PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

48523Washer,recessed

Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp. · NSN 5310-00-148-4680 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-148-4680 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-148-4680. Primary manufacturer part number: 48523.
Features
  • Washer,recessed — FSC 5310
  • Style Designator: RECESSED
  • Material: COPPER ALLOY OVERALL
  • Material Document and Classification: AMS 4846 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
  • Recess Diameter: 1.020 INCHES MINIMUM AND 1.025 INCHES MAXIMUM IN
  • Recess Angle: 88.0 DEGREES MINIMUM AND 92.0 DEGREES MAXIMUM
  • Outside Diameter: 1.615 INCHES MINIMUM AND 1.635 INCHES MAXIMUM IN
  • Material Thickness: 0.061 INCHES MINIMUM AND 0.063 INCHES MAXIMUM IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Copper Alloy Overall construction
General Description

The Washer,recessed, cataloged under National Stock Number 5310-00-148-4680, 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 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-00-148-4680
Primary Part Number48523
Item NameWasher,recessed
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerPratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.
StatusACTIVE
Style DesignatorRECESSED
MaterialCOPPER ALLOY OVERALL
Material Document and ClassificationAMS 4846 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Recess Diameter1.020 INCHES MINIMUM AND 1.025 INCHES MAXIMUM IN
Recess Angle88.0 DEGREES MINIMUM AND 92.0 DEGREES MAXIMUM
Outside Diameter1.615 INCHES MINIMUM AND 1.635 INCHES MAXIMUM IN
Material Thickness0.061 INCHES MINIMUM AND 0.063 INCHES MAXIMUM IN
Hole Diameter0.960 INCHES MINIMUM AND 0.965 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5995-01-426-680448523 INTERCHANGEABLE
Cable Assembly,special Purpose,e
Motorola/codex Corp Sub of Motorola Inc
5133-01-460-028740023 INTERCHANGEABLE
Drill,twist
Precision Twist Drill Co
Cross-Reference Index
Part NumberManufacturer
48523 Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA)
48523 PRIMARY Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp. (CAN)
Related Parts
5995-01-426-6804INTERCHANGEABLE
CABLE ASSEMBLY,SPECIAL PURPOSE,E
48523
5133-01-460-0287INTERCHANGEABLE
DRILL,TWIST
40023

Frequently Asked Questions

What is NSN 5310-00-148-4680?

NSN 5310-00-148-4680 is a Washer,recessed, 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 5310-00-148-4680?

NSN 5310-00-148-4680 has 2 cross-referenced part numbers: 48523 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney), 48523 (Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.).

What NSN replaces 5310-00-148-4680?

There are 2 known substitutes for 5310-00-148-4680: 5995-01-426-6804, 5133-01-460-0287. Verify interchangeability with system specifications before substitution.

What are the specifications of 48523?

Key specifications for 48523: Style Designator: RECESSED; Material: COPPER ALLOY OVERALL; Material Document and Classification: AMS 4846 ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Recess Diameter: 1.020 INCHES MINIMUM AND 1.025 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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