PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

7411378Washer,key

U S Army Tank Automotive Command Amsta-Im-Mm · NSN 5310-00-741-1378 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-741-1378 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-741-1378. Primary manufacturer part number: 7411378.
Features
  • Washer,key — FSC 5310
  • Material Document and Classification: QQ-S-698 TP 2 FED SPEC 1ST MATERIAL RESPONSE OR QQ-S-698 TP 2 FED SPEC 2ND MATERIAL RESPONSE OR QQ-698 TP 2 FED SPEC 3RD MATERIAL RESPONSE OR QQ-S-698 TP 2 FED SPEC 4TH MATERIAL RESPONSE OR QQ-S-698 TP 2 FED SPEC 5TH MATERIAL RESPONSE OR QQ-S-698 T+2 FED SPEC 6TH MATERIAL RESPONSE OR QQ-S-698 TP 5 FED SPEC 7TH MATERIAL RESPONSE OVERALL
  • Style Designator: KEY
  • Material: STEEL COMP 1008 OR STEEL COMP 1009 OR STEEL COMP 1010 OR STEEL COMP 1015 OR STEEL COMP 1018 OR STEEL COMP 1020 OR STEEL OVERALL
  • Outside Diameter: 3.375 INCHES NOMINAL IN
  • Internal Key Quantity: 1
  • Distance From Centerline to Top of Internal Key: 1.185 INCHES NOMINAL IN
  • External Key Quantity: 11
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp 1008 or Steel Comp 1009 or Steel Comp 1010 or Steel Comp 1015 or Steel Comp 1018 or Steel Comp 1020 or Steel Overall construction
General Description

The Washer,key, cataloged under National Stock Number 5310-00-741-1378, 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 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 8 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5310-00-741-1378
Primary Part Number7411378
Item NameWasher,key
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerU S Army Tank Automotive Command Amsta-Im-Mm
StatusCANCELLED
Material Document and ClassificationQQ-S-698 TP 2 FED SPEC 1ST MATERIAL RESPONSE OR QQ-S-698 TP 2 FED SPEC 2ND MATERIAL RESPONSE OR QQ-698 TP 2 FED SPEC 3RD MATERIAL RESPONSE OR QQ-S-698 TP 2 FED SPEC 4TH MATERIAL RESPONSE OR QQ-S-698 TP 2 FED SPEC 5TH MATERIAL RESPONSE OR QQ-S-698 T+2 FED SPEC 6TH MATERIAL RESPONSE OR QQ-S-698 TP 5 FED SPEC 7TH MATERIAL RESPONSE OVERALL
Style DesignatorKEY
MaterialSTEEL COMP 1008 OR STEEL COMP 1009 OR STEEL COMP 1010 OR STEEL COMP 1015 OR STEEL COMP 1018 OR STEEL COMP 1020 OR STEEL OVERALL
Outside Diameter3.375 INCHES NOMINAL IN
Internal Key Quantity1
Distance From Centerline to Top of Internal Key1.185 INCHES NOMINAL IN
External Key Quantity11
Overall Distance Including Keys3.875 INCHES NOMINAL IN
External Straight Key Width0.438 INCHES NOMINAL IN
Material Thickness0.060 INCHES NOMINAL IN
Hole Diameter2.650 INCHES MINIMUM AND 2.660 INCHES MAXIMUM IN
Internal Straight Key Width0.335 INCHES MINIMUM AND 0.350 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 6
2540-00-123-72361209-0014D INTERCHANGEABLE
Channel,lift,vehicle Window Glas
Cmc of Georgia, Inc.
5133-00-988-5701 INTERCHANGEABLE
Drill,twist
3120-01-053-019120914 INTERCHANGEABLE
Bushing,crank
Eaton Corporation Dba Eaton Inoac
4720-01-631-7065 INTERCHANGEABLE
Hose Assembly,nonmetallic
5315-01-706-123017-A5874 INTERCHANGEABLE
Pin,tapered,threaded
Rix Industries
5305-01-706-1940040381-01 INTERCHANGEABLE
Screw,cap,socket Head
Rix Industries
Cross-Reference Index
Part NumberManufacturer
7411378 Schutt Industries of Clintonville, Wis., Inc. Div Schutt Industries of Clintonville, Wi Inc. (USA)
1H227571D Eagle Mfg Co (USA)
20-914 Pdi Ground Support Systems, Inc. (USA)
5310007411378 E.c.a Etablissement Centrald'approvisionnement Des Forces Armee
2275710 General Motors Corp (USA)
7411378 PRIMARY U S Army Tank Automotive Command Amsta-Im-Mm (USA)
2275710 Military Vehicles Opn General Motors Truck and Bus Group Ms 2603-02 (USA)
2275710 General Motors Llc Dba General Motors Llc (USA)
Related Parts
2540-00-123-7236INTERCHANGEABLE
CHANNEL,LIFT,VEHICLE WINDOW GLAS
1209-0014D
5133-00-988-5701INTERCHANGEABLE
DRILL,TWIST
3120-01-053-0191INTERCHANGEABLE
BUSHING,CRANK
20914
4720-01-631-7065INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC
5315-01-706-1230INTERCHANGEABLE
PIN,TAPERED,THREADED
17-A5874
5305-01-706-1940INTERCHANGEABLE
SCREW,CAP,SOCKET HEAD
040381-01

Frequently Asked Questions

What is NSN 5310-00-741-1378?

NSN 5310-00-741-1378 is a Washer,key, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 5310 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5310-00-741-1378?

NSN 5310-00-741-1378 has 8 cross-referenced part numbers: 7411378 (Schutt Industries of Clintonville, Wis., Inc. Div Schutt Industries of Clintonville, Wi Inc.), 1H227571D (Eagle Mfg Co), 20-914 (Pdi Ground Support Systems, Inc.), 5310007411378 (E.c.a Etablissement Centrald'approvisionnement Des Forces Armee), 2275710 (General Motors Corp) and 3 more.

What NSN replaces 5310-00-741-1378?

There are 6 known substitutes for 5310-00-741-1378: 2540-00-123-7236, 5133-00-988-5701, 3120-01-053-0191 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 7411378?

Key specifications for 7411378: Material Document and Classification: QQ-S-698 TP 2 FED SPEC 1ST MATERIAL RESPONSE OR QQ-S-698 TP 2 FED SPEC 2ND MATERIAL RESPONSE OR QQ-698 TP 2 FED SPEC 3RD MATERIAL RESPONSE OR QQ-S-698 TP 2 FED SPEC 4TH MATERIAL RESPONSE OR QQ-S-698 TP 2 FED SPEC 5TH MATERIAL RESPONSE OR QQ-S-698 T+2 FED SPEC 6TH MATERIAL RESPONSE OR QQ-S-698 TP 5 FED SPEC 7TH MATERIAL RESPONSE OVERALL; Style Designator: KEY; Material: STEEL COMP 1008 OR STEEL COMP 1009 OR STEEL COMP 1010 OR STEEL COMP 1015 OR STEEL COMP 1018 OR STEEL COMP 1020 OR STEEL OVERALL; Outside Diameter: 3.375 INCHES NOMINAL IN. 13 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5310-00-741-1378 still in active supply?

NSN 5310-00-741-1378 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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