PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

7764909Washer,flat

U S Army Tank Automotive Command Amsta-Im-Mm · NSN 5310-00-776-4909 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-776-4909 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-776-4909. Primary manufacturer part number: 7764909.
Features
  • Washer,flat — FSC 5310
  • Peripheral Shape Style: ROUND
  • Material Document and Classification: ASTM A108 ASSN STD 1ST MATERIAL RESPONSE OR ASTM A108 ASSN STD 2ND MATERIAL RESPONSE OR ASTM A108 ASSN STD 3RD MATERIAL RESPONSE OR ASTM A108 ASSN STD 4TH MATERIAL RESPONSE OR ASTM A108 ASSN STD 5TH MATERIAL RESPONSE OR ASTM A108 ASSN STD 6TH MATERIAL RESPONSE OR ASTM A576 ASSN STD 7TH MATERIAL RESPONSE OR ASTM A576 ASSN STD 8TH MATERIAL RESPONSE OVERALL
  • Material: STEEL COMP 1010 OR STEEL COMP 1015 OR STEEL COMP 1016 OR STEEL COMP 1018 OR STEEL COMP 1019 OR STEEL COMP 1020 OR STEEL COMP 1012 OR STEEL COMP 1017 OVERALL
  • Cross-Sectional Shape Style: RECTANGULAR
  • Center Hole Shape Style: ROUND
  • Overall Diameter: 3.984 INCHES MINIMUM AND 4.016 INCHES MAXIMUM IN
  • Thickness: 0.375 INCHES MINIMUM AND 0.391 INCHES MAXIMUM IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp 1010 or Steel Comp 1015 or Steel Comp 1016 or Steel Comp 1018 or Steel Comp 1019 or Steel Comp 1020 or Steel Comp 1012 or Steel Comp 1017 Overall construction
General Description

The Washer,flat, cataloged under National Stock Number 5310-00-776-4909, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is U S Army Tank Automotive Command Amsta-Im-Mm. 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-00-776-4909
Primary Part Number7764909
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerU S Army Tank Automotive Command Amsta-Im-Mm
StatusACTIVE
Peripheral Shape StyleROUND
Material Document and ClassificationASTM A108 ASSN STD 1ST MATERIAL RESPONSE OR ASTM A108 ASSN STD 2ND MATERIAL RESPONSE OR ASTM A108 ASSN STD 3RD MATERIAL RESPONSE OR ASTM A108 ASSN STD 4TH MATERIAL RESPONSE OR ASTM A108 ASSN STD 5TH MATERIAL RESPONSE OR ASTM A108 ASSN STD 6TH MATERIAL RESPONSE OR ASTM A576 ASSN STD 7TH MATERIAL RESPONSE OR ASTM A576 ASSN STD 8TH MATERIAL RESPONSE OVERALL
MaterialSTEEL COMP 1010 OR STEEL COMP 1015 OR STEEL COMP 1016 OR STEEL COMP 1018 OR STEEL COMP 1019 OR STEEL COMP 1020 OR STEEL COMP 1012 OR STEEL COMP 1017 OVERALL
Cross-Sectional Shape StyleRECTANGULAR
Center Hole Shape StyleROUND
Overall Diameter3.984 INCHES MINIMUM AND 4.016 INCHES MAXIMUM IN
Thickness0.375 INCHES MINIMUM AND 0.391 INCHES MAXIMUM IN
Hole Diameter2.297 INCHES MINIMUM AND 2.328 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
3110-00-100-0695782 INTERCHANGEABLE
Cone and Rollers,tapered Roller
The Timken Corporation
5975-00-153-797152-C-49 1/2 INTERCHANGEABLE
Cover,junction Box
Abb Installation Products Inc
5340-00-290-075754B7259H13 INTERCHANGEABLE
Clamp,loop
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp
6250-00-513-26267-82 INTERCHANGEABLE
Lampholder
Lighting Components and Design Incorporated Dba Lc&d
3920-00-537-1924 INTERCHANGEABLE
Bar,pry,wheeled
5950-00-646-2280 INTERCHANGEABLE
Transformer,power
5120-00-675-0845WR288 INTERCHANGEABLE
Wrench,spanner
Goodrich Corporation
6240-00-836-4980 INTERCHANGEABLE
Lamp,incandescent
5985-00-838-8454782 INTERCHANGEABLE
Dummy Load,electrical
Waveline Inc
4730-00-947-036413229E1122 INTERCHANGEABLE
Coupling,clamp,pipe
Cecom Lr Center
Cross-Reference Index
Part NumberManufacturer
KC7531 Diamond Reo Truck Co (USA)
7764909 PRIMARY U S Army Tank Automotive Command Amsta-Im-Mm (USA)
782 Saf-Holland, Inc. (USA)
Related Parts
3110-00-100-0695INTERCHANGEABLE
CONE AND ROLLERS,TAPERED ROLLER
782
5975-00-153-7971INTERCHANGEABLE
COVER,JUNCTION BOX
52-C-49 1/2
5340-00-290-0757INTERCHANGEABLE
CLAMP,LOOP
54B7259H13
6250-00-513-2626INTERCHANGEABLE
LAMPHOLDER
7-82
3920-00-537-1924INTERCHANGEABLE
BAR,PRY,WHEELED
5950-00-646-2280INTERCHANGEABLE
TRANSFORMER,POWER
5120-00-675-0845INTERCHANGEABLE
WRENCH,SPANNER
WR288
6240-00-836-4980INTERCHANGEABLE
LAMP,INCANDESCENT
5985-00-838-8454INTERCHANGEABLE
DUMMY LOAD,ELECTRICAL
782
4730-00-947-0364INTERCHANGEABLE
COUPLING,CLAMP,PIPE
13229E1122
6515-00-967-5543INTERCHANGEABLE
SYRINGE AND NEEDLE,HYPODERMIC
3020-01-158-6921INTERCHANGEABLE
GEAR,SPUR

Frequently Asked Questions

What is NSN 5310-00-776-4909?

NSN 5310-00-776-4909 is a Washer,flat, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-776-4909?

NSN 5310-00-776-4909 has 3 cross-referenced part numbers: KC7531 (Diamond Reo Truck Co), 7764909 (U S Army Tank Automotive Command Amsta-Im-Mm), 782 (Saf-Holland, Inc.).

What NSN replaces 5310-00-776-4909?

There are 12 known substitutes for 5310-00-776-4909: 3110-00-100-0695, 5975-00-153-7971, 5340-00-290-0757 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 7764909?

Key specifications for 7764909: Peripheral Shape Style: ROUND; Material Document and Classification: ASTM A108 ASSN STD 1ST MATERIAL RESPONSE OR ASTM A108 ASSN STD 2ND MATERIAL RESPONSE OR ASTM A108 ASSN STD 3RD MATERIAL RESPONSE OR ASTM A108 ASSN STD 4TH MATERIAL RESPONSE OR ASTM A108 ASSN STD 5TH MATERIAL RESPONSE OR ASTM A108 ASSN STD 6TH MATERIAL RESPONSE OR ASTM A576 ASSN STD 7TH MATERIAL RESPONSE OR ASTM A576 ASSN STD 8TH MATERIAL RESPONSE OVERALL; Material: STEEL COMP 1010 OR STEEL COMP 1015 OR STEEL COMP 1016 OR STEEL COMP 1018 OR STEEL COMP 1019 OR STEEL COMP 1020 OR STEEL COMP 1012 OR STEEL COMP 1017 OVERALL; End Item Identification: MULTIPLE LAUNCH ROCKET SYSTEM (MLRS). 9 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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