PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

120394Washer,flat

Rolls-Royce Solutions America Inc · NSN 5310-00-582-5977 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-582-5977 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-582-5977. Primary manufacturer part number: 120394.
Features
  • Washer,flat — FSC 5310
  • Center Hole Shape Style: ROUND
  • Cross-Sectional Shape Style: RECTANGULAR
  • Peripheral Shape Style: ROUND
  • Surface Treatment: CADMIUM OR CHROMATE OVERALL
  • Material: STEEL OR IRON OVERALL
  • Thickness: 0.051 INCHES MINIMUM AND 0.080 INCHES MAXIMUM IN
  • Overall Diameter: 0.812 INCHES NOMINAL IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel or Iron Overall construction
General Description

The Washer,flat, cataloged under National Stock Number 5310-00-582-5977, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Rolls-Royce Solutions America Inc. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 20 commercial cross-references from 16 manufacturers, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5310-00-582-5977
Primary Part Number120394
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerRolls-Royce Solutions America Inc
StatusCANCELLED
Center Hole Shape StyleROUND
Cross-Sectional Shape StyleRECTANGULAR
Peripheral Shape StyleROUND
Surface TreatmentCADMIUM OR CHROMATE OVERALL
MaterialSTEEL OR IRON OVERALL
Thickness0.051 INCHES MINIMUM AND 0.080 INCHES MAXIMUM IN
Overall Diameter0.812 INCHES NOMINAL IN
Hole Diameter0.406 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 11
5310-00-080-6004 INTERCHANGEABLE
Washer,flat
5310-00-087-7493 INTERCHANGEABLE
Washer,flat
5310-00-160-9673TR4436 INTERCHANGEABLE
Washer,flat
Komatsu America Corp.
5998-00-167-9596900165-4 INTERCHANGEABLE
Circuit Card Assembly
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp
5310-00-194-9191MS15795-214 INTERCHANGEABLE
Washer,flat
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
6645-00-225-26784080A INTERCHANGEABLE
Wheel,minute Record
Wakmann Watch Company Inc
5950-00-421-29881203-94 INTERCHANGEABLE
Transformer,power
Bae Systems Information and Electronic Systems Integration Inc.
5985-00-478-9269120394 INTERCHANGEABLE
Gear-Oil Pump Dr---
Curtiss-Wright Controls, Inc. Div Actuation Division
4320-00-620-8019120-0394 INTERCHANGEABLE
Pump,rotary
Cummins Power Generation Inc.
6645-00-950-8599 INTERCHANGEABLE
Clock,panel
Cross-Reference Index
Part NumberManufacturer
120394 Navistar International Corporation Dba Navistar (USA)
34747S7 Ford Motor Company (USA)
120394 General Motors Corp (USA)
WAI13CA Ambac International Corporation Div Ambac International (USA)
4080A Brinkley Technology Group Llc Dba Hercules Manufacturing (USA)
MILW1085TYPEA Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
120394 PRIMARY Rolls-Royce Solutions America Inc (USA)
201897A Brinkley Technology Group Llc Dba Hercules Manufacturing (USA)
PC120394 Power Components (deutschland) Gmbh (DEU)
120394 Diamond Reo Truck Co (USA)
MS15795-214 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
34747S7 Ford Motor Co Ford Parts and Service Div Government Part Sales (USA)
120394 General Motors Llc Dba General Motors Llc (USA)
61315H Navistar International Corporation Dba Navistar (USA)
WA406113 PRIMARY Ambac International Corporation Div Ambac International (USA)
201897A Hercules Engine Co Inc (USA)
W1033 Dura Corp (USA)
120394 PRIMARY Chrysler Realty Company Llc Dba Daimler Chrysler (USA)
4080A Hercules Engine Co Inc (USA)
12Z3035-39 Naval Ordnance Standards (USA)
Related Parts
5310-00-080-6004INTERCHANGEABLE
WASHER,FLAT
5310-00-087-7493INTERCHANGEABLE
WASHER,FLAT
5310-00-160-9673INTERCHANGEABLE
WASHER,FLAT
TR4436
5998-00-167-9596INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
900165-4
5310-00-194-9191INTERCHANGEABLE
WASHER,FLAT
MS15795-214
6645-00-225-2678INTERCHANGEABLE
WHEEL,MINUTE RECORD
4080A
5950-00-421-2988INTERCHANGEABLE
TRANSFORMER,POWER
1203-94
5985-00-478-9269INTERCHANGEABLE
GEAR-OIL PUMP DR---
120394
4320-00-620-8019INTERCHANGEABLE
PUMP,ROTARY
120-0394
6645-00-950-8599INTERCHANGEABLE
CLOCK,PANEL
5310-01-065-2596INTERCHANGEABLE
WASHER,FLAT
33115

Frequently Asked Questions

What is NSN 5310-00-582-5977?

NSN 5310-00-582-5977 is a Washer,flat, manufactured by Rolls-Royce Solutions America Inc, classified under FSC 5310 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5310-00-582-5977?

NSN 5310-00-582-5977 has 20 cross-referenced part numbers: 120394 (Navistar International Corporation Dba Navistar), 34747S7 (Ford Motor Company), 120394 (General Motors Corp), WAI13CA (Ambac International Corporation Div Ambac International), 4080A (Brinkley Technology Group Llc Dba Hercules Manufacturing) and 15 more.

What NSN replaces 5310-00-582-5977?

There are 11 known substitutes for 5310-00-582-5977: 5310-00-080-6004, 5310-00-087-7493, 5310-00-160-9673 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 120394?

Key specifications for 120394: Center Hole Shape Style: ROUND; Cross-Sectional Shape Style: RECTANGULAR; Peripheral Shape Style: ROUND; Surface Treatment: CADMIUM OR CHROMATE OVERALL. 8 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5310-00-582-5977 still in active supply?

NSN 5310-00-582-5977 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.
PartsTable Design LLC · partstable.com