PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

310-0400-000Washer,lock

Wrought Washer Mfg., Inc. · NSN 5310-01-011-5477 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-01-011-5477 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-011-5477. Primary manufacturer part number: 310-0400-000.
Features
  • Washer,lock — FSC 5310
  • Style Designator: SPLIT HELICAL-RIGHT HAND
  • Material: COPPER ALLOY OVERALL
  • Hole Diameter: 0.255 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN
  • Material Thickness: 0.042 INCHES MINIMUM AND 0.052 INCHES MAXIMUM IN
  • Outside Diameter: 0.484 INCHES MINIMUM AND 0.489 INCHES MAXIMUM IN
  • 2 verified cross-references
  • Primary manufacturer: Wrought Washer Mfg., Inc.
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Copper Alloy Overall construction
General Description

The Washer,lock, cataloged under National Stock Number 5310-01-011-5477, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Wrought Washer Mfg., Inc.. Government technical data includes 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, 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
NSN5310-01-011-5477
Primary Part Number310-0400-000
Item NameWasher,lock
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerWrought Washer Mfg., Inc.
StatusACTIVE
Style DesignatorSPLIT HELICAL-RIGHT HAND
MaterialCOPPER ALLOY OVERALL
Hole Diameter0.255 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN
Material Thickness0.042 INCHES MINIMUM AND 0.052 INCHES MAXIMUM IN
Outside Diameter0.484 INCHES MINIMUM AND 0.489 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5310-00-184-8970MS35338-101 INTERCHANGEABLE
Washer,lock
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
Cross-Reference Index
Part NumberManufacturer
310-0400-000 Wrought Washer Mfg., Inc. (USA)
310-0400-00 Wrought Washer Mfg., Inc. (USA)
Related Parts
5310-00-184-8970INTERCHANGEABLE
WASHER,LOCK
MS35338-101

Frequently Asked Questions

What is NSN 5310-01-011-5477?

NSN 5310-01-011-5477 is a Washer,lock, manufactured by Wrought Washer Mfg., Inc., classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-01-011-5477?

NSN 5310-01-011-5477 has 2 cross-referenced part numbers: 310-0400-000 (Wrought Washer Mfg., Inc.), 310-0400-00 (Wrought Washer Mfg., Inc.).

What NSN replaces 5310-01-011-5477?

There is 1 known substitute for 5310-01-011-5477: 5310-00-184-8970. Verify interchangeability with system specifications before substitution.

What are the specifications of 310-0400-000?

Key specifications for 310-0400-000: Style Designator: SPLIT HELICAL-RIGHT HAND; Material: COPPER ALLOY OVERALL; Hole Diameter: 0.255 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN; Material Thickness: 0.042 INCHES MINIMUM AND 0.052 INCHES MAXIMUM IN. 5 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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