE
O-Ring
Parker-Hannifin Corp Div O-Ring Division
3030-00-169-44322-155 INTERCHANGEABLE
Belt,round
Parker-Hannifin Corp Div O-Ring Division
5310-00-197-884421-55 INTERCHANGEABLE
Washer,flat
Brp Us Inc
6220-00-226-95642155 INTERCHANGEABLE
Light Assy
Mission Systems Davenport Inc.
4810-00-541-6051215-5 INTERCHANGEABLE
Valve,gate
Flowserve Corporation Div Flowserve Us Inc
5310-00-550-1130MS35333-40 INTERCHANGEABLE
Washer,lock
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5331-00-580-65812-155N674-70 INTERCHANGEABLE
O-Ring
Parker-Hannifin Corp Div O-Ring Division
5310-00-582-984620825-1 INTERCHANGEABLE
Washer,shouldered
Advanced Conversion Technology Inc Div Advanced Conversion Technology
Cross-Reference Index
Part NumberManufacturer
2-155 Unison Industries Llc (USA)
2-155 PRIMARY Amphenol Corp Div Amphenol Aerospace Operations (USA)
2-155 Teledyne Industries Inc Teledyne Power Systems Div (USA)
Related Parts
1420-00-013-7066INTERCHANGEABLE
VALVE
1617823
5310-00-042-4229INTERCHANGEABLE
WASHER,LOCK
MS35333-113
5331-00-166-8400INTERCHANGEABLE
O-RING
2-155V0747-75
3030-00-169-4432INTERCHANGEABLE
BELT,ROUND
2-155
5310-00-197-8844INTERCHANGEABLE
WASHER,FLAT
21-55
6220-00-226-9564INTERCHANGEABLE
LIGHT ASSY
2155
4810-00-541-6051INTERCHANGEABLE
VALVE,GATE
215-5
5310-00-550-1130INTERCHANGEABLE
WASHER,LOCK
MS35333-40
5331-00-580-6581INTERCHANGEABLE
O-RING
2-155N674-70
5310-00-582-9846INTERCHANGEABLE
WASHER,SHOULDERED
20825-1
6685-00-618-1822INTERCHANGEABLE
INDICATOR,HUMIDITY,PLUG
2510127
5330-00-789-6668INTERCHANGEABLE
PACKING,PREFORMED
2155

Frequently Asked Questions

What is NSN 5310-00-485-9353?

NSN 5310-00-485-9353 is a Washer,flat, manufactured by Amphenol Corp Div Amphenol Aerospace Operations, classified under FSC 5310 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5310-00-485-9353?

NSN 5310-00-485-9353 has 3 cross-referenced part numbers: 2-155 (Unison Industries Llc), 2-155 (Amphenol Corp Div Amphenol Aerospace Operations), 2-155 (Teledyne Industries Inc Teledyne Power Systems Div).

What NSN replaces 5310-00-485-9353?

There are 12 known substitutes for 5310-00-485-9353: 1420-00-013-7066, 5310-00-042-4229, 5331-00-166-8400 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 2-155?

Key specifications for 2-155: Hole Diameter: 0.100 INCHES MINIMUM AND 0.102 INCHES MAXIMUM IN; Overall Diameter: 0.308 INCHES MINIMUM AND 0.318 INCHES MAXIMUM IN; Peripheral Shape Style: ROUND; Center Hole Shape Style: ROUND. 7 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5310-00-485-9353 still in active supply?

NSN 5310-00-485-9353 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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