PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

00314-5Washer,concave

Defense Logistics Agency Dba Defense Supply Center Philadelphia · NSN 5310-00-167-0734 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-167-0734 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-167-0734. Primary manufacturer part number: 00314-5.
Features
  • Washer,concave — FSC 5310
  • Material Thickness: 0.125 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
  • 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
  • Surface Treatment: CADMIUM OR ZINC OVERALL
  • Style Designator: CONCAVE
  • Outside Diameter: 1.250 INCHES NOMINAL IN
  • Surface Finish: 63.0 MICROINCHES ALL SURFACES
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 5310-00-167-0734, 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 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-00-167-0734
Primary Part Number00314-5
Item NameWasher,concave
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerDefense Logistics Agency Dba Defense Supply Center Philadelphia
StatusACTIVE
Material Thickness0.125 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
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
Surface TreatmentCADMIUM OR ZINC OVERALL
Style DesignatorCONCAVE
Outside Diameter1.250 INCHES NOMINAL IN
Surface Finish63.0 MICROINCHES ALL SURFACES
Recess Diameter0.688 INCHES NOMINAL IN
Hardness Rating70.0 ROCKWELL B MINIMUM AND 86.0 ROCKWELL B MAXIMUM
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
Radius0.495 INCHES MINIMUM AND 0.505 INCHES MAXIMUM IN
Hole Diameter0.500 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
3110-00-107-7554207SZ INTERCHANGEABLE
Bearing,ball,annular
Skf Usa Inc.
4820-00-133-3457 INTERCHANGEABLE
Valve,safety Relief
3020-00-272-59869507 INTERCHANGEABLE
Gear,spur
Cummins Inc.
5330-00-599-54914001321-1 INTERCHANGEABLE
Gasket
Agco Corp Parts Opn
5310-00-982-7985 INTERCHANGEABLE
Washer,flat
6515-01-174-23979507 INTERCHANGEABLE
Tip,enema
E-Z-Em Inc
4310-01-307-93619507 INTERCHANGEABLE
Head,valve
Leslie Controls, Inc. Dba Leslie Controls Inc
5120-01-323-20909507 INTERCHANGEABLE
Tool,hand Crimp,cyc
Positronic Industries Inc Div Amphenol Military Aerospace Operations
6625-01-546-9112003145 INTERCHANGEABLE
Cylinder,gas
Calgaz Llc Div Air Liquide Advanced Technologies Us, Llc
Cross-Reference Index
Part NumberManufacturer
950-7 Department of the Air Force (USA)
00314-5 PRIMARY Defense Logistics Agency Dba Defense Supply Center Philadelphia (USA)
AN950-7 Aeronautical Standards Group Dept of Navy and Air Force (USA)
Related Parts
3110-00-107-7554INTERCHANGEABLE
BEARING,BALL,ANNULAR
207SZ
4820-00-133-3457INTERCHANGEABLE
VALVE,SAFETY RELIEF
3020-00-272-5986INTERCHANGEABLE
GEAR,SPUR
9507
5330-00-599-5491INTERCHANGEABLE
GASKET
4001321-1
5310-00-982-7985INTERCHANGEABLE
WASHER,FLAT
6515-01-174-2397INTERCHANGEABLE
TIP,ENEMA
9507
4310-01-307-9361INTERCHANGEABLE
HEAD,VALVE
9507
5120-01-323-2090INTERCHANGEABLE
TOOL,HAND CRIMP,CYC
9507
6625-01-546-9112INTERCHANGEABLE
CYLINDER,GAS
003145

Frequently Asked Questions

What is NSN 5310-00-167-0734?

NSN 5310-00-167-0734 is a Washer,concave, manufactured by Defense Logistics Agency Dba Defense Supply Center Philadelphia, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-167-0734?

NSN 5310-00-167-0734 has 3 cross-referenced part numbers: 950-7 (Department of the Air Force), 00314-5 (Defense Logistics Agency Dba Defense Supply Center Philadelphia), AN950-7 (Aeronautical Standards Group Dept of Navy and Air Force).

What NSN replaces 5310-00-167-0734?

There are 9 known substitutes for 5310-00-167-0734: 3110-00-107-7554, 4820-00-133-3457, 3020-00-272-5986 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 00314-5?

Key specifications for 00314-5: Material Thickness: 0.125 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; 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; Surface Treatment: CADMIUM OR ZINC OVERALL. 12 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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