PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

382176Washer,flat

Simmonds Precision Products Inc · NSN 5310-00-209-5238 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-209-5238 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-209-5238. Primary manufacturer part number: 382176.
Features
  • Washer,flat — FSC 5310
  • Material: COPPER ALLOY OVERALL
  • Surface Treatment: CADMIUM OVERALL
  • Surface Treatment Document and Classification: QQ-P-416 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
  • Surface Finish: 63.0 MICROINCHES ALL SURFACES
  • Material Document and Classification: QQ-C-576 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
  • Hole Diameter: 0.108 INCHES MINIMUM AND 0.118 INCHES MAXIMUM IN
  • Thickness: 0.010 INCHES MINIMUM AND 0.030 INCHES MAXIMUM IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Copper Alloy Overall construction
General Description

The Washer,flat, cataloged under National Stock Number 5310-00-209-5238, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Simmonds Precision Products Inc. Government technical data includes 11 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: Active.

Technical Specifications
ParameterValue
NSN5310-00-209-5238
Primary Part Number382176
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerSimmonds Precision Products Inc
StatusACTIVE
MaterialCOPPER ALLOY OVERALL
Surface TreatmentCADMIUM OVERALL
Surface Treatment Document and ClassificationQQ-P-416 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
Surface Finish63.0 MICROINCHES ALL SURFACES
Material Document and ClassificationQQ-C-576 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Hole Diameter0.108 INCHES MINIMUM AND 0.118 INCHES MAXIMUM IN
Thickness0.010 INCHES MINIMUM AND 0.030 INCHES MAXIMUM IN
Center Hole Shape StyleROUND
Peripheral Shape StyleROUND
Overall Diameter0.220 INCHES MINIMUM AND 0.240 INCHES MAXIMUM IN
Cross-Sectional Shape StyleRECTANGULAR
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5310-00-186-0962 INTERCHANGEABLE
Washer,key
2520-00-350-29413270C33 INTERCHANGEABLE
Flange
Meritor Heavy Vehicle Systems, Llc
5310-01-167-8412 INTERCHANGEABLE
Washer,key
5340-01-476-3831W03 INTERCHANGEABLE
Strap,webbing
Honeywell International Inc. Dba Honeywell Div Aerospace -Olathe Hums Div
Cross-Reference Index
Part NumberManufacturer
W0-3 Honeywell Intl Inc Defense Avionics Systems Former Bendix Navigation and Control Systems (USA)
LA656-2 Pettibone Llc (USA)
382176 PRIMARY Simmonds Precision Products Inc (USA)
W0-3 Honeywell Intl Inc Defense Avionics Systems (USA)
Related Parts
5310-00-186-0962INTERCHANGEABLE
WASHER,KEY
2520-00-350-2941INTERCHANGEABLE
FLANGE
3270C33
5310-01-167-8412INTERCHANGEABLE
WASHER,KEY
5340-01-476-3831INTERCHANGEABLE
STRAP,WEBBING
W03

Frequently Asked Questions

What is NSN 5310-00-209-5238?

NSN 5310-00-209-5238 is a Washer,flat, manufactured by Simmonds Precision Products Inc, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-209-5238?

NSN 5310-00-209-5238 has 4 cross-referenced part numbers: W0-3 (Honeywell Intl Inc Defense Avionics Systems Former Bendix Navigation and Control Systems), LA656-2 (Pettibone Llc), 382176 (Simmonds Precision Products Inc), W0-3 (Honeywell Intl Inc Defense Avionics Systems).

What NSN replaces 5310-00-209-5238?

There are 4 known substitutes for 5310-00-209-5238: 5310-00-186-0962, 2520-00-350-2941, 5310-01-167-8412 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 382176?

Key specifications for 382176: Material: COPPER ALLOY OVERALL; Surface Treatment: CADMIUM OVERALL; Surface Treatment Document and Classification: QQ-P-416 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Surface Finish: 63.0 MICROINCHES ALL SURFACES. 11 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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