PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

A155Washer,flat

Seastrom Manufacturing Co Inc · NSN 5310-00-853-5895 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-853-5895 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-853-5895. Primary manufacturer part number: A155.
Features
  • Washer,flat — FSC 5310
  • Minimum Tensile Strength: 7000 POUNDS PER SQUARE INCH LBS
  • Hardness Rating: 110.0 ROCKWELL E NOMINAL
  • Material: PLASTIC POLYAMIDE NYLON OVERALL
  • Thickness: 0.094 INCHES NOMINAL IN
  • Material Document and Classification: MIL-P-17091,TY 1-CANC MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
  • Overall Diameter: 0.580 INCHES NOMINAL IN
  • Hole Diameter: 0.390 INCHES NOMINAL IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Plastic Polyamide Nylon Overall construction
General Description

The Washer,flat, cataloged under National Stock Number 5310-00-853-5895, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Seastrom Manufacturing Co Inc. Government technical data includes 10 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. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-00-853-5895
Primary Part NumberA155
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerSeastrom Manufacturing Co Inc
StatusACTIVE
Minimum Tensile Strength7000 POUNDS PER SQUARE INCH LBS
Hardness Rating110.0 ROCKWELL E NOMINAL
MaterialPLASTIC POLYAMIDE NYLON OVERALL
Thickness0.094 INCHES NOMINAL IN
Material Document and ClassificationMIL-P-17091,TY 1-CANC MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
Overall Diameter0.580 INCHES NOMINAL IN
Hole Diameter0.390 INCHES NOMINAL IN
Peripheral Shape StyleROUND
Center Hole Shape StyleROUND
Cross-Sectional Shape StyleRECTANGULAR
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
4320-00-035-7560A155 INTERCHANGEABLE
Impeller
Circor Naval Solutions Llc Dba Warren Pumps
5120-00-117-3938L3198-20HDL INTERCHANGEABLE
Contact Positioner,terminal Crim
Itt Cannon Llc
5950-00-118-8137278-2122-010 INTERCHANGEABLE
Coil,radio Frequency
Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems
4610-00-353-46235104-7-3 INTERCHANGEABLE
Clamp
Chief of Engineers Dept of Army
5315-00-483-7094 INTERCHANGEABLE
Pin,connecting Arm
5935-00-494-978624930-G350042S2 INTERCHANGEABLE
Connector,receptacle,electrical
L3harris Technologies, Inc Div Space & Airborne Systems
1610-00-651-0096A155 INTERCHANGEABLE
Bushing,front
Hartzell Propeller Llc
1095-00-753-7662A155 INTERCHANGEABLE
Control,lock
Lockheed Martin Corp
Cross-Reference Index
Part NumberManufacturer
723299-53 Raytheon Company Dba Raytheon (USA)
A155 PRIMARY Seastrom Manufacturing Co Inc (USA)
723299-53 Raytheon Company Div Rmd Strategic (USA)
Related Parts
4320-00-035-7560INTERCHANGEABLE
IMPELLER
A155
5120-00-117-3938INTERCHANGEABLE
CONTACT POSITIONER,TERMINAL CRIM
L3198-20HDL
5950-00-118-8137INTERCHANGEABLE
COIL,RADIO FREQUENCY
278-2122-010
4610-00-353-4623INTERCHANGEABLE
CLAMP
5104-7-3
5315-00-483-7094INTERCHANGEABLE
PIN,CONNECTING ARM
5935-00-494-9786INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
24930-G350042S2
1610-00-651-0096INTERCHANGEABLE
BUSHING,FRONT
A155
1095-00-753-7662INTERCHANGEABLE
CONTROL,LOCK
A155

Frequently Asked Questions

What is NSN 5310-00-853-5895?

NSN 5310-00-853-5895 is a Washer,flat, manufactured by Seastrom Manufacturing Co Inc, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-853-5895?

NSN 5310-00-853-5895 has 3 cross-referenced part numbers: 723299-53 (Raytheon Company Dba Raytheon), A155 (Seastrom Manufacturing Co Inc), 723299-53 (Raytheon Company Div Rmd Strategic).

What NSN replaces 5310-00-853-5895?

There are 8 known substitutes for 5310-00-853-5895: 4320-00-035-7560, 5120-00-117-3938, 5950-00-118-8137 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of A155?

Key specifications for A155: Minimum Tensile Strength: 7000 POUNDS PER SQUARE INCH LBS; Hardness Rating: 110.0 ROCKWELL E NOMINAL; Material: PLASTIC POLYAMIDE NYLON OVERALL; Thickness: 0.094 INCHES NOMINAL IN. 10 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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