PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2168Washer,flat

Halsit Holdings Llc Div Halsit Holdings, Llc Dba Abbatron · NSN 5310-00-835-6139 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-835-6139 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-835-6139. Primary manufacturer part number: 2168.
Features
  • Washer,flat — FSC 5310
  • Material: CELLULOSE OVERALL
  • Center Hole Shape Style: ROUND
  • Overall Diameter: 0.621 INCHES MINIMUM AND 0.629 INCHES MAXIMUM IN
  • Cross-Sectional Shape Style: RECTANGULAR
  • Thickness: 0.052 INCHES MINIMUM AND 0.072 INCHES MAXIMUM IN
  • Hole Diameter: 0.381 INCHES MINIMUM AND 0.389 INCHES MAXIMUM IN
  • Peripheral Shape Style: ROUND
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Cellulose Overall construction
General Description

The Washer,flat, cataloged under National Stock Number 5310-00-835-6139, 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 7 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-00-835-6139
Primary Part Number2168
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerHalsit Holdings Llc Div Halsit Holdings, Llc Dba Abbatron
StatusACTIVE
MaterialCELLULOSE OVERALL
Center Hole Shape StyleROUND
Overall Diameter0.621 INCHES MINIMUM AND 0.629 INCHES MAXIMUM IN
Cross-Sectional Shape StyleRECTANGULAR
Thickness0.052 INCHES MINIMUM AND 0.072 INCHES MAXIMUM IN
Hole Diameter0.381 INCHES MINIMUM AND 0.389 INCHES MAXIMUM IN
Peripheral Shape StyleROUND
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
3110-00-158-7329F755A INTERCHANGEABLE
Bearing,roller,cylindrical
Timken Aerospace, Inc Dba Torrington Product
6625-00-168-00392168 INTERCHANGEABLE
Calibrator,electrical Power
Spectrum Control Inc Div Weinschel
6145-00-191-8398 INTERCHANGEABLE
Braid,wire
5120-00-221-1142216-8 INTERCHANGEABLE
Punch and Die,grommet Inserting
C. S. Osborne and Company Dba Cs Osborne & Co
5310-00-222-72562168A INTERCHANGEABLE
Nut,plain,hexagon
Brinkley Technology Group Llc Dba Hercules Manufacturing
6610-00-239-49312168 INTERCHANGEABLE
Latch and Plate
Mission Systems Davenport Inc.
5331-00-404-45812-168 INTERCHANGEABLE
O-Ring
Parker-Hannifin Corp Div O-Ring Division
7330-00-412-1268 INTERCHANGEABLE
Saucepan
5330-00-599-8527 INTERCHANGEABLE
Seal,plain Encased
5310-00-618-1734 INTERCHANGEABLE
Washer,flat
Cross-Reference Index
Part NumberManufacturer
2168 Dialight Corporation (USA)
2168 PRIMARY Halsit Holdings Llc Div Halsit Holdings, Llc Dba Abbatron (USA)
Related Parts
3110-00-158-7329INTERCHANGEABLE
BEARING,ROLLER,CYLINDRICAL
F755A
6625-00-168-0039INTERCHANGEABLE
CALIBRATOR,ELECTRICAL POWER
2168
6145-00-191-8398INTERCHANGEABLE
BRAID,WIRE
5120-00-221-1142INTERCHANGEABLE
PUNCH AND DIE,GROMMET INSERTING
216-8
5310-00-222-7256INTERCHANGEABLE
NUT,PLAIN,HEXAGON
2168A
6610-00-239-4931INTERCHANGEABLE
LATCH AND PLATE
2168
5331-00-404-4581INTERCHANGEABLE
O-RING
2-168
7330-00-412-1268INTERCHANGEABLE
SAUCEPAN
5330-00-599-8527INTERCHANGEABLE
SEAL,PLAIN ENCASED
5310-00-618-1734INTERCHANGEABLE
WASHER,FLAT
5905-00-799-9661INTERCHANGEABLE
RESISTOR,FIXED,FILM
0681-0003
4920-00-982-3565INTERCHANGEABLE
AMPLIFIER,TEST CONS

Frequently Asked Questions

What is NSN 5310-00-835-6139?

NSN 5310-00-835-6139 is a Washer,flat, 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 5310-00-835-6139?

NSN 5310-00-835-6139 has 2 cross-referenced part numbers: 2168 (Dialight Corporation), 2168 (Halsit Holdings Llc Div Halsit Holdings, Llc Dba Abbatron).

What NSN replaces 5310-00-835-6139?

There are 12 known substitutes for 5310-00-835-6139: 3110-00-158-7329, 6625-00-168-0039, 6145-00-191-8398 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 2168?

Key specifications for 2168: Material: CELLULOSE OVERALL; Center Hole Shape Style: ROUND; Overall Diameter: 0.621 INCHES MINIMUM AND 0.629 INCHES MAXIMUM IN; Cross-Sectional Shape Style: RECTANGULAR. 7 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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