PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

G70-8Washer,flat

Designatronics Incorporated Div Sterling Instruments Div · NSN 5310-01-136-6134 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-01-136-6134 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-136-6134. Primary manufacturer part number: G70-8.
Features
  • Washer,flat — FSC 5310
  • Hole Diameter: 0.250 INCHES MINIMUM AND 0.255 INCHES MAXIMUM IN
  • Surface Treatment: PASSIVATE OVERALL
  • Material: STEEL COMP 303 OVERALL
  • Peripheral Shape Style: ROUND
  • Cross-Sectional Shape Style: RECTANGULAR
  • Center Hole Shape Style: ROUND
  • Overall Diameter: 0.375 INCHES NOMINAL IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp 303 Overall construction
General Description

The Washer,flat, cataloged under National Stock Number 5310-01-136-6134, 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 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5310-01-136-6134
Primary Part NumberG70-8
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerDesignatronics Incorporated Div Sterling Instruments Div
StatusCANCELLED
Hole Diameter0.250 INCHES MINIMUM AND 0.255 INCHES MAXIMUM IN
Surface TreatmentPASSIVATE OVERALL
MaterialSTEEL COMP 303 OVERALL
Peripheral Shape StyleROUND
Cross-Sectional Shape StyleRECTANGULAR
Center Hole Shape StyleROUND
Overall Diameter0.375 INCHES NOMINAL IN
Thickness0.029 INCHES MINIMUM AND 0.033 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 2
5310-00-584-7151NAS1057T4-003 INTERCHANGEABLE
Washer,flat
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5305-01-231-2438 INTERCHANGEABLE
Screw,machine
Cross-Reference Index
Part NumberManufacturer
837 Allied Devices Corp Dba Absolute Precision Co (USA)
G70-8 PRIMARY Designatronics Incorporated Div Sterling Instruments Div (USA)
16758128-098 Sypris Electronics, Llc Div Sypris Electronics, Llc - Colorado Field Services (USA)
SS2-31 W. M. Berg, Inc. (USA)
Related Parts
5310-00-584-7151INTERCHANGEABLE
WASHER,FLAT
NAS1057T4-003
5305-01-231-2438INTERCHANGEABLE
SCREW,MACHINE

Frequently Asked Questions

What is NSN 5310-01-136-6134?

NSN 5310-01-136-6134 is a Washer,flat, manufactured by Designatronics Incorporated Div Sterling Instruments Div, classified under FSC 5310 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5310-01-136-6134?

NSN 5310-01-136-6134 has 4 cross-referenced part numbers: 837 (Allied Devices Corp Dba Absolute Precision Co), G70-8 (Designatronics Incorporated Div Sterling Instruments Div), 16758128-098 (Sypris Electronics, Llc Div Sypris Electronics, Llc - Colorado Field Services), SS2-31 (W. M. Berg, Inc.).

What NSN replaces 5310-01-136-6134?

There are 2 known substitutes for 5310-01-136-6134: 5310-00-584-7151, 5305-01-231-2438. Verify interchangeability with system specifications before substitution.

What are the specifications of G70-8?

Key specifications for G70-8: Hole Diameter: 0.250 INCHES MINIMUM AND 0.255 INCHES MAXIMUM IN; Surface Treatment: PASSIVATE OVERALL; Material: STEEL COMP 303 OVERALL; Peripheral Shape Style: ROUND. 8 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5310-01-136-6134 still in active supply?

NSN 5310-01-136-6134 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.
PartsTable Design LLC · partstable.com