PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2665Washer,shouldered

Dialight Corporation · NSN 5310-00-998-5039 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-998-5039 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-998-5039. Primary manufacturer part number: 2665.
Features
  • Washer,shouldered — FSC 5310
  • Hole Diameter: 0.172 INCHES NOMINAL IN
  • Material: PLASTIC POLYAMIDE NYLON OVERALL
  • Style Designator: SHOULDERED
  • Shoulder Height: 0.031 INCHES NOMINAL IN
  • Shoulder Diameter: 0.246 INCHES NOMINAL IN
  • Outside Diameter: 0.375 INCHES NOMINAL IN
  • Material Thickness: 0.062 INCHES NOMINAL IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Plastic Polyamide Nylon Overall construction
General Description

The Washer,shouldered, cataloged under National Stock Number 5310-00-998-5039, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Dialight Corporation. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 7 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-00-998-5039
Primary Part Number2665
Item NameWasher,shouldered
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerDialight Corporation
StatusACTIVE
Hole Diameter0.172 INCHES NOMINAL IN
MaterialPLASTIC POLYAMIDE NYLON OVERALL
Style DesignatorSHOULDERED
Shoulder Height0.031 INCHES NOMINAL IN
Shoulder Diameter0.246 INCHES NOMINAL IN
Outside Diameter0.375 INCHES NOMINAL IN
Material Thickness0.062 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5310-00-326-4515NAS463YC516H INTERCHANGEABLE
Nut Spacer,plate
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5110-00-373-1691DWG5110-00-373-1691 INTERCHANGEABLE
File,thread Restorer
General Services Administration Federal Supply Service
5360-00-428-478726656 INTERCHANGEABLE
Spring,helical,extension
Briggs and Stratton Corp
2520-00-615-60523-1-3291 INTERCHANGEABLE
Flange,companion,vehicular Unive
Dana Commercial Vehicle Manufacturing, Llc Dba Dana Commercial Vehicle Products
5975-00-874-69501047-417D2 INTERCHANGEABLE
Rod,ground
Northrop Grumman Systems Corp Dba Northrop Grumman Systems Corp
6240-00-898-9190 INTERCHANGEABLE
Lamp,flashtube
4820-01-004-512905002-01 INTERCHANGEABLE
Disk,valve
The Oilgear Company Dba Jiffy Lube 213 Div Oilgear
3010-01-217-87292665 INTERCHANGEABLE
Actuator,pneumatic
Catching Engineering Co
3120-01-263-61322665 INTERCHANGEABLE
Roller,linear-Rotary Motion
Lebus International, Inc.
5998-01-327-74062665 INTERCHANGEABLE
Extractor,electrical Card
Lockheed Martin Corporation
Cross-Reference Index
Part NumberManufacturer
7571864P6 Lockheed Martin Corp Naval Electronics & Surveillance Systems (USA)
101-2131-1 Behlman Electronics, Inc (USA)
2665 Halsit Holdings Llc Div Halsit Holdings, Llc Dba Abbatron (USA)
GEX0102-7 Power Quip Inc (USA)
12SWS0818 Micro Plastics Inc (USA)
101-2131-1 Ail Systems Inc Sub of Eaton Corp (USA)
2665 PRIMARY Dialight Corporation (USA)
Related Parts
5310-00-326-4515INTERCHANGEABLE
NUT SPACER,PLATE
NAS463YC516H
5110-00-373-1691INTERCHANGEABLE
FILE,THREAD RESTORER
DWG5110-00-373-1691
5360-00-428-4787INTERCHANGEABLE
SPRING,HELICAL,EXTENSION
26656
2520-00-615-6052INTERCHANGEABLE
FLANGE,COMPANION,VEHICULAR UNIVE
3-1-3291
5975-00-874-6950INTERCHANGEABLE
ROD,GROUND
1047-417D2
6240-00-898-9190INTERCHANGEABLE
LAMP,FLASHTUBE
4820-01-004-5129INTERCHANGEABLE
DISK,VALVE
05002-01
3010-01-217-8729INTERCHANGEABLE
ACTUATOR,PNEUMATIC
2665
3120-01-263-6132INTERCHANGEABLE
ROLLER,LINEAR-ROTARY MOTION
2665
5998-01-327-7406INTERCHANGEABLE
EXTRACTOR,ELECTRICAL CARD
2665
4820-01-425-0374INTERCHANGEABLE
VALVE,GLOBE
2100
5136-01-431-6481INTERCHANGEABLE
TAP SET,THREAD CUTTING

Frequently Asked Questions

What is NSN 5310-00-998-5039?

NSN 5310-00-998-5039 is a Washer,shouldered, manufactured by Dialight Corporation, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-998-5039?

NSN 5310-00-998-5039 has 7 cross-referenced part numbers: 7571864P6 (Lockheed Martin Corp Naval Electronics & Surveillance Systems), 101-2131-1 (Behlman Electronics, Inc), 2665 (Halsit Holdings Llc Div Halsit Holdings, Llc Dba Abbatron), GEX0102-7 (Power Quip Inc), 12SWS0818 (Micro Plastics Inc) and 2 more.

What NSN replaces 5310-00-998-5039?

There are 12 known substitutes for 5310-00-998-5039: 5310-00-326-4515, 5110-00-373-1691, 5360-00-428-4787 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 2665?

Key specifications for 2665: Hole Diameter: 0.172 INCHES NOMINAL IN; Material: PLASTIC POLYAMIDE NYLON OVERALL; Style Designator: SHOULDERED; Shoulder Height: 0.031 INCHES NOMINAL IN. 7 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com