PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

112CWasher,flat

H and R Tool and Machine Co · NSN 5310-00-205-9269 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-205-9269 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-205-9269. Primary manufacturer part number: 112C.
Features
  • Washer,flat — FSC 5310
  • Material Document and Classification: QQ-S-685-CANC FED SPEC SINGLE MATERIAL RESPONSE OVERALL
  • Material: STEEL OVERALL
  • Thickness: 0.064 INCHES NOMINAL IN
  • Center Hole Shape Style: ROUND
  • Peripheral Shape Style: ROUND
  • Hole Diameter: 0.397 INCHES NOMINAL IN
  • Overall Diameter: 0.750 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 5310-00-205-9269, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is H and R Tool and Machine Co. Government technical data includes 8 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. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-00-205-9269
Primary Part Number112C
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerH and R Tool and Machine Co
StatusACTIVE
Material Document and ClassificationQQ-S-685-CANC FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MaterialSTEEL OVERALL
Thickness0.064 INCHES NOMINAL IN
Center Hole Shape StyleROUND
Peripheral Shape StyleROUND
Hole Diameter0.397 INCHES NOMINAL IN
Overall Diameter0.750 INCHES NOMINAL IN
Cross-Sectional Shape StyleRECTANGULAR
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5340-00-276-5835SA16 INTERCHANGEABLE
Plug,expansion
Wisconsin Motors, Llc
4820-00-287-2199112CSS-2-185 INTERCHANGEABLE
Valve,safety Relief
F.c.kingston Co. Dba Storm Manufacturing
3030-00-529-0387 INTERCHANGEABLE
Belt,v
6625-01-180-3055 INTERCHANGEABLE
Synthesizer,electrical Frequency
Cross-Reference Index
Part NumberManufacturer
112C H and R Tool and Machine Co (USA)
C2UT399ND De Havilland Aircraft of Canada Limited (CAN)
C2UT399ND Mrl Inc (USA)
Related Parts
5340-00-276-5835INTERCHANGEABLE
PLUG,EXPANSION
SA16
4820-00-287-2199INTERCHANGEABLE
VALVE,SAFETY RELIEF
112CSS-2-185
3030-00-529-0387INTERCHANGEABLE
BELT,V
6625-01-180-3055INTERCHANGEABLE
SYNTHESIZER,ELECTRICAL FREQUENCY

Frequently Asked Questions

What is NSN 5310-00-205-9269?

NSN 5310-00-205-9269 is a Washer,flat, manufactured by H and R Tool and Machine Co, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-205-9269?

NSN 5310-00-205-9269 has 3 cross-referenced part numbers: 112C (H and R Tool and Machine Co), C2UT399ND (De Havilland Aircraft of Canada Limited), C2UT399ND (Mrl Inc).

What NSN replaces 5310-00-205-9269?

There are 4 known substitutes for 5310-00-205-9269: 5340-00-276-5835, 4820-00-287-2199, 3030-00-529-0387 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 112C?

Key specifications for 112C: Material Document and Classification: QQ-S-685-CANC FED SPEC SINGLE MATERIAL RESPONSE OVERALL; Material: STEEL OVERALL; Thickness: 0.064 INCHES NOMINAL IN; Center Hole Shape Style: ROUND. 8 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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