PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2668Washer,shouldered

Halsit Holdings Llc Div Halsit Holdings, Llc Dba Abbatron · NSN 5310-00-883-9455 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-883-9455 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-883-9455. Primary manufacturer part number: 2668.
Features
  • Washer,shouldered — FSC 5310
  • Outside Diameter: 0.615 INCHES MINIMUM AND 0.635 INCHES MAXIMUM IN
  • Material: PLASTIC POLYHEXAMETHYLENE AMIDE OVERALL
  • Material Document and Classification: MIL-M-20693,TY 1 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
  • Hole Diameter: 0.385 INCHES MINIMUM AND 0.390 INCHES MAXIMUM IN
  • Shoulder Height: 0.026 INCHES MINIMUM AND 0.036 INCHES MAXIMUM IN
  • Shoulder Diameter: 0.492 INCHES MINIMUM AND 0.498 INCHES MAXIMUM IN
  • Material Thickness: 0.057 INCHES MINIMUM AND 0.067 INCHES MAXIMUM IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Plastic Polyhexamethylene Amide Overall construction
General Description

The Washer,shouldered, cataloged under National Stock Number 5310-00-883-9455, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Halsit Holdings Llc Div Halsit Holdings, Llc Dba Abbatron. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-00-883-9455
Primary Part Number2668
Item NameWasher,shouldered
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerHalsit Holdings Llc Div Halsit Holdings, Llc Dba Abbatron
StatusACTIVE
Outside Diameter0.615 INCHES MINIMUM AND 0.635 INCHES MAXIMUM IN
MaterialPLASTIC POLYHEXAMETHYLENE AMIDE OVERALL
Material Document and ClassificationMIL-M-20693,TY 1 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
Hole Diameter0.385 INCHES MINIMUM AND 0.390 INCHES MAXIMUM IN
Shoulder Height0.026 INCHES MINIMUM AND 0.036 INCHES MAXIMUM IN
Shoulder Diameter0.492 INCHES MINIMUM AND 0.498 INCHES MAXIMUM IN
Material Thickness0.057 INCHES MINIMUM AND 0.067 INCHES MAXIMUM IN
Style DesignatorSHOULDERED
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
5950-00-064-83162668 INTERCHANGEABLE
Transformer,audio Frequency
Entron Industries Limited Partnership Dba Entron Industries Property Div
3110-00-159-945907196 INTERCHANGEABLE
Cup,tapered Roller Bearing
The Timken Corporation
5998-00-276-06032668 INTERCHANGEABLE
Circuit Card Assembly
Mission Systems Davenport Inc.
4820-00-319-111511-314-135 INTERCHANGEABLE
Valve,relief,pressure and Temper
Fairbanks Morse, Llc
2940-00-362-12591089422 INTERCHANGEABLE
Cover Oil Filter As
Chrysler Realty Company Llc Dba Daimler Chrysler
5950-00-683-31792668 INTERCHANGEABLE
Reactor
Precision Electronics, Inc
3120-01-239-54152668 INTERCHANGEABLE
Roller,linear-Rotary Motion
Lebus International, Inc.
2540-01-245-39142668 INTERCHANGEABLE
Pump,window Washer
Moog Automotive Inc
4720-01-614-6001266-8 INTERCHANGEABLE
Hose Assembly,nonmetallic
Parker-Hannifin Corporation Dba Pneutronics Div Hose Products Division
Cross-Reference Index
Part NumberManufacturer
2668 Dialight Corporation (USA)
2668 PRIMARY Halsit Holdings Llc Div Halsit Holdings, Llc Dba Abbatron (USA)
2800-27-0004 Wavetek U S Inc Div of Wavetek Corp (USA)
Related Parts
5950-00-064-8316INTERCHANGEABLE
TRANSFORMER,AUDIO FREQUENCY
2668
3110-00-159-9459INTERCHANGEABLE
CUP,TAPERED ROLLER BEARING
07196
5998-00-276-0603INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
2668
4820-00-319-1115INTERCHANGEABLE
VALVE,RELIEF,PRESSURE AND TEMPER
11-314-135
2940-00-362-1259INTERCHANGEABLE
COVER OIL FILTER AS
1089422
5950-00-683-3179INTERCHANGEABLE
REACTOR
2668
3120-01-239-5415INTERCHANGEABLE
ROLLER,LINEAR-ROTARY MOTION
2668
2540-01-245-3914INTERCHANGEABLE
PUMP,WINDOW WASHER
2668
4720-01-614-6001INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC
266-8

Frequently Asked Questions

What is NSN 5310-00-883-9455?

NSN 5310-00-883-9455 is a Washer,shouldered, manufactured by Halsit Holdings Llc Div Halsit Holdings, Llc Dba Abbatron, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-883-9455?

NSN 5310-00-883-9455 has 3 cross-referenced part numbers: 2668 (Dialight Corporation), 2668 (Halsit Holdings Llc Div Halsit Holdings, Llc Dba Abbatron), 2800-27-0004 (Wavetek U S Inc Div of Wavetek Corp).

What NSN replaces 5310-00-883-9455?

There are 9 known substitutes for 5310-00-883-9455: 5950-00-064-8316, 3110-00-159-9459, 5998-00-276-0603 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 2668?

Key specifications for 2668: Outside Diameter: 0.615 INCHES MINIMUM AND 0.635 INCHES MAXIMUM IN; Material: PLASTIC POLYHEXAMETHYLENE AMIDE OVERALL; Material Document and Classification: MIL-M-20693,TY 1 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL; Hole Diameter: 0.385 INCHES MINIMUM AND 0.390 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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