PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

6711506Washer,flat

Allison Transmission Inc Dba Allison Transmission, Inc · NSN 5310-00-188-3744 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-188-3744 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-188-3744. Primary manufacturer part number: 6711506.
Features
  • Washer,flat — FSC 5310
  • Cross-Sectional Shape Style: RECTANGULAR
  • Center Hole Shape Style: ROUND
  • Surface Finish: 63.0 MICROINCHES BOTTOM
  • Material: STEEL COMP 4130 OVERALL
  • Surface Treatment: NICKEL AND CADMIUM OVERALL
  • Material Document and Classification: AMS 6350 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
  • Surface Finish: 63.0 MICROINCHES TOP
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp 4130 Overall construction
General Description

The Washer,flat, cataloged under National Stock Number 5310-00-188-3744, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Allison Transmission Inc Dba Allison Transmission, Inc. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 11 commercial cross-references from 10 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
NSN5310-00-188-3744
Primary Part Number6711506
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerAllison Transmission Inc Dba Allison Transmission, Inc
StatusCANCELLED
Cross-Sectional Shape StyleRECTANGULAR
Center Hole Shape StyleROUND
Surface Finish63.0 MICROINCHES BOTTOM
MaterialSTEEL COMP 4130 OVERALL
Surface TreatmentNICKEL AND CADMIUM OVERALL
Material Document and ClassificationAMS 6350 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Surface Finish63.0 MICROINCHES TOP
Surface Treatment Document and ClassificationAMS 2416 ASSN STD 1ST TREATMENT RESPONSE OR AMS 2416 ASSN STD 2ND TREATMENT RESPONSE OVERALL
Hardness Rating35.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM
Thickness0.057 INCHES MINIMUM AND 0.067 INCHES MAXIMUM IN
Peripheral Shape StyleROUND
Overall Diameter0.428 INCHES MINIMUM AND 0.448 INCHES MAXIMUM IN
Hole Diameter0.208 INCHES MINIMUM AND 0.223 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 6
3040-01-009-418242639-1 INTERCHANGEABLE
Gearshaft,spur
Undersea Sensor Systems Inc Div Ultra Sonobuoy Systems
4320-01-169-2392 INTERCHANGEABLE
Shaft,transmission,pump
5962-01-203-675742639-1 INTERCHANGEABLE
Microcircuit,digital
Raytheon Company Div Rmd Strategic
5998-01-439-15566711506 INTERCHANGEABLE
Circuit Card Assembly
Naval Sea Systems Command
5310-01-497-4189MS9320-09 INTERCHANGEABLE
Washer,flat
Rolls Royce Corp
5310-01-670-1707 INTERCHANGEABLE
Washer,flat
Cross-Reference Index
Part NumberManufacturer
6711506 Allison Transmission Inc Dba Allison Transmission, Inc (USA)
6711506 General Motors Corp (USA)
938.75.11.309 Pilatus Aircraft Ltd (CHE)
5010325 Embraer Empresa Brasileira De Aeronautica Sa (BRA)
426391 Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA)
MS9320-09 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
92265-9 Eaton Corp Dba Eaton Aerospace Jackson (USA)
AN122581 Aeronautical Standards Group Dept of Navy and Air Force (USA)
5310PL0145268 Jednolity Indeks Materialowy - Uniform Material Index (POL)
5310PL1446759 Jednolity Indeks Materialowy - Uniform Material Index (POL)
5010325 Embraer S.a. (BRA)
Related Parts
3040-01-009-4182INTERCHANGEABLE
GEARSHAFT,SPUR
42639-1
4320-01-169-2392INTERCHANGEABLE
SHAFT,TRANSMISSION,PUMP
5962-01-203-6757INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
42639-1
5998-01-439-1556INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
6711506
5310-01-497-4189INTERCHANGEABLE
WASHER,FLAT
MS9320-09
5310-01-670-1707INTERCHANGEABLE
WASHER,FLAT

Frequently Asked Questions

What is NSN 5310-00-188-3744?

NSN 5310-00-188-3744 is a Washer,flat, manufactured by Allison Transmission Inc Dba Allison Transmission, Inc, classified under FSC 5310 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5310-00-188-3744?

NSN 5310-00-188-3744 has 11 cross-referenced part numbers: 6711506 (Allison Transmission Inc Dba Allison Transmission, Inc), 6711506 (General Motors Corp), 938.75.11.309 (Pilatus Aircraft Ltd), 5010325 (Embraer Empresa Brasileira De Aeronautica Sa), 426391 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney) and 6 more.

What NSN replaces 5310-00-188-3744?

There are 6 known substitutes for 5310-00-188-3744: 3040-01-009-4182, 4320-01-169-2392, 5962-01-203-6757 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 6711506?

Key specifications for 6711506: Cross-Sectional Shape Style: RECTANGULAR; Center Hole Shape Style: ROUND; Surface Finish: 63.0 MICROINCHES BOTTOM; Material: STEEL COMP 4130 OVERALL. 13 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5310-00-188-3744 still in active supply?

NSN 5310-00-188-3744 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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