PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

00314-4Washer,concave

Defense Logistics Agency Dba Defense Supply Center Philadelphia · NSN 5310-00-167-0733 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-167-0733 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-167-0733. Primary manufacturer part number: 00314-4.
Features
  • Washer,concave — FSC 5310
  • Hole Diameter: 0.438 INCHES NOMINAL IN
  • Style Designator: CONCAVE
  • Material: STEEL OR STEEL COMP 1008 OR STEEL COMP 1009 OR STEEL COMP 1015 OR STEEL COMP 1018 OR STEEL COMP 1020 OR STEEL COMP 1025 OVERALL
  • Material Thickness: 0.094 INCHES NOMINAL IN
  • Surface Treatment Document and Classification: QQ-P-416,TY 1,CL 2 FED SPEC 1ST TREATMENT RESPONSE OR QQ-Z-325,TY 1,CL 2 FED SPEC 2ND TREATMENT RESPONSE OVERALL
  • Radius: 0.495 INCHES MINIMUM AND 0.505 INCHES MAXIMUM IN
  • Recess Diameter: 0.625 INCHES NOMINAL IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel or Steel Comp 1008 or Steel Comp 1009 or Steel Comp 1015 or Steel Comp 1018 or Steel Comp 1020 or Steel Comp 1025 Overall construction
General Description

The Washer,concave, cataloged under National Stock Number 5310-00-167-0733, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Defense Logistics Agency Dba Defense Supply Center Philadelphia. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5310-00-167-0733
Primary Part Number00314-4
Item NameWasher,concave
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerDefense Logistics Agency Dba Defense Supply Center Philadelphia
StatusCANCELLED
Hole Diameter0.438 INCHES NOMINAL IN
Style DesignatorCONCAVE
MaterialSTEEL OR STEEL COMP 1008 OR STEEL COMP 1009 OR STEEL COMP 1015 OR STEEL COMP 1018 OR STEEL COMP 1020 OR STEEL COMP 1025 OVERALL
Material Thickness0.094 INCHES NOMINAL IN
Surface Treatment Document and ClassificationQQ-P-416,TY 1,CL 2 FED SPEC 1ST TREATMENT RESPONSE OR QQ-Z-325,TY 1,CL 2 FED SPEC 2ND TREATMENT RESPONSE OVERALL
Radius0.495 INCHES MINIMUM AND 0.505 INCHES MAXIMUM IN
Recess Diameter0.625 INCHES NOMINAL IN
Surface TreatmentCADMIUM OR ZINC OVERALL
Surface Finish63.0 MICROINCHES ALL SURFACES
Outside Diameter1.125 INCHES NOMINAL IN
Material Document and ClassificationQQ-S-630 FED SPEC ALL MATERIAL RESPONSES OR QQ-S-698 FED SPEC 1ST MATERIAL RESPONSE OR QQ-S-700 FED SPEC ALL MATERIAL RESPONSES OR AISI ASSN STD ALL MATERIAL RESPONSES OVERALL
Hardness Rating70.0 ROCKWELL B MINIMUM AND 86.0 ROCKWELL B MAXIMUM
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 10
3110-00-100-23681206LT-1B1 INTERCHANGEABLE
Bearing,ball,annular
Schatz Bearing Corporation Dba Schatz Bearing Corp
4730-00-180-07769506 INTERCHANGEABLE
Coupling Half,quick Disconnect
Air-Lock, Incorporated
5975-00-187-5295GP26 INTERCHANGEABLE
Rod,ground
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
4730-00-929-6057950-6MF INTERCHANGEABLE
Elbow,tube
Lenz Inc Dba the Lenz Company
2530-01-096-2230SW15214P INTERCHANGEABLE
Tank,pressure
Drs Sustainment Systems Inc
1650-01-109-27829506 INTERCHANGEABLE
Sleeve
Eaton Aerospace Llc Dba Eaton Aerospace Jackson
6145-01-172-100084014/66-2406P INTERCHANGEABLE
Cable,special Purpose,electrical
Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (drawings)
4820-01-294-5845 INTERCHANGEABLE
Valve,rotary,selector
5805-01-366-9845902-01 ITEM 6 INTERCHANGEABLE
Generator,ringing,machine
Hose-Mccann Telephone Co, Inc
5998-01-490-1538 INTERCHANGEABLE
Circuit Card Assembly
Cross-Reference Index
Part NumberManufacturer
00314-4 PRIMARY Defense Logistics Agency Dba Defense Supply Center Philadelphia (USA)
950-6 Army Air Force Drawings Under Custodianship of the Air Force
Related Parts
3110-00-100-2368INTERCHANGEABLE
BEARING,BALL,ANNULAR
1206LT-1B1
4730-00-180-0776INTERCHANGEABLE
COUPLING HALF,QUICK DISCONNECT
9506
5975-00-187-5295INTERCHANGEABLE
ROD,GROUND
GP26
4730-00-929-6057INTERCHANGEABLE
ELBOW,TUBE
950-6MF
2530-01-096-2230INTERCHANGEABLE
TANK,PRESSURE
SW15214P
1650-01-109-2782INTERCHANGEABLE
SLEEVE
9506
6145-01-172-1000INTERCHANGEABLE
CABLE,SPECIAL PURPOSE,ELECTRICAL
84014/66-2406P
4820-01-294-5845INTERCHANGEABLE
VALVE,ROTARY,SELECTOR
5805-01-366-9845INTERCHANGEABLE
GENERATOR,RINGING,MACHINE
902-01 ITEM 6
5998-01-490-1538INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY

Frequently Asked Questions

What is NSN 5310-00-167-0733?

NSN 5310-00-167-0733 is a Washer,concave, manufactured by Defense Logistics Agency Dba Defense Supply Center Philadelphia, classified under FSC 5310 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5310-00-167-0733?

NSN 5310-00-167-0733 has 2 cross-referenced part numbers: 00314-4 (Defense Logistics Agency Dba Defense Supply Center Philadelphia), 950-6 (Army Air Force Drawings Under Custodianship of the Air Force).

What NSN replaces 5310-00-167-0733?

There are 10 known substitutes for 5310-00-167-0733: 3110-00-100-2368, 4730-00-180-0776, 5975-00-187-5295 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 00314-4?

Key specifications for 00314-4: Hole Diameter: 0.438 INCHES NOMINAL IN; Style Designator: CONCAVE; Material: STEEL OR STEEL COMP 1008 OR STEEL COMP 1009 OR STEEL COMP 1015 OR STEEL COMP 1018 OR STEEL COMP 1020 OR STEEL COMP 1025 OVERALL; Material Thickness: 0.094 INCHES NOMINAL IN. 12 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5310-00-167-0733 still in active supply?

NSN 5310-00-167-0733 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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