PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

46149Washer,lock

Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp. · NSN 5310-00-474-3350 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-474-3350 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-474-3350. Primary manufacturer part number: 46149.
Features
  • Washer,lock — FSC 5310
  • Style Designator: FLAT INTERNAL TEETH
  • Material: STEEL OVERALL
  • Hardness Rating: 32.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM
  • Hole Diameter: 1.369 INCHES MINIMUM AND 1.373 INCHES MAXIMUM IN
  • Features Provided: CASEHARDENED
  • Material Document and Classification: N0.815 MFR REF SINGLE MATERIAL RESPONSE OVERALL
  • Material Thickness: 0.078 INCHES MINIMUM AND 0.080 INCHES MAXIMUM IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Overall construction
General Description

The Washer,lock, cataloged under National Stock Number 5310-00-474-3350, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-00-474-3350
Primary Part Number46149
Item NameWasher,lock
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerPratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.
StatusACTIVE
Style DesignatorFLAT INTERNAL TEETH
MaterialSTEEL OVERALL
Hardness Rating32.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM
Hole Diameter1.369 INCHES MINIMUM AND 1.373 INCHES MAXIMUM IN
Features ProvidedCASEHARDENED
Material Document and ClassificationN0.815 MFR REF SINGLE MATERIAL RESPONSE OVERALL
Material Thickness0.078 INCHES MINIMUM AND 0.080 INCHES MAXIMUM IN
Outside Diameter1.910 INCHES MINIMUM AND 1.915 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5133-00-266-9472 INTERCHANGEABLE
Drill,twist
5975-00-665-1297 INTERCHANGEABLE
Rack,electrical Equipment
2920-01-109-2733 INTERCHANGEABLE
Distributor
1650-01-422-876646149 INTERCHANGEABLE
Cap,manifold,v,aircraft
Eaton Aerospace Llc Dba Eaton Aerospace Jackson
1005-01-659-935746149 INTERCHANGEABLE
Cover,gun
Fn America Llc Div Columbia, Sc
Cross-Reference Index
Part NumberManufacturer
46149 PRIMARY Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp. (CAN)
Related Parts
5133-00-266-9472INTERCHANGEABLE
DRILL,TWIST
5975-00-665-1297INTERCHANGEABLE
RACK,ELECTRICAL EQUIPMENT
2920-01-109-2733INTERCHANGEABLE
DISTRIBUTOR
1650-01-422-8766INTERCHANGEABLE
CAP,MANIFOLD,V,AIRCRAFT
46149
1005-01-659-9357INTERCHANGEABLE
COVER,GUN
46149

Frequently Asked Questions

What is NSN 5310-00-474-3350?

NSN 5310-00-474-3350 is a Washer,lock, manufactured by Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp., classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-474-3350?

NSN 5310-00-474-3350 has 1 cross-referenced part number: 46149 (Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.).

What NSN replaces 5310-00-474-3350?

There are 5 known substitutes for 5310-00-474-3350: 5133-00-266-9472, 5975-00-665-1297, 2920-01-109-2733 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 46149?

Key specifications for 46149: Style Designator: FLAT INTERNAL TEETH; Material: STEEL OVERALL; Hardness Rating: 32.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM; Hole Diameter: 1.369 INCHES MINIMUM AND 1.373 INCHES MAXIMUM IN. 8 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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