PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

126190Washer,flat

Lockheed Martin Corp Electronics and Missiles Div · NSN 5310-01-152-1235 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-01-152-1235 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-152-1235. Primary manufacturer part number: 126190.
Features
  • Washer,flat — FSC 5310
  • Peripheral Shape Style: ROUND
  • Center Hole Shape Style: ROUND
  • Surface Treatment: PASSIVATE OVERALL
  • Surface Treatment Document and Classification: MIL-STD-171 MIL STD SINGLE TREATMENT RESPONSE OVERALL
  • Overall Diameter: 0.480 INCHES NOMINAL IN
  • Cross-Sectional Shape Style: RECTANGULAR
  • Material Document and Classification: QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Corrosion Resisting Overall construction
General Description

The Washer,flat, cataloged under National Stock Number 5310-01-152-1235, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Lockheed Martin Corp Electronics and Missiles Div. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-01-152-1235
Primary Part Number126190
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerLockheed Martin Corp Electronics and Missiles Div
StatusACTIVE
Peripheral Shape StyleROUND
Center Hole Shape StyleROUND
Surface TreatmentPASSIVATE OVERALL
Surface Treatment Document and ClassificationMIL-STD-171 MIL STD SINGLE TREATMENT RESPONSE OVERALL
Overall Diameter0.480 INCHES NOMINAL IN
Cross-Sectional Shape StyleRECTANGULAR
Material Document and ClassificationQQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MaterialSTEEL CORROSION RESISTING OVERALL
Thickness0.061 INCHES NOMINAL IN
Hole Diameter0.139 INCHES MINIMUM AND 0.145 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5305-00-012-6190 INTERCHANGEABLE
Screw,tapping
3950-01-464-4975126190 INTERCHANGEABLE
Lining,friction
Jered Llc
Cross-Reference Index
Part NumberManufacturer
126190 PRIMARY Lockheed Martin Corp Electronics and Missiles Div (USA)
Related Parts
5305-00-012-6190INTERCHANGEABLE
SCREW,TAPPING
3950-01-464-4975INTERCHANGEABLE
LINING,FRICTION
126190

Frequently Asked Questions

What is NSN 5310-01-152-1235?

NSN 5310-01-152-1235 is a Washer,flat, manufactured by Lockheed Martin Corp Electronics and Missiles Div, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-01-152-1235?

NSN 5310-01-152-1235 has 1 cross-referenced part number: 126190 (Lockheed Martin Corp Electronics and Missiles Div).

What NSN replaces 5310-01-152-1235?

There are 2 known substitutes for 5310-01-152-1235: 5305-00-012-6190, 3950-01-464-4975. Verify interchangeability with system specifications before substitution.

What are the specifications of 126190?

Key specifications for 126190: Peripheral Shape Style: ROUND; Center Hole Shape Style: ROUND; Surface Treatment: PASSIVATE OVERALL; Surface Treatment Document and Classification: MIL-STD-171 MIL STD SINGLE TREATMENT RESPONSE OVERALL. 10 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com