PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

176507Washer,flat

Curtiss-Wright Controls, Inc. Dba Curtiss Wright Div Actuation Division · NSN 5310-00-083-2158 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-083-2158 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-083-2158. Primary manufacturer part number: 176507.
Features
  • Washer,flat — FSC 5310
  • Material Document and Classification: AMS 6322 ASSN STD 1ST MATERIAL RESPONSE AND CPS 4528,FSCM 71791 MFR REF 2ND MATERIAL RESPONSE OVERALL
  • Overall Diameter: 1.220 INCHES NOMINAL IN
  • Center Hole Shape Style: ROUND
  • Peripheral Shape Style: ROUND
  • Thickness: 0.119 INCHES MINIMUM AND 0.121 INCHES MAXIMUM IN
  • Hardness Rating: 25.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM
  • Hole Diameter: 0.730 INCHES NOMINAL IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Washer,flat, cataloged under National Stock Number 5310-00-083-2158, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Curtiss-Wright Controls, Inc. Dba Curtiss Wright Div Actuation Division. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-00-083-2158
Primary Part Number176507
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerCurtiss-Wright Controls, Inc. Dba Curtiss Wright Div Actuation Division
StatusACTIVE
Material Document and ClassificationAMS 6322 ASSN STD 1ST MATERIAL RESPONSE AND CPS 4528,FSCM 71791 MFR REF 2ND MATERIAL RESPONSE OVERALL
Overall Diameter1.220 INCHES NOMINAL IN
Center Hole Shape StyleROUND
Peripheral Shape StyleROUND
Thickness0.119 INCHES MINIMUM AND 0.121 INCHES MAXIMUM IN
Hardness Rating25.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM
Hole Diameter0.730 INCHES NOMINAL IN
Surface Treatment Document and ClassificationCPS 6081 FSCM 71791 MFR REF SINGLE TREATMENT RESPONSE OVERALL
Surface TreatmentCADMIUM OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
2910-00-474-6964513 INTERCHANGEABLE
Valve,fuel Pump
Chrysler Corp Service and Parts Opns
3040-01-508-4086176507 INTERCHANGEABLE
Shaft,shouldered
Jered Llc
4820-01-667-5297176507 INTERCHANGEABLE
Regulator,temperature and Pressu
W. & O. Supply, Inc. Dba W & O Supply Inc Div Corporate Location
Cross-Reference Index
Part NumberManufacturer
176507 PRIMARY Curtiss-Wright Controls, Inc. Dba Curtiss Wright Div Actuation Division (USA)
Related Parts
2910-00-474-6964INTERCHANGEABLE
VALVE,FUEL PUMP
513
3040-01-508-4086INTERCHANGEABLE
SHAFT,SHOULDERED
176507
4820-01-667-5297INTERCHANGEABLE
REGULATOR,TEMPERATURE AND PRESSU
176507

Frequently Asked Questions

What is NSN 5310-00-083-2158?

NSN 5310-00-083-2158 is a Washer,flat, manufactured by Curtiss-Wright Controls, Inc. Dba Curtiss Wright Div Actuation Division, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-083-2158?

NSN 5310-00-083-2158 has 1 cross-referenced part number: 176507 (Curtiss-Wright Controls, Inc. Dba Curtiss Wright Div Actuation Division).

What NSN replaces 5310-00-083-2158?

There are 3 known substitutes for 5310-00-083-2158: 2910-00-474-6964, 3040-01-508-4086, 4820-01-667-5297. Verify interchangeability with system specifications before substitution.

What are the specifications of 176507?

Key specifications for 176507: Material Document and Classification: AMS 6322 ASSN STD 1ST MATERIAL RESPONSE AND CPS 4528,FSCM 71791 MFR REF 2ND MATERIAL RESPONSE OVERALL; Part Name Assigned by Controlling Agency: NAVY SPECIAL PROJECT; Overall Diameter: 1.220 INCHES NOMINAL IN; Center Hole Shape Style: ROUND. 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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