PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

613949Washer,key

Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney · NSN 5310-01-669-4734 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-01-669-4734 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-669-4734. Primary manufacturer part number: 613949.
Features
  • Washer,key — FSC 5310
  • Reference Number Differentiating Characteristics: ITEM IS FAA CERTIFIED
  • 1 verified cross-reference
  • Primary manufacturer: Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Washer,key, cataloged under National Stock Number 5310-01-669-4734, 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 1 verified specification, 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. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-01-669-4734
Primary Part Number613949
Item NameWasher,key
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerRtx Corporation Dba Pratt & Whitney Div Pratt &whitney
StatusACTIVE
Reference Number Differentiating CharacteristicsITEM IS FAA CERTIFIED
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5310-00-369-5810613949 INTERCHANGEABLE
Washer,key
Rtx Corporation Div Pratt & Whitney
5985-00-669-72156588 INTERCHANGEABLE
Shutter,waveguide
Cpi Electron Device Business, Inc.
Cross-Reference Index
Part NumberManufacturer
613949 Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA)
Related Parts
5310-00-369-5810INTERCHANGEABLE
WASHER,KEY
613949
5985-00-669-7215INTERCHANGEABLE
SHUTTER,WAVEGUIDE
6588

Frequently Asked Questions

What is NSN 5310-01-669-4734?

NSN 5310-01-669-4734 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 5310-01-669-4734?

NSN 5310-01-669-4734 has 1 cross-referenced part number: 613949 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).

What NSN replaces 5310-01-669-4734?

There are 2 known substitutes for 5310-01-669-4734: 5310-00-369-5810, 5985-00-669-7215. Verify interchangeability with system specifications before substitution.

What are the specifications of 613949?

Key specifications for 613949: Reference Number Differentiating Characteristics: ITEM IS FAA CERTIFIED; End Item Identification: KC-46A AIRCRAFT A. 2 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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