PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

P860Washer,flat

Bae Systems Land & Armaments L.p. · NSN 5310-00-012-0393 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-012-0393 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-012-0393. Primary manufacturer part number: P860.
Features
  • Washer,flat — FSC 5310
  • Overall Diameter: 0.688 INCHES NOMINAL IN
  • Material Document and Classification: QQ-S-633 COMP FS1010 TO FS1020-CANCELED FED SPEC SINGLE MATERIAL RESPONSE OVERALL
  • Nondefinitive Spec/std Data: A TYPE
  • Departure From Cited Document: AS MODIFIEDBY SURFACE FINISH
  • Peripheral Shape Style: ROUND
  • Center Hole Shape Style: ROUND
  • Thickness: 0.065 INCHES NOMINAL IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Overall construction
General Description

The Washer,flat, cataloged under National Stock Number 5310-00-012-0393, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Bae Systems Land & Armaments L.p.. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 24 commercial cross-references from 20 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-00-012-0393
Primary Part NumberP860
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerBae Systems Land & Armaments L.p.
StatusACTIVE
Overall Diameter0.688 INCHES NOMINAL IN
Material Document and ClassificationQQ-S-633 COMP FS1010 TO FS1020-CANCELED FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Nondefinitive Spec/std DataA TYPE
Departure From Cited DocumentAS MODIFIEDBY SURFACE FINISH
Peripheral Shape StyleROUND
Center Hole Shape StyleROUND
Thickness0.065 INCHES NOMINAL IN
Surface TreatmentCADMIUM OR ZINC OVERALL
Cross-Sectional Shape StyleRECTANGULAR
Hole Diameter0.344 INCHES NOMINAL IN
MaterialSTEEL OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5920-00-050-4972 INTERCHANGEABLE
Fuse,cartridge
5310-00-081-4219 INTERCHANGEABLE
Washer,flat
8455-00-200-4596 INTERCHANGEABLE
Insignia,shoulder Sleeve
3040-00-231-6392 INTERCHANGEABLE
Plate,retaining,shaft
5970-00-280-98637610647 INTERCHANGEABLE
Insulator,washer
Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate
5950-00-421-89439918 INTERCHANGEABLE
Transformer,power
Standex Electronics, Inc.
5360-00-485-3795A1533 INTERCHANGEABLE
Spring,helical,extension
Curtiss-Wright Controls, Inc. Div Actuation Division
6610-00-629-0083A1555 INTERCHANGEABLE
Tear Band,cover
Kelly Manufacturing Company
5310-00-809-3078 INTERCHANGEABLE
Washer,flat
5905-01-089-6508 INTERCHANGEABLE
Resistor,fixed,wire Wound
Cross-Reference Index
Part NumberManufacturer
120393 General Motors Corp (USA)
120393 General Motors Llc Dba General Motors Llc (USA)
120393 Delphi France SAS (FRA)
P860 Fmc Corp (USA)
P860 PRIMARY Bae Systems Land & Armaments L.p. (USA)
A1555 PRIMARY Am General Llc (USA)
53821 PRIMARY Am General Llc (USA)
A1533 PRIMARY Am General Llc (USA)
487956 PRIMARY Stewart-Warner Corporation (USA)
351355S7 Ford Motor Co Ford Parts and Service Div Government Part Sales (USA)
87468C Brockway Motor Trucks Div of Mack Trucks Inc (USA)
120393 Army Weapons Command Attn Amswe-Ree-S (USA)
52S5Z Corbitt Co Inc (USA)
MILW1085TYPEA Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
34746S7S8 Ford Motor Co Ford Parts and Service Div Government Part Sales (USA)
PC120393 Power Components (deutschland) Gmbh (DEU)
120393 PRIMARY Chrysler Realty Company Llc Dba Daimler Chrysler (USA)
120393 Diamond Reo Truck Co (USA)
34746S7 Ford Motor Co Ford Parts and Service Div Government Part Sales (USA)
R20532 Pressed Metals of America Inc (USA)
Related Parts
5920-00-050-4972INTERCHANGEABLE
FUSE,CARTRIDGE
5310-00-081-4219INTERCHANGEABLE
WASHER,FLAT
8455-00-200-4596INTERCHANGEABLE
INSIGNIA,SHOULDER SLEEVE
3040-00-231-6392INTERCHANGEABLE
PLATE,RETAINING,SHAFT
5970-00-280-9863INTERCHANGEABLE
INSULATOR,WASHER
7610647
5950-00-421-8943INTERCHANGEABLE
TRANSFORMER,POWER
9918
5360-00-485-3795INTERCHANGEABLE
SPRING,HELICAL,EXTENSION
A1533
6610-00-629-0083INTERCHANGEABLE
TEAR BAND,COVER
A1555
5310-00-809-3078INTERCHANGEABLE
WASHER,FLAT
5905-01-089-6508INTERCHANGEABLE
RESISTOR,FIXED,WIRE WOUND
2590-01-131-1493INTERCHANGEABLE
KNUCKLE
487956C91
2530-01-248-8849INTERCHANGEABLE
ADAPTER,SPLINED HUB
12-0393

Frequently Asked Questions

What is NSN 5310-00-012-0393?

NSN 5310-00-012-0393 is a Washer,flat, manufactured by Bae Systems Land & Armaments L.p., classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-012-0393?

NSN 5310-00-012-0393 has 24 cross-referenced part numbers: 120393 (General Motors Corp), 120393 (General Motors Llc Dba General Motors Llc), 120393 (Delphi France SAS), P860 (Fmc Corp), P860 (Bae Systems Land & Armaments L.p.) and 19 more.

What NSN replaces 5310-00-012-0393?

There are 12 known substitutes for 5310-00-012-0393: 5920-00-050-4972, 5310-00-081-4219, 8455-00-200-4596 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of P860?

Key specifications for P860: Overall Diameter: 0.688 INCHES NOMINAL IN; Material Document and Classification: QQ-S-633 COMP FS1010 TO FS1020-CANCELED FED SPEC SINGLE MATERIAL RESPONSE OVERALL; Nondefinitive Spec/std Data: A TYPE; Departure From Cited Document: AS MODIFIEDBY SURFACE FINISH. 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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