PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

FF-W-92TYPEAGRADE2CLASSAWasher,flat

Federal Specifications Promulgated by General Services Administration Washington DC · NSN 5310-00-637-2312 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-637-2312 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-637-2312. Primary manufacturer part number: FF-W-92TYPEAGRADE2CLASSA.
Features
  • Washer,flat — FSC 5310
  • Peripheral Shape Style: ROUND
  • Nondefinitive Spec/std Data: A TYPE AND 2 GRADE AND A CLASS
  • Material: STEEL OVERALL
  • Material Document and Classification: QQ-S-636,COND 1-CANCELED FED SPEC 1ST MATERIAL RESPONSE OR QQ-S-636,COND 2-CANCELED FED SPEC 2ND MATERIAL RESPONSE OVERALL
  • Hole Diameter: 0.365 INCHES MINIMUM AND 0.385 INCHES MAXIMUM IN
  • Thickness: 0.064 INCHES NOMINAL IN
  • Cross-Sectional Shape Style: RECTANGULAR
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 5310-00-637-2312, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Federal Specifications Promulgated by General Services Administration Washington DC. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-00-637-2312
Primary Part NumberFF-W-92TYPEAGRADE2CLASSA
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerFederal Specifications Promulgated by General Services Administration Washington DC
StatusACTIVE
Peripheral Shape StyleROUND
Nondefinitive Spec/std DataA TYPE AND 2 GRADE AND A CLASS
MaterialSTEEL OVERALL
Material Document and ClassificationQQ-S-636,COND 1-CANCELED FED SPEC 1ST MATERIAL RESPONSE OR QQ-S-636,COND 2-CANCELED FED SPEC 2ND MATERIAL RESPONSE OVERALL
Hole Diameter0.365 INCHES MINIMUM AND 0.385 INCHES MAXIMUM IN
Thickness0.064 INCHES NOMINAL IN
Cross-Sectional Shape StyleRECTANGULAR
Center Hole Shape StyleROUND
Overall Diameter0.562 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
3110-00-120-3316 INTERCHANGEABLE
Bearing,roller,needle
5930-00-242-8427 INTERCHANGEABLE
Switch,toggle
5975-00-263-10827235 INTERCHANGEABLE
Holder,pole Step
Joslyn Corp
5330-00-301-50217235 INTERCHANGEABLE
Seal,outer
Solar Turbines Incorporated Dba Solar Turbines Incorporated
5960-00-421-1054 INTERCHANGEABLE
Electron Tube
5920-00-825-6382REN35 INTERCHANGEABLE
Fuse,cartridge
Cooper Bussmann, Llc Dba Cooper Industries
5960-00-840-7103 INTERCHANGEABLE
Electron Tube
4720-00-858-4361 INTERCHANGEABLE
Hose Assembly,nonmetallic
4720-01-229-73087235 INTERCHANGEABLE
Hose,nonmetallic
Asrc Federal Facilities Logistics, Llc
2540-01-478-0416216724 INTERCHANGEABLE
Latch,door,vehicular
Cadillac Gage Textron Inc.
Cross-Reference Index
Part NumberManufacturer
FF-W-92TYPEAGRADE2CLASSA Federal Specifications Promulgated by General Services Administration Washington DC (USA)
7-235 Outboard Marine Corp Johnson Motors Div (USA)
Related Parts
3110-00-120-3316INTERCHANGEABLE
BEARING,ROLLER,NEEDLE
5930-00-242-8427INTERCHANGEABLE
SWITCH,TOGGLE
5975-00-263-1082INTERCHANGEABLE
HOLDER,POLE STEP
7235
5330-00-301-5021INTERCHANGEABLE
SEAL,OUTER
7235
5960-00-421-1054INTERCHANGEABLE
ELECTRON TUBE
5920-00-825-6382INTERCHANGEABLE
FUSE,CARTRIDGE
REN35
5960-00-840-7103INTERCHANGEABLE
ELECTRON TUBE
4720-00-858-4361INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC
4720-01-229-7308INTERCHANGEABLE
HOSE,NONMETALLIC
7235
2540-01-478-0416INTERCHANGEABLE
LATCH,DOOR,VEHICULAR
216724
5925-01-496-7633INTERCHANGEABLE
CIRCUIT BREAKER
5305-01-560-8071INTERCHANGEABLE
SCREW,MACHINE
7235

Frequently Asked Questions

What is NSN 5310-00-637-2312?

NSN 5310-00-637-2312 is a Washer,flat, manufactured by Federal Specifications Promulgated by General Services Administration Washington DC, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-637-2312?

NSN 5310-00-637-2312 has 2 cross-referenced part numbers: FF-W-92TYPEAGRADE2CLASSA (Federal Specifications Promulgated by General Services Administration Washington DC), 7-235 (Outboard Marine Corp Johnson Motors Div).

What NSN replaces 5310-00-637-2312?

There are 12 known substitutes for 5310-00-637-2312: 3110-00-120-3316, 5930-00-242-8427, 5975-00-263-1082 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of FF-W-92TYPEAGRADE2CLASSA?

Key specifications for FF-W-92TYPEAGRADE2CLASSA: Peripheral Shape Style: ROUND; Nondefinitive Spec/std Data: A TYPE AND 2 GRADE AND A CLASS; Material: STEEL OVERALL; Material Document and Classification: QQ-S-636,COND 1-CANCELED FED SPEC 1ST MATERIAL RESPONSE OR QQ-S-636,COND 2-CANCELED FED SPEC 2ND MATERIAL RESPONSE OVERALL. 9 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