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NSN 5310-00-404-3825Government record, cited

Washer, Lock5310-00-404-3825

NSN 5310-00-404-3825 · NIIN 004043825 · Part number 51810031
Te Connectivity Corporation · FSC 5310 — Nuts and Washers · FSG 53 — Hardware and Abrasives · CAGE 74063
Government record, cited
NSN 5310-00-404-3825 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-404-3825. Manufacturer of record part number: 51810031.
Also searched as  5310-00-404-3825 · 5310004043825 · NIIN 004043825 · 00-404-3825 · FSC 5310 Nuts and Washers · CAGE 74063 · 51810031
Nearby stock numbers  ·
Features
  • Washer,lock — FSC 5310
  • Surface Treatment Document and Classification: QQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
  • Style Designator: SPLIT HELICAL-RIGHT HAND
  • Outside Diameter: 0.337 INCHES NOMINAL IN
  • Material Thickness: 0.047 INCHES NOMINAL IN
  • Surface Treatment: CADMIUM OVERALL
  • Material: STEEL OVERALL
  • Hole Diameter: 0.194 INCHES NOMINAL IN
Identification
  • NSN: 5310-00-404-3825
  • NIIN: 004043825
  • FSC: 5310 — Nuts and Washers
  • FSG: 53 — Hardware and Abrasives
  • Primary part number: 51810031
  • Manufacturer: Te Connectivity Corporation
General Description

The Washer,lock, cataloged under National Stock Number 5310-00-404-3825, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Te Connectivity Corporation. Government technical data includes 7 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-00-404-3825
Primary Part Number51810031
Item NameWasher,lock
FSC / FSG5310 / 53 — Nuts and Washers
ManufacturerTe Connectivity Corporation
StatusACTIVE
Surface Treatment Document and ClassificationQQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
Style DesignatorSPLIT HELICAL-RIGHT HAND
Outside Diameter0.337 INCHES NOMINAL IN
Material Thickness0.047 INCHES NOMINAL IN
Surface TreatmentCADMIUM OVERALL
MaterialSTEEL OVERALL
Hole Diameter0.194 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL A — No Demilitarization Required
HazardNo hazard code in the DLA record (HMIC N)
Criticality CodeX
Cross-Reference Index
Part NumberManufacturer
51810031 PRIMARY Te Connectivity Corporation (USA)
No interchangeability data on file.
Other items in FSC 5310 — Nuts and Washers
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5310-00-000-0040
5310-00-000-0040 · Item name not on file
5310-00-000-0077
NUT,PLAIN,ROUND
5310-00-000-0079
WASHER,FLAT
5310-00-000-0079
WASHER,FLAT
5310-00-000-1146
5310-00-000-1146 · Item name not on file
5310-00-000-3815
5310-00-000-3815 · Item name not on file
5310-00-000-4532
5310-00-000-4532 · Item name not on file
5310-00-000-4540
5310-00-000-4540 · Item name not on file

Frequently Asked Questions

What is NSN 5310-00-404-3825?

NSN 5310-00-404-3825 is a Washer,lock, manufactured by Te Connectivity Corporation, classified under FSC 5310, Nuts and Washers. Status: active.

What part numbers are listed for NSN 5310-00-404-3825?

NSN 5310-00-404-3825 has 1 manufacturer part number on file: 51810031 (Te Connectivity Corporation).

What are the specifications of 51810031?

Key specifications for 51810031: Surface Treatment Document and Classification: QQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Style Designator: SPLIT HELICAL-RIGHT HAND; Outside Diameter: 0.337 INCHES NOMINAL IN; Material Thickness: 0.047 INCHES NOMINAL IN. 7 specifications are documented in the U.S. Government catalog.

Is NSN 5310-00-404-3825 hazardous material?

No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.

Sources

U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.

U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.

✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.
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