PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

22618Washer,recessed

Williams International Co., L.l.c. · NSN 5310-01-142-0691 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-01-142-0691 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-142-0691. Primary manufacturer part number: 22618.
Features
  • Washer,recessed — FSC 5310
  • Style Designator: RECESSED
  • Surface Treatment Document and Classification: QQ-S-365 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
  • Hole Diameter: 0.441 INCHES MINIMUM AND 0.451 INCHES MAXIMUM IN
  • Surface Treatment: NICKEL AND SILVER OVERALL
  • Material: STEEL COMP 304 OVERALL
  • Material Thickness: 0.020 INCHES NOMINAL IN
  • Outside Diameter: 0.622 INCHES MINIMUM AND 0.626 INCHES MAXIMUM IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp 304 Overall construction
General Description

The Washer,recessed, cataloged under National Stock Number 5310-01-142-0691, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Williams International Co., L.l.c.. 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. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-01-142-0691
Primary Part Number22618
Item NameWasher,recessed
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerWilliams International Co., L.l.c.
StatusACTIVE
Style DesignatorRECESSED
Surface Treatment Document and ClassificationQQ-S-365 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
Hole Diameter0.441 INCHES MINIMUM AND 0.451 INCHES MAXIMUM IN
Surface TreatmentNICKEL AND SILVER OVERALL
MaterialSTEEL COMP 304 OVERALL
Material Thickness0.020 INCHES NOMINAL IN
Outside Diameter0.622 INCHES MINIMUM AND 0.626 INCHES MAXIMUM IN
Recess Depth0.110 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
3110-00-005-6184 INTERCHANGEABLE
Bearing,ball,annular
4820-00-036-1507N22618 INTERCHANGEABLE
Bottom,cylinder
Leslie Controls, Inc. Dba Leslie Controls Inc
5315-00-044-419422618 INTERCHANGEABLE
Pin,straight,headless
Mid-America Aerotech, Llc
5915-00-091-362022618 INTERCHANGEABLE
Filter,band Pass
L3harris Technologies, Inc. Div Space and Airborne Systems
3110-00-100-061514434P11 INTERCHANGEABLE
Cup,tapered Roller Bearing
Taylor Machine Works Inc
3455-00-540-1988 INTERCHANGEABLE
Reamer,machine
5920-01-146-2111LPC22618 INTERCHANGEABLE
Arrester,electrical Surge
Lightning Protection Corporation
1650-01-320-644822618 INTERCHANGEABLE
Piston,linear Actuating Cylinder
Parker Hannifin Corporation Div Hydraulic Systems Division
Cross-Reference Index
Part NumberManufacturer
22618 PRIMARY Williams International Co., L.l.c. (USA)
22618 Parts Life Inc (USA)
Related Parts
3110-00-005-6184INTERCHANGEABLE
BEARING,BALL,ANNULAR
4820-00-036-1507INTERCHANGEABLE
BOTTOM,CYLINDER
N22618
5315-00-044-4194INTERCHANGEABLE
PIN,STRAIGHT,HEADLESS
22618
5915-00-091-3620INTERCHANGEABLE
FILTER,BAND PASS
22618
3110-00-100-0615INTERCHANGEABLE
CUP,TAPERED ROLLER BEARING
14434P11
3455-00-540-1988INTERCHANGEABLE
REAMER,MACHINE
5920-01-146-2111INTERCHANGEABLE
ARRESTER,ELECTRICAL SURGE
LPC22618
1650-01-320-6448INTERCHANGEABLE
PISTON,LINEAR ACTUATING CYLINDER
22618

Frequently Asked Questions

What is NSN 5310-01-142-0691?

NSN 5310-01-142-0691 is a Washer,recessed, manufactured by Williams International Co., L.l.c., classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-01-142-0691?

NSN 5310-01-142-0691 has 2 cross-referenced part numbers: 22618 (Williams International Co., L.l.c.), 22618 (Parts Life Inc).

What NSN replaces 5310-01-142-0691?

There are 8 known substitutes for 5310-01-142-0691: 3110-00-005-6184, 4820-00-036-1507, 5315-00-044-4194 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 22618?

Key specifications for 22618: Style Designator: RECESSED; Surface Treatment Document and Classification: QQ-S-365 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Hole Diameter: 0.441 INCHES MINIMUM AND 0.451 INCHES MAXIMUM IN; Surface Treatment: NICKEL AND SILVER OVERALL. 10 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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