PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

G68-5Washer,flat

Designatronics Incorporated Div Sterling Instruments Div · NSN 5310-01-122-5623 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-01-122-5623 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-122-5623. Primary manufacturer part number: G68-5.
Features
  • Washer,flat — FSC 5310
  • Overall Diameter: 0.182 INCHES MINIMUM AND 0.192 INCHES MAXIMUM IN
  • Surface Treatment: PASSIVATE OVERALL
  • Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
  • Material: STEEL COMP 1340H OR STEEL COMP 303SE OVERALL
  • Peripheral Shape Style: ROUND
  • Material Document and Classification: ASTM A582 ASSN STD ALL MATERIAL RESPONSES OVERALL
  • Center Hole Shape Style: ROUND
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp 1340h or Steel Comp 303SE Overall construction
General Description

The Washer,flat, cataloged under National Stock Number 5310-01-122-5623, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Designatronics Incorporated Div Sterling Instruments Div. Government technical data includes 10 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. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-01-122-5623
Primary Part NumberG68-5
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerDesignatronics Incorporated Div Sterling Instruments Div
StatusACTIVE
Overall Diameter0.182 INCHES MINIMUM AND 0.192 INCHES MAXIMUM IN
Surface TreatmentPASSIVATE OVERALL
Surface Treatment Document and ClassificationQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
MaterialSTEEL COMP 1340H OR STEEL COMP 303SE OVERALL
Peripheral Shape StyleROUND
Material Document and ClassificationASTM A582 ASSN STD ALL MATERIAL RESPONSES OVERALL
Center Hole Shape StyleROUND
Thickness0.011 INCHES MINIMUM AND 0.013 INCHES MAXIMUM IN
Cross-Sectional Shape StyleRECTANGULAR
Hole Diameter0.125 INCHES MINIMUM AND 0.130 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5315-00-682-1927A3-26 INTERCHANGEABLE
Pin,straight,headless
Roller Bearing Co of America, Inc Div Pic Design
Cross-Reference Index
Part NumberManufacturer
419366-5 Raytheon Company Dba Raytheon (USA)
SS1-28 W. M. Berg, Inc. (USA)
G68-5 PRIMARY Designatronics Incorporated Div Sterling Instruments Div (USA)
Related Parts
5315-00-682-1927INTERCHANGEABLE
PIN,STRAIGHT,HEADLESS
A3-26

Frequently Asked Questions

What is NSN 5310-01-122-5623?

NSN 5310-01-122-5623 is a Washer,flat, manufactured by Designatronics Incorporated Div Sterling Instruments Div, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-01-122-5623?

NSN 5310-01-122-5623 has 3 cross-referenced part numbers: 419366-5 (Raytheon Company Dba Raytheon), SS1-28 (W. M. Berg, Inc.), G68-5 (Designatronics Incorporated Div Sterling Instruments Div).

What NSN replaces 5310-01-122-5623?

There is 1 known substitute for 5310-01-122-5623: 5315-00-682-1927. Verify interchangeability with system specifications before substitution.

What are the specifications of G68-5?

Key specifications for G68-5: Overall Diameter: 0.182 INCHES MINIMUM AND 0.192 INCHES MAXIMUM IN; Surface Treatment: PASSIVATE OVERALL; Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Material: STEEL COMP 1340H OR STEEL COMP 303SE OVERALL. 10 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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