PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

235-1-310Washer,flat

Bae Systems Information and Electronic Systems Integration Inc. · NSN 5310-00-251-6402 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-251-6402 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-251-6402. Primary manufacturer part number: 235-1-310.
Features
  • Washer,flat — FSC 5310
  • Overall Diameter: 0.151 INCHES MINIMUM AND 0.161 INCHES MAXIMUM IN
  • Center Hole Shape Style: ROUND
  • Material: STEEL COMP 302 OVERALL
  • Thickness: 0.009 INCHES MINIMUM AND 0.011 INCHES MAXIMUM IN
  • Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
  • Peripheral Shape Style: ROUND
  • Surface Treatment: PASSIVATE OVERALL
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp 302 Overall construction
General Description

The Washer,flat, cataloged under National Stock Number 5310-00-251-6402, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Bae Systems Information and Electronic Systems Integration Inc.. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-00-251-6402
Primary Part Number235-1-310
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerBae Systems Information and Electronic Systems Integration Inc.
StatusACTIVE
Overall Diameter0.151 INCHES MINIMUM AND 0.161 INCHES MAXIMUM IN
Center Hole Shape StyleROUND
MaterialSTEEL COMP 302 OVERALL
Thickness0.009 INCHES MINIMUM AND 0.011 INCHES MAXIMUM IN
Surface Treatment Document and ClassificationQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
Peripheral Shape StyleROUND
Surface TreatmentPASSIVATE OVERALL
Cross-Sectional Shape StyleRECTANGULAR
Material Document and ClassificationQQ-S-766 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Hole Diameter0.095 INCHES MINIMUM AND 0.100 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5905-00-115-3560 INTERCHANGEABLE
Resistor,fixed,composition
5950-00-348-6731989112-52B INTERCHANGEABLE
Coil,radio Frequency
Raytheon Company Dba Raytheon
5315-00-355-9323SCB93259 INTERCHANGEABLE
Pin,locking
Smiths Detection Inc. Dba Smiths Detection Inc Casc
5905-01-058-935589PR500K INTERCHANGEABLE
Resistor,variable,nonwire Wound,
Bi Technologies Corporation Div Bi Technologies Corp.
4820-01-317-055010218-3 INTERCHANGEABLE
Valve,globe
Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok
Cross-Reference Index
Part NumberManufacturer
10218-3 Drs Technologies Canada Ltd (CAN)
10218-3 Drs Technologies Canada Ltd (CAN)
235-1-310 Kearfott Corporation Div Guidance and Navigation Division (USA)
235-1-310 PRIMARY Bae Systems Information and Electronic Systems Integration Inc. (USA)
Related Parts
5905-00-115-3560INTERCHANGEABLE
RESISTOR,FIXED,COMPOSITION
5950-00-348-6731INTERCHANGEABLE
COIL,RADIO FREQUENCY
989112-52B
5315-00-355-9323INTERCHANGEABLE
PIN,LOCKING
SCB93259
5905-01-058-9355INTERCHANGEABLE
RESISTOR,VARIABLE,NONWIRE WOUND,
89PR500K
4820-01-317-0550INTERCHANGEABLE
VALVE,GLOBE
10218-3

Frequently Asked Questions

What is NSN 5310-00-251-6402?

NSN 5310-00-251-6402 is a Washer,flat, manufactured by Bae Systems Information and Electronic Systems Integration Inc., classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-251-6402?

NSN 5310-00-251-6402 has 4 cross-referenced part numbers: 10218-3 (Drs Technologies Canada Ltd), 10218-3 (Drs Technologies Canada Ltd), 235-1-310 (Kearfott Corporation Div Guidance and Navigation Division), 235-1-310 (Bae Systems Information and Electronic Systems Integration Inc.).

What NSN replaces 5310-00-251-6402?

There are 5 known substitutes for 5310-00-251-6402: 5905-00-115-3560, 5950-00-348-6731, 5315-00-355-9323 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 235-1-310?

Key specifications for 235-1-310: Overall Diameter: 0.151 INCHES MINIMUM AND 0.161 INCHES MAXIMUM IN; Center Hole Shape Style: ROUND; Material: STEEL COMP 302 OVERALL; Thickness: 0.009 INCHES MINIMUM AND 0.011 INCHES MAXIMUM 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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