PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1-4X7-8X364Washer,flat

Stewart Avionics Inc · NSN 5310-00-167-0702 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-167-0702 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-167-0702. Primary manufacturer part number: 1-4X7-8X364.
Features
  • Washer,flat — FSC 5310
  • Cross-Sectional Shape Style: RECTANGULAR
  • Material: COPPER ALLOY 268 OR COPPER ALLOY 11 OVERALL
  • Overall Diameter: 0.495 INCHES MINIMUM AND 0.520 INCHES MAXIMUM IN
  • Hole Diameter: 0.255 INCHES MINIMUM AND 0.275 INCHES MAXIMUM IN
  • Material Document and Classification: QQ-B-613 FED SPEC ALL MATERIAL RESPONSES OVERALL
  • Peripheral Shape Style: ROUND
  • Thickness: 0.053 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Copper Alloy 268 or Copper Alloy 11 Overall construction
General Description

The Washer,flat, cataloged under National Stock Number 5310-00-167-0702, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Stewart Avionics Inc. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 16 commercial cross-references from 10 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
NSN5310-00-167-0702
Primary Part Number1-4X7-8X364
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerStewart Avionics Inc
StatusCANCELLED
Cross-Sectional Shape StyleRECTANGULAR
MaterialCOPPER ALLOY 268 OR COPPER ALLOY 11 OVERALL
Overall Diameter0.495 INCHES MINIMUM AND 0.520 INCHES MAXIMUM IN
Hole Diameter0.255 INCHES MINIMUM AND 0.275 INCHES MAXIMUM IN
Material Document and ClassificationQQ-B-613 FED SPEC ALL MATERIAL RESPONSES OVERALL
Peripheral Shape StyleROUND
Thickness0.053 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
Center Hole Shape StyleROUND
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5310-00-199-4587 INTERCHANGEABLE
Washer,flat
5310-00-205-9345 INTERCHANGEABLE
Washer,flat
5310-00-205-9928 INTERCHANGEABLE
Washer,flat
5310-00-205-9931 INTERCHANGEABLE
Washer,flat
5120-00-240-530013810 INTERCHANGEABLE
Key,socket Head Screw
Bondhus Corp
5310-00-253-3207MS15795-442 INTERCHANGEABLE
Washer,flat
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5310-00-264-06213155 INTERCHANGEABLE
Washer,flat
King Engineering Corporation Dba King-Gage Systems
5310-00-274-7840 INTERCHANGEABLE
Washer,flat
5310-00-377-0251111822 INTERCHANGEABLE
Washer,flat
Lockheed Martin Corporation Div Rms - Mitchel Field
5310-00-582-5598 INTERCHANGEABLE
Washer,flat
Cross-Reference Index
Part NumberManufacturer
804228 Us Army Aviation and Missile Command (USA)
1-4X7-8X364 PRIMARY Stewart Avionics Inc (USA)
430771 PRIMARY Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
8176673 PRIMARY Us Army Aviation and Missile Command (USA)
FFW92TYPEAGRADE2CLASSE Federal Specifications Promulgated by General Services Administration Washington DC (USA)
12Z3008-21 PRIMARY Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
NAS1149B463H PRIMARY National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use (USA)
5310001670702 E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales
AN960B416 Aeronautical Standards Group Dept of Navy and Air Force (USA)
43W3040-3129 PRIMARY Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
8192351 PRIMARY Us Army Aviation and Missile Command (USA)
JD766 PRIMARY Jenny Products, Inc (USA)
LS12906-46 Lockheed Martin Corp (USA)
AN960B416L Aeronautical Standards Group Dept of Navy and Air Force (USA)
13810 Zf Industrieantriebe Witten Gmbh (DEU)
388783PC106 PRIMARY Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
Related Parts
5310-00-199-4587INTERCHANGEABLE
WASHER,FLAT
5310-00-205-9345INTERCHANGEABLE
WASHER,FLAT
5310-00-205-9928INTERCHANGEABLE
WASHER,FLAT
5310-00-205-9931INTERCHANGEABLE
WASHER,FLAT
5120-00-240-5300INTERCHANGEABLE
KEY,SOCKET HEAD SCREW
13810
5310-00-253-3207INTERCHANGEABLE
WASHER,FLAT
MS15795-442
5310-00-264-0621INTERCHANGEABLE
WASHER,FLAT
3155
5310-00-274-7840INTERCHANGEABLE
WASHER,FLAT
5310-00-377-0251INTERCHANGEABLE
WASHER,FLAT
111822
5310-00-582-5598INTERCHANGEABLE
WASHER,FLAT
5310-00-582-9838INTERCHANGEABLE
WASHER,FLAT
5310-00-639-8071INTERCHANGEABLE
WASHER,FLAT

Frequently Asked Questions

What is NSN 5310-00-167-0702?

NSN 5310-00-167-0702 is a Washer,flat, manufactured by Stewart Avionics Inc, classified under FSC 5310 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5310-00-167-0702?

NSN 5310-00-167-0702 has 16 cross-referenced part numbers: 804228 (Us Army Aviation and Missile Command), 1-4X7-8X364 (Stewart Avionics Inc), 430771 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), 8176673 (Us Army Aviation and Missile Command), FFW92TYPEAGRADE2CLASSE (Federal Specifications Promulgated by General Services Administration Washington DC) and 11 more.

What NSN replaces 5310-00-167-0702?

There are 12 known substitutes for 5310-00-167-0702: 5310-00-199-4587, 5310-00-205-9345, 5310-00-205-9928 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1-4X7-8X364?

Key specifications for 1-4X7-8X364: Cross-Sectional Shape Style: RECTANGULAR; Material: COPPER ALLOY 268 OR COPPER ALLOY 11 OVERALL; Overall Diameter: 0.495 INCHES MINIMUM AND 0.520 INCHES MAXIMUM IN; Hole Diameter: 0.255 INCHES MINIMUM AND 0.275 INCHES MAXIMUM IN. 8 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5310-00-167-0702 still in active supply?

NSN 5310-00-167-0702 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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