PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

678333Washer,key

Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney · NSN 5310-00-150-3612 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-150-3612 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-150-3612. Primary manufacturer part number: 678333.
Features
  • Washer,key — FSC 5310
  • Hole Diameter: 0.958 INCHES MINIMUM AND 0.978 INCHES MAXIMUM IN
  • Material Document and Classification: AMS5510 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
  • Outside Diameter: 1.220 INCHES MINIMUM AND 1.250 INCHES MAXIMUM IN
  • Material Thickness: 0.027 INCHES MINIMUM AND 0.035 INCHES MAXIMUM IN
  • Internal Key Quantity: 3
  • Material: STEEL COMP 321 OVERALL
  • 6 verified cross-references
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp 321 Overall construction
General Description

The Washer,key, cataloged under National Stock Number 5310-00-150-3612, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney. Government technical data includes 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-00-150-3612
Primary Part Number678333
Item NameWasher,key
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerRtx Corporation Dba Pratt & Whitney Div Pratt &whitney
StatusACTIVE
Hole Diameter0.958 INCHES MINIMUM AND 0.978 INCHES MAXIMUM IN
Material Document and ClassificationAMS5510 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Outside Diameter1.220 INCHES MINIMUM AND 1.250 INCHES MAXIMUM IN
Material Thickness0.027 INCHES MINIMUM AND 0.035 INCHES MAXIMUM IN
Internal Key Quantity3
MaterialSTEEL COMP 321 OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
4010-01-417-9033678333 INTERCHANGEABLE
Chain,welded
Columbus Mckinnon Corp
Cross-Reference Index
Part NumberManufacturer
678333 Enjet Aero Manchester Llc (USA)
678333 Turbo Power & Marine System Inc Sub of United Technologies Corp (USA)
678333 PRIMARY Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA)
678333 Gould E a and Co (USA)
678333 Dynamic Gunver Technologies Llc (USA)
678333 Paradigm Manchester Inc. Dba Pursuit Aerospace (USA)
Related Parts
4010-01-417-9033INTERCHANGEABLE
CHAIN,WELDED
678333

Frequently Asked Questions

What is NSN 5310-00-150-3612?

NSN 5310-00-150-3612 is a Washer,key, manufactured by Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-150-3612?

NSN 5310-00-150-3612 has 6 cross-referenced part numbers: 678333 (Enjet Aero Manchester Llc), 678333 (Turbo Power & Marine System Inc Sub of United Technologies Corp), 678333 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney), 678333 (Gould E a and Co), 678333 (Dynamic Gunver Technologies Llc) and 1 more.

What NSN replaces 5310-00-150-3612?

There is 1 known substitute for 5310-00-150-3612: 4010-01-417-9033. Verify interchangeability with system specifications before substitution.

What are the specifications of 678333?

Key specifications for 678333: Hole Diameter: 0.958 INCHES MINIMUM AND 0.978 INCHES MAXIMUM IN; Material Document and Classification: AMS5510 ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Outside Diameter: 1.220 INCHES MINIMUM AND 1.250 INCHES MAXIMUM IN; Material Thickness: 0.027 INCHES MINIMUM AND 0.035 INCHES MAXIMUM IN. 6 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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