PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

396-5Washer,flat

Ontic Engineering & Manufacturing, Inc Dba Ontic Us · NSN 5310-00-576-9739 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-576-9739 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-576-9739. Primary manufacturer part number: 396-5.
Features
  • Washer,flat — FSC 5310
  • Cross-Sectional Shape Style: RECTANGULAR
  • Thickness: 0.032 INCHES NOMINAL IN
  • Overall Diameter: 0.687 INCHES NOMINAL IN
  • Center Hole Shape Style: ROUND
  • Hole Diameter: 0.515 INCHES NOMINAL IN
  • Peripheral Shape Style: ROUND
  • 8 verified cross-references
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Washer,flat, cataloged under National Stock Number 5310-00-576-9739, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Ontic Engineering & Manufacturing, Inc Dba Ontic Us. Government technical data includes 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 8 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5310-00-576-9739
Primary Part Number396-5
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerOntic Engineering & Manufacturing, Inc Dba Ontic Us
StatusCANCELLED
Cross-Sectional Shape StyleRECTANGULAR
Thickness0.032 INCHES NOMINAL IN
Overall Diameter0.687 INCHES NOMINAL IN
Center Hole Shape StyleROUND
Hole Diameter0.515 INCHES NOMINAL IN
Peripheral Shape StyleROUND
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5961-00-009-64903965 INTERCHANGEABLE
Semiconductor Device,diode
General Microwave Corporation Div Kratos Microwave Electronics
6670-00-071-624636-11-1-32 INTERCHANGEABLE
Load Cell,force-Weight
Celtech Corporation Div Use CAGE 65552 for All Orders
5340-00-075-989910105385-7 INTERCHANGEABLE
Plate,mending
Us Army Aviation and Missile Command
5910-00-118-9967921-0032-010 INTERCHANGEABLE
Capacitor,variable,air Dielectri
Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems
6240-00-143-75103965 INTERCHANGEABLE
Lamp,incandescent
Aimtron Systems, Llc
5950-00-242-2412SA112 INTERCHANGEABLE
Transformer,radio Frequency
Pax Mfg Corp Hammarlund Mfg Co Div
6680-00-400-3847BTV3-4C INTERCHANGEABLE
Meter,flow Rate Indicating
Hersey Measurement Co Div of Miller Industries Inc
5306-00-601-5106 INTERCHANGEABLE
Bolt,ribbed Shoulder
5905-01-050-031492J2K2 INTERCHANGEABLE
Resistor,fixed,wire Wound,induct
Ohmite Holding, L.l.c. Dba Ohmite Manufacturing
1650-01-200-64003965 INTERCHANGEABLE
Cartridge,hydraulic
Pneudraulics, Inc.
Cross-Reference Index
Part NumberManufacturer
396-5 PRIMARY Ontic Engineering & Manufacturing, Inc Dba Ontic Us (USA)
104001R1 Navistar International Corporation Dba Navistar (USA)
104001R1 Navistar Intl Corp Truck Br Ohio Plant (USA)
600P19 Oshkosh Defense Llc (USA)
600P19 Oshkosh Corp (USA)
396-5 Donallco Inc (USA)
7409280 U S Army Tank Automotive Command Amsta-Im-Mm (USA)
KC4190 Diamond Reo Truck Co (USA)
Related Parts
5961-00-009-6490INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
3965
6670-00-071-6246INTERCHANGEABLE
LOAD CELL,FORCE-WEIGHT
36-11-1-32
5340-00-075-9899INTERCHANGEABLE
PLATE,MENDING
10105385-7
5910-00-118-9967INTERCHANGEABLE
CAPACITOR,VARIABLE,AIR DIELECTRI
921-0032-010
6240-00-143-7510INTERCHANGEABLE
LAMP,INCANDESCENT
3965
5950-00-242-2412INTERCHANGEABLE
TRANSFORMER,RADIO FREQUENCY
SA112
6680-00-400-3847INTERCHANGEABLE
METER,FLOW RATE INDICATING
BTV3-4C
5306-00-601-5106INTERCHANGEABLE
BOLT,RIBBED SHOULDER
5905-01-050-0314INTERCHANGEABLE
RESISTOR,FIXED,WIRE WOUND,INDUCT
92J2K2
1650-01-200-6400INTERCHANGEABLE
CARTRIDGE,HYDRAULIC
3965
5330-01-242-0748INTERCHANGEABLE
GASKET
396-5
6520-01-282-8907INTERCHANGEABLE
CROWN,DENTAL,TEMPORARY
7000053369

Frequently Asked Questions

What is NSN 5310-00-576-9739?

NSN 5310-00-576-9739 is a Washer,flat, manufactured by Ontic Engineering & Manufacturing, Inc Dba Ontic Us, classified under FSC 5310 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5310-00-576-9739?

NSN 5310-00-576-9739 has 8 cross-referenced part numbers: 396-5 (Ontic Engineering & Manufacturing, Inc Dba Ontic Us), 104001R1 (Navistar International Corporation Dba Navistar), 104001R1 (Navistar Intl Corp Truck Br Ohio Plant), 600P19 (Oshkosh Defense Llc), 600P19 (Oshkosh Corp) and 3 more.

What NSN replaces 5310-00-576-9739?

There are 12 known substitutes for 5310-00-576-9739: 5961-00-009-6490, 6670-00-071-6246, 5340-00-075-9899 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 396-5?

Key specifications for 396-5: Cross-Sectional Shape Style: RECTANGULAR; Thickness: 0.032 INCHES NOMINAL IN; Overall Diameter: 0.687 INCHES NOMINAL IN; Center Hole Shape Style: ROUND. 6 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5310-00-576-9739 still in active supply?

NSN 5310-00-576-9739 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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