PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

404968Washer,flat

Nsgdatacom Inc · NSN 5310-00-599-1668 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-599-1668 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-599-1668. Primary manufacturer part number: 404968.
Features
  • Washer,flat — FSC 5310
  • Hole Diameter: 0.136 INCHES NOMINAL IN
  • Thickness: 0.062 INCHES NOMINAL IN
  • Material: CELLULOSE OVERALL
  • Material Document and Classification: MIL-F-1148,GR CH MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
  • Peripheral Shape Style: ROUND
  • Cross-Sectional Shape Style: RECTANGULAR
  • Center Hole 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 5310-00-599-1668, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Nsgdatacom Inc. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 10 commercial cross-references from 8 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5310-00-599-1668
Primary Part Number404968
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerNsgdatacom Inc
StatusCANCELLED
Hole Diameter0.136 INCHES NOMINAL IN
Thickness0.062 INCHES NOMINAL IN
MaterialCELLULOSE OVERALL
Material Document and ClassificationMIL-F-1148,GR CH MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
Peripheral Shape StyleROUND
Cross-Sectional Shape StyleRECTANGULAR
Center Hole Shape StyleROUND
Overall Diameter0.250 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5315-00-054-2664104301 INTERCHANGEABLE
Key,machine
Garwood/feller Inc Garwood Winch Div
6145-00-194-9843 INTERCHANGEABLE
Braid,wire
5930-00-275-31062160A INTERCHANGEABLE
Switch,toggle
Electro Switch Corp. Dba Oak Grisgsby Div Electroswitch
1660-00-326-62912160 INTERCHANGEABLE
Diffuser,air,aircraft Heating an
Aerospace Lighting Corporation
6515-00-339-34002-160 INTERCHANGEABLE
Gag,mouth
Integra Lifesciences Corporation
5310-00-350-4204 INTERCHANGEABLE
Washer,convex
5120-00-357-5754216-0 INTERCHANGEABLE
Punch and Die,grommet Inserting
C. S. Osborne and Company Dba Cs Osborne & Co
4820-00-478-5775 INTERCHANGEABLE
Ring,seat
5915-00-494-5754LP11/30-5CC INTERCHANGEABLE
Filter,low Pass
William Wheeler Dba Filtek
3030-00-528-4465 INTERCHANGEABLE
Belt,v
Cross-Reference Index
Part NumberManufacturer
1250 Dialight Corporation (USA)
404968 PRIMARY Nsgdatacom Inc (USA)
420-73-0009 PRIMARY Raytheon Company Dba Raytheon (USA)
2160 PRIMARY Halsit Holdings Llc Div Halsit Holdings, Llc Dba Abbatron (USA)
1250 Halsit Holdings Llc Div Halsit Holdings, Llc Dba Abbatron (USA)
000-8000-043 Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems (USA)
10430-1 Aimtron Systems, Llc (USA)
5254-628 Raytheon Company Div Rmd Strategic (USA)
10430-1 Cardion Inc (USA)
2160 Dialight Corporation (USA)
Related Parts
5315-00-054-2664INTERCHANGEABLE
KEY,MACHINE
104301
6145-00-194-9843INTERCHANGEABLE
BRAID,WIRE
5930-00-275-3106INTERCHANGEABLE
SWITCH,TOGGLE
2160A
1660-00-326-6291INTERCHANGEABLE
DIFFUSER,AIR,AIRCRAFT HEATING AN
2160
6515-00-339-3400INTERCHANGEABLE
GAG,MOUTH
2-160
5310-00-350-4204INTERCHANGEABLE
WASHER,CONVEX
5120-00-357-5754INTERCHANGEABLE
PUNCH AND DIE,GROMMET INSERTING
216-0
4820-00-478-5775INTERCHANGEABLE
RING,SEAT
5915-00-494-5754INTERCHANGEABLE
FILTER,LOW PASS
LP11/30-5CC
3030-00-528-4465INTERCHANGEABLE
BELT,V
5935-00-539-0200INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
619176-1
4730-00-874-9016INTERCHANGEABLE
PLATE AND BRIDGE ASSEMBLY
2160

Frequently Asked Questions

What is NSN 5310-00-599-1668?

NSN 5310-00-599-1668 is a Washer,flat, manufactured by Nsgdatacom Inc, classified under FSC 5310 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5310-00-599-1668?

NSN 5310-00-599-1668 has 10 cross-referenced part numbers: 1250 (Dialight Corporation), 404968 (Nsgdatacom Inc), 420-73-0009 (Raytheon Company Dba Raytheon), 2160 (Halsit Holdings Llc Div Halsit Holdings, Llc Dba Abbatron), 1250 (Halsit Holdings Llc Div Halsit Holdings, Llc Dba Abbatron) and 5 more.

What NSN replaces 5310-00-599-1668?

There are 12 known substitutes for 5310-00-599-1668: 5315-00-054-2664, 6145-00-194-9843, 5930-00-275-3106 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 404968?

Key specifications for 404968: Hole Diameter: 0.136 INCHES NOMINAL IN; Thickness: 0.062 INCHES NOMINAL IN; Material: CELLULOSE OVERALL; Material Document and Classification: MIL-F-1148,GR CH MIL SPEC SINGLE MATERIAL RESPONSE OVERALL. 8 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5310-00-599-1668 still in active supply?

NSN 5310-00-599-1668 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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