PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

7378340Washer,retaining

U S Army Tank Automotive Command Amsta-Im-Mm · NSN 5310-00-737-8340 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-737-8340 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-737-8340. Primary manufacturer part number: 7378340.
Features
  • Washer,retaining — FSC 5310
  • General Characteristics Item Description: STEEL,SAE 1016;2.798 IN. MIN,2.808 IN. MAX OD;2.666 IN. PITCH DIA;2.515 IN. MIN,2.525 IN. MAX ROOT DIA;10 SPLINES;16 TEETH;0.010 IN. MAX RADIUS;1.789 IN. MIN,1.795 IN. MAX BORE DIA AFTER BROACHING SPLINES;1.714 IN. MIN,1.724 IN. MAX DIA BEFORE BROACHING SPLINES;0.165 IN. MIN,0.179 IN. MAX THK IN
  • 7 verified cross-references
  • Primary manufacturer: U S Army Tank Automotive Command Amsta-Im-Mm
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Washer,retaining, cataloged under National Stock Number 5310-00-737-8340, 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 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-00-737-8340
Primary Part Number7378340
Item NameWasher,retaining
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerU S Army Tank Automotive Command Amsta-Im-Mm
StatusACTIVE
General Characteristics Item DescriptionSTEEL,SAE 1016;2.798 IN. MIN,2.808 IN. MAX OD;2.666 IN. PITCH DIA;2.515 IN. MIN,2.525 IN. MAX ROOT DIA;10 SPLINES;16 TEETH;0.010 IN. MAX RADIUS;1.789 IN. MIN,1.795 IN. MAX BORE DIA AFTER BROACHING SPLINES;1.714 IN. MIN,1.724 IN. MAX DIA BEFORE BROACHING SPLINES;0.165 IN. MIN,0.179 IN. MAX THK IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
2825-00-146-01283439 INTERCHANGEABLE
Bucket
Northrop Grumman Systems Corporation Div Marine Systems
5315-00-341-88473439 INTERCHANGEABLE
Pin,drive,power Actuated
Illinois Tool Works Inc
4820-00-364-84843439 INTERCHANGEABLE
Seat,valve
Quincy Compressor Division of Coltec Industries Inc Dba Quincy Compressor Div Quincy Compressor
6640-00-861-6210 INTERCHANGEABLE
Carrier,bottle
5977-01-172-24763439 INTERCHANGEABLE
Holder,electrical Contact Brush
Archer Engineering Inc
5340-01-198-848916560 INTERCHANGEABLE
Cap,protective,dust and Moisture
Stanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems
6515-01-322-20313439 INTERCHANGEABLE
Blade,arthroscopic,surgical
Dyonics Inc Sub of William H Rorer Inc
4110-01-464-0331203-439 INTERCHANGEABLE
Battery
Thermo King Corporation Dba Phoenix Global Distirbution.
5305-01-533-51733439 INTERCHANGEABLE
Screw,shoulder
General Dynamics-Ots, Inc. Div Ordnance and Tactical Systems
5306-01-553-88393439 INTERCHANGEABLE
Bolt,machine
Fasteners Inc.
Cross-Reference Index
Part NumberManufacturer
7378340 PRIMARY U S Army Tank Automotive Command Amsta-Im-Mm (USA)
3439 PRIMARY Clark Material Handling Company (USA)
3439 Clark Equipment Co (USA)
203439 Clark Equipment Co (USA)
22345J Diamond Reo Truck Co (USA)
8B2273 PRIMARY Napco International Llc Dba Napco International Inc (USA)
203439 PRIMARY Clark Material Handling Company (USA)
Related Parts
2825-00-146-0128INTERCHANGEABLE
BUCKET
3439
5315-00-341-8847INTERCHANGEABLE
PIN,DRIVE,POWER ACTUATED
3439
4820-00-364-8484INTERCHANGEABLE
SEAT,VALVE
3439
6640-00-861-6210INTERCHANGEABLE
CARRIER,BOTTLE
5977-01-172-2476INTERCHANGEABLE
HOLDER,ELECTRICAL CONTACT BRUSH
3439
5340-01-198-8489INTERCHANGEABLE
CAP,PROTECTIVE,DUST AND MOISTURE
16560
6515-01-322-2031INTERCHANGEABLE
BLADE,ARTHROSCOPIC,SURGICAL
3439
4110-01-464-0331INTERCHANGEABLE
BATTERY
203-439
5305-01-533-5173INTERCHANGEABLE
SCREW,SHOULDER
3439
5306-01-553-8839INTERCHANGEABLE
BOLT,MACHINE
3439

Frequently Asked Questions

What is NSN 5310-00-737-8340?

NSN 5310-00-737-8340 is a Washer,retaining, 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 5310-00-737-8340?

NSN 5310-00-737-8340 has 7 cross-referenced part numbers: 7378340 (U S Army Tank Automotive Command Amsta-Im-Mm), 3439 (Clark Material Handling Company), 3439 (Clark Equipment Co), 203439 (Clark Equipment Co), 22345J (Diamond Reo Truck Co) and 2 more.

What NSN replaces 5310-00-737-8340?

There are 10 known substitutes for 5310-00-737-8340: 2825-00-146-0128, 5315-00-341-8847, 4820-00-364-8484 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 7378340?

Key specifications for 7378340: General Characteristics Item Description: STEEL,SAE 1016;2.798 IN. MIN,2.808 IN. MAX OD;2.666 IN. PITCH DIA;2.515 IN. MIN,2.525 IN. MAX ROOT DIA;10 SPLINES;16 TEETH;0.010 IN. MAX RADIUS;1.789 IN. MIN,1.795 IN. MAX BORE DIA AFTER BROACHING SPLINES;1.714 IN. MIN,1.724 IN. MAX DIA BEFORE BROACHING SPLINES;0.165 IN. MIN,0.179 IN. MAX THK IN. 1 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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