PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

NAS1676-0Washer,lock

National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use · NSN 5310-00-688-2193 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-688-2193 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-688-2193. Primary manufacturer part number: NAS1676-0.
Features
  • Washer,lock — FSC 5310
  • Outside Diameter: 0.108 INCHES NOMINAL IN
  • Material Document and Classification: QQ-S-633 CANCELED FED SPEC SINGLE MATERIAL RESPONSE OVERALL
  • Hole Diameter: 0.067 INCHES NOMINAL IN
  • Surface Treatment: CADMIUM OVERALL
  • Style Designator: SPLIT HELICAL-RIGHT HAND
  • Material: STEEL OVERALL
  • Specification/standard Data: 80205-NAS1676 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Overall construction
General Description

The Washer,lock, cataloged under National Stock Number 5310-00-688-2193, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use. 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. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5310-00-688-2193
Primary Part NumberNAS1676-0
Item NameWasher,lock
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerNational Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
StatusCANCELLED
Outside Diameter0.108 INCHES NOMINAL IN
Material Document and ClassificationQQ-S-633 CANCELED FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Hole Diameter0.067 INCHES NOMINAL IN
Surface TreatmentCADMIUM OVERALL
Style DesignatorSPLIT HELICAL-RIGHT HAND
MaterialSTEEL OVERALL
Specification/standard Data80205-NAS1676 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
Material Thickness0.022 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 4
6675-00-300-2239WK-23-2052-5990007-1 INTERCHANGEABLE
Clinometer,elevation
Warren Industries Inc Dba Warren Industries Inc Div Warren-Knight Instrument Co. and N. Amer. Survey Supply Co.
2910-00-792-0962142-0041 INTERCHANGEABLE
Needle Assembly
Cummins Power Generation Inc.
5985-01-189-5721142-42 INTERCHANGEABLE
Antenna Subassembly
Heathkit Co Inc Dba Heathkit Educational Systems
5330-01-250-1379P014242 INTERCHANGEABLE
Seal,plain
Ledeen H L Associates
Cross-Reference Index
Part NumberManufacturer
SIZE0L0CKWASHER Mellowes Co Div of Charter Mfg Co Inc (USA)
NAS1676-0 PRIMARY National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use (USA)
73105-133 S. W. Electronics & Manufacturing Corp. Dba Swemco (USA)
14242 Meggitt (new Hampshire), Inc (USA)
Related Parts
6675-00-300-2239INTERCHANGEABLE
CLINOMETER,ELEVATION
WK-23-2052-5990007-1
2910-00-792-0962INTERCHANGEABLE
NEEDLE ASSEMBLY
142-0041
5985-01-189-5721INTERCHANGEABLE
ANTENNA SUBASSEMBLY
142-42
5330-01-250-1379INTERCHANGEABLE
SEAL,PLAIN
P014242

Frequently Asked Questions

What is NSN 5310-00-688-2193?

NSN 5310-00-688-2193 is a Washer,lock, manufactured by National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use, classified under FSC 5310 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5310-00-688-2193?

NSN 5310-00-688-2193 has 4 cross-referenced part numbers: SIZE0L0CKWASHER (Mellowes Co Div of Charter Mfg Co Inc), NAS1676-0 (National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use), 73105-133 (S. W. Electronics & Manufacturing Corp. Dba Swemco), 14242 (Meggitt (new Hampshire), Inc).

What NSN replaces 5310-00-688-2193?

There are 4 known substitutes for 5310-00-688-2193: 6675-00-300-2239, 2910-00-792-0962, 5985-01-189-5721 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of NAS1676-0?

Key specifications for NAS1676-0: Outside Diameter: 0.108 INCHES NOMINAL IN; Material Document and Classification: QQ-S-633 CANCELED FED SPEC SINGLE MATERIAL RESPONSE OVERALL; Hole Diameter: 0.067 INCHES NOMINAL IN; Special Features: NO. ZERO NOM BOLT SIZE. 9 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5310-00-688-2193 still in active supply?

NSN 5310-00-688-2193 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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