PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

H11740Washer,recessed

M-D Pneumatics Inc · NSN 5310-01-119-3266 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-01-119-3266 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-119-3266. Primary manufacturer part number: H11740.
Features
  • Washer,recessed — FSC 5310
  • Material Thickness: 0.188 INCHES NOMINAL IN
  • Recess Diameter: 0.781 INCHES NOMINAL IN
  • Style Designator: RECESSED
  • Material Document and Classification: AISI,C-1215 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
  • Material: STEEL COMP 1215 OVERALL
  • Outside Diameter: 1.250 INCHES NOMINAL IN
  • Hole Diameter: 0.453 INCHES NOMINAL IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp 1215 Overall construction
General Description

The Washer,recessed, cataloged under National Stock Number 5310-01-119-3266, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is M-D Pneumatics Inc. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, 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
NSN5310-01-119-3266
Primary Part NumberH11740
Item NameWasher,recessed
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerM-D Pneumatics Inc
StatusACTIVE
Material Thickness0.188 INCHES NOMINAL IN
Recess Diameter0.781 INCHES NOMINAL IN
Style DesignatorRECESSED
Material Document and ClassificationAISI,C-1215 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MaterialSTEEL COMP 1215 OVERALL
Outside Diameter1.250 INCHES NOMINAL IN
Hole Diameter0.453 INCHES NOMINAL IN
Recess Angle82.0 DEGREES NOMINAL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5310-00-136-1616 INTERCHANGEABLE
Washer,recessed
5120-00-142-4034 INTERCHANGEABLE
Tool,cam Setting
5945-00-189-455111740 INTERCHANGEABLE
Relay,electromagnetic
Thales Usa, Inc. Div Air Mobility Solutions ("ams")
3455-00-243-217416291 INTERCHANGEABLE
Cutter,milling,woodruff Keyseat
Brown & Sharpe, Inc. Div Precision Measuring Instruments, Tesa Usa
6680-01-021-219411740 INTERCHANGEABLE
Meter,flow Rate Indicating
Electro Impulse Laboratory Inc Dba Electro Impulse Inc
5130-01-130-719711740 INTERCHANGEABLE
Die,crimping Tool
Abb Installation Products Inc
3010-01-174-9555BF10 3/4-3/4 INTERCHANGEABLE
Coupling,shaft,flexible
Altra Industrial Motion Corp.
5330-01-208-029211740 INTERCHANGEABLE
Seal,plain Encased
Skf Usa Inc. Dba Skf Aerospace Sealing Solutions
6615-01-317-7973 INTERCHANGEABLE
Gyroscope,rate
5130-01-379-8255 INTERCHANGEABLE
Die,crimping Tool
Cross-Reference Index
Part NumberManufacturer
H11740 M-D Pneumatics Inc (USA)
11740 M-D Pneumatics Inc (USA)
Related Parts
5310-00-136-1616INTERCHANGEABLE
WASHER,RECESSED
5120-00-142-4034INTERCHANGEABLE
TOOL,CAM SETTING
5945-00-189-4551INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
11740
3455-00-243-2174INTERCHANGEABLE
CUTTER,MILLING,WOODRUFF KEYSEAT
16291
6680-01-021-2194INTERCHANGEABLE
METER,FLOW RATE INDICATING
11740
5130-01-130-7197INTERCHANGEABLE
DIE,CRIMPING TOOL
11740
3010-01-174-9555INTERCHANGEABLE
COUPLING,SHAFT,FLEXIBLE
BF10 3/4-3/4
5330-01-208-0292INTERCHANGEABLE
SEAL,PLAIN ENCASED
11740
6615-01-317-7973INTERCHANGEABLE
GYROSCOPE,RATE
5130-01-379-8255INTERCHANGEABLE
DIE,CRIMPING TOOL
5140-01-415-1112INTERCHANGEABLE
POUCH,SURVEYOR'S TOOLS
3950-01-478-4152INTERCHANGEABLE
PARTS KIT,WINCH
11740

Frequently Asked Questions

What is NSN 5310-01-119-3266?

NSN 5310-01-119-3266 is a Washer,recessed, manufactured by M-D Pneumatics Inc, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-01-119-3266?

NSN 5310-01-119-3266 has 2 cross-referenced part numbers: H11740 (M-D Pneumatics Inc), 11740 (M-D Pneumatics Inc).

What NSN replaces 5310-01-119-3266?

There are 12 known substitutes for 5310-01-119-3266: 5310-00-136-1616, 5120-00-142-4034, 5945-00-189-4551 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of H11740?

Key specifications for H11740: Material Thickness: 0.188 INCHES NOMINAL IN; Recess Diameter: 0.781 INCHES NOMINAL IN; Style Designator: RECESSED; Material Document and Classification: AISI,C-1215 ASSN STD SINGLE MATERIAL RESPONSE OVERALL. 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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