PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

124-4366739 PC 77Washer,flat

Naval Sea Systems Command · NSN 5310-01-469-9213 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-01-469-9213 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-469-9213. Primary manufacturer part number: 124-4366739 PC 77.
Features
  • Washer,flat — FSC 5310
  • Hole Diameter: 1.062 INCHES NOMINAL IN
  • Material: STEEL OVERALL
  • Surface Treatment Document and Classification: QQ-Z-325,TY II,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
  • Thickness: 0.136 INCHES MINIMUM AND 0.192 INCHES MAXIMUM IN
  • Peripheral Shape Style: ROUND
  • Surface Treatment: ZINC OVERALL
  • Overall Diameter: 2.500 INCHES NOMINAL IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Overall construction
General Description

The Washer,flat, cataloged under National Stock Number 5310-01-469-9213, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Naval Sea Systems Command. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-01-469-9213
Primary Part Number124-4366739 PC 77
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerNaval Sea Systems Command
StatusACTIVE
Hole Diameter1.062 INCHES NOMINAL IN
MaterialSTEEL OVERALL
Surface Treatment Document and ClassificationQQ-Z-325,TY II,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
Thickness0.136 INCHES MINIMUM AND 0.192 INCHES MAXIMUM IN
Peripheral Shape StyleROUND
Surface TreatmentZINC OVERALL
Overall Diameter2.500 INCHES NOMINAL IN
Center Hole Shape StyleROUND
Cross-Sectional Shape StyleRECTANGULAR
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
3020-01-469-9935124-4399311 PC 29 X 30 INTERCHANGEABLE
Gear Sector,spur
Naval Sea Systems Command
3040-01-469-9975124-4399311 PC 15 INTERCHANGEABLE
Spindle,mechanically Actuated
Naval Sea Systems Command
3020-01-470-0512124-4399311 PC23 INTERCHANGEABLE
Gear,spur
Naval Sea Systems Command
5360-01-470-4297124-4399311PC54 INTERCHANGEABLE
Spring,helical,compression
Naval Sea Systems Command
3040-01-470-64524399311 PC 53 INTERCHANGEABLE
Plate,spring
Naval Sea Systems Command
5310-01-487-0390124-6293626 PC 107 INTERCHANGEABLE
Nut,plain,hexagon
Naval Sea Systems Command
Cross-Reference Index
Part NumberManufacturer
124-4366739 PC 77 PRIMARY Naval Sea Systems Command (USA)
B18.22.1 American National Standards Institute Incorporated Dba American National Standards Institute (USA)
124-4399311 PC 60 PRIMARY Naval Sea Systems Command (USA)
4399311 Naval Sea Systems Command (USA)
4366739 Naval Sea Systems Command (USA)
Related Parts
3020-01-469-9935INTERCHANGEABLE
GEAR SECTOR,SPUR
124-4399311 PC 29 X 30
3040-01-469-9975INTERCHANGEABLE
SPINDLE,MECHANICALLY ACTUATED
124-4399311 PC 15
3020-01-470-0512INTERCHANGEABLE
GEAR,SPUR
124-4399311 PC23
5360-01-470-4297INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
124-4399311PC54
3040-01-470-6452INTERCHANGEABLE
PLATE,SPRING
4399311 PC 53
5310-01-487-0390INTERCHANGEABLE
NUT,PLAIN,HEXAGON
124-6293626 PC 107

Frequently Asked Questions

What is NSN 5310-01-469-9213?

NSN 5310-01-469-9213 is a Washer,flat, manufactured by Naval Sea Systems Command, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-01-469-9213?

NSN 5310-01-469-9213 has 5 cross-referenced part numbers: 124-4366739 PC 77 (Naval Sea Systems Command), B18.22.1 (American National Standards Institute Incorporated Dba American National Standards Institute), 124-4399311 PC 60 (Naval Sea Systems Command), 4399311 (Naval Sea Systems Command), 4366739 (Naval Sea Systems Command).

What NSN replaces 5310-01-469-9213?

There are 6 known substitutes for 5310-01-469-9213: 3020-01-469-9935, 3040-01-469-9975, 3020-01-470-0512 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 124-4366739 PC 77?

Key specifications for 124-4366739 PC 77: Hole Diameter: 1.062 INCHES NOMINAL IN; Material: STEEL OVERALL; Surface Treatment Document and Classification: QQ-Z-325,TY II,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Thickness: 0.136 INCHES MINIMUM AND 0.192 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.
PartsTable Design LLC · partstable.com