PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2669Washer,shouldered

Halsit Holdings Llc Div Halsit Holdings, Llc Dba Abbatron · NSN 5310-00-857-5694 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-857-5694 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-857-5694. Primary manufacturer part number: 2669.
Features
  • Washer,shouldered — FSC 5310
  • Material Document and Classification: MIL-P-20693A TYPE 1 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL A
  • Style Designator: SHOULDERED
  • Shoulder Height: 0.021 INCHES MINIMUM AND 0.041 INCHES MAXIMUM IN
  • Outside Diameter: 0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN
  • Shoulder Diameter: 0.360 INCHES MINIMUM AND 0.365 INCHES MAXIMUM IN
  • Material Thickness: 0.066 INCHES NOMINAL IN
  • Hole Diameter: 0.265 INCHES MINIMUM AND 0.270 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 5310-00-857-5694, 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
NSN5310-00-857-5694
Primary Part Number2669
Item NameWasher,shouldered
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerHalsit Holdings Llc Div Halsit Holdings, Llc Dba Abbatron
StatusACTIVE
Material Document and ClassificationMIL-P-20693A TYPE 1 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL A
Style DesignatorSHOULDERED
Shoulder Height0.021 INCHES MINIMUM AND 0.041 INCHES MAXIMUM IN
Outside Diameter0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN
Shoulder Diameter0.360 INCHES MINIMUM AND 0.365 INCHES MAXIMUM IN
Material Thickness0.066 INCHES NOMINAL IN
Hole Diameter0.265 INCHES MINIMUM AND 0.270 INCHES MAXIMUM IN
MaterialPLASTIC POLYHEXAMETHYLENE AMIDE OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
5310-00-011-4649 INTERCHANGEABLE
Washer,lock
5120-00-030-27385120-00-030-2738 INTERCHANGEABLE
Wrench,drain Plug
General Services Administration Federal Supply Service
5950-00-241-1790 INTERCHANGEABLE
Transformer,radio Frequency
5985-00-501-64662669 INTERCHANGEABLE
Attenuator,variable
Meggitt (new Hampshire), Inc
4940-00-542-0002MX1761U INTERCHANGEABLE
Enclosure,electromagnetic Shield
Joint Electronics Type Designation System
5310-00-638-43172669 INTERCHANGEABLE
Washer,lock
Telemechanics Inc
3120-01-239-54162669 INTERCHANGEABLE
Roller,linear-Rotary Motion
Lebus International, Inc.
2940-01-257-159342669 INTERCHANGEABLE
Filter Element,intake Air Cleane
Wix Corp
5330-01-435-7230 INTERCHANGEABLE
Seal,plain
Cross-Reference Index
Part NumberManufacturer
2669 Dialight Corporation (USA)
2669 PRIMARY Halsit Holdings Llc Div Halsit Holdings, Llc Dba Abbatron (USA)
100063-008 Cipher Data Products Inc (USA)
Related Parts
5310-00-011-4649INTERCHANGEABLE
WASHER,LOCK
5120-00-030-2738INTERCHANGEABLE
WRENCH,DRAIN PLUG
5120-00-030-2738
5950-00-241-1790INTERCHANGEABLE
TRANSFORMER,RADIO FREQUENCY
5985-00-501-6466INTERCHANGEABLE
ATTENUATOR,VARIABLE
2669
4940-00-542-0002INTERCHANGEABLE
ENCLOSURE,ELECTROMAGNETIC SHIELD
MX1761U
5310-00-638-4317INTERCHANGEABLE
WASHER,LOCK
2669
3120-01-239-5416INTERCHANGEABLE
ROLLER,LINEAR-ROTARY MOTION
2669
2940-01-257-1593INTERCHANGEABLE
FILTER ELEMENT,INTAKE AIR CLEANE
42669
5330-01-435-7230INTERCHANGEABLE
SEAL,PLAIN

Frequently Asked Questions

What is NSN 5310-00-857-5694?

NSN 5310-00-857-5694 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 5310-00-857-5694?

NSN 5310-00-857-5694 has 3 cross-referenced part numbers: 2669 (Dialight Corporation), 2669 (Halsit Holdings Llc Div Halsit Holdings, Llc Dba Abbatron), 100063-008 (Cipher Data Products Inc).

What NSN replaces 5310-00-857-5694?

There are 9 known substitutes for 5310-00-857-5694: 5310-00-011-4649, 5120-00-030-2738, 5950-00-241-1790 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 2669?

Key specifications for 2669: Material Document and Classification: MIL-P-20693A TYPE 1 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL A; Style Designator: SHOULDERED; Shoulder Height: 0.021 INCHES MINIMUM AND 0.041 INCHES MAXIMUM IN; Outside Diameter: 0.490 INCHES MINIMUM AND 0.510 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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