PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

11618Washer,flat

Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney · NSN 5310-01-669-4714 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-01-669-4714 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-669-4714. Primary manufacturer part number: 11618.
Features
  • Washer,flat — 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,flat, cataloged under National Stock Number 5310-01-669-4714, 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. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-01-669-4714
Primary Part Number11618
Item NameWasher,flat
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 4
5310-00-216-311611618 INTERCHANGEABLE
Washer,flat
Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney
4730-00-474-169811618 INTERCHANGEABLE
Reducer,boss
Hydro-Aire Aerospace Corp
5340-01-118-486011618 INTERCHANGEABLE
Damper,shimmy
Westerbeke Corporation
5330-01-348-835111618 INTERCHANGEABLE
Gasket
W.w. Grainger, Inc. Div Government Sales Division
Cross-Reference Index
Part NumberManufacturer
11618 Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA)
Related Parts
5310-00-216-3116INTERCHANGEABLE
WASHER,FLAT
11618
4730-00-474-1698INTERCHANGEABLE
REDUCER,BOSS
11618
5340-01-118-4860INTERCHANGEABLE
DAMPER,SHIMMY
11618
5330-01-348-8351INTERCHANGEABLE
GASKET
11618

Frequently Asked Questions

What is NSN 5310-01-669-4714?

NSN 5310-01-669-4714 is a Washer,flat, 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 5310-01-669-4714?

NSN 5310-01-669-4714 has 1 cross-referenced part number: 11618 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).

What NSN replaces 5310-01-669-4714?

There are 4 known substitutes for 5310-01-669-4714: 5310-00-216-3116, 4730-00-474-1698, 5340-01-118-4860 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 11618?

Key specifications for 11618: 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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