PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

NAS391B6PWasher,finishing

National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use · NSN 5310-00-198-9315 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-198-9315 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-198-9315. Primary manufacturer part number: NAS391B6P.
Features
  • Washer,finishing — FSC 5310
  • Outside Diameter: 0.442 INCHES MINIMUM AND 0.448 INCHES MAXIMUM IN
  • Style Designator: FINISHING
  • Hole Diameter: 0.179 INCHES MINIMUM AND 0.185 INCHES MAXIMUM IN
  • Material Thickness: 0.015 INCHES MINIMUM AND 0.021 INCHES MAXIMUM IN
  • Material: STEEL OR COPPER ALLOY OVERALL
  • 2 verified cross-references
  • Primary manufacturer: National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel or Copper Alloy Overall construction
General Description

The Washer,finishing, cataloged under National Stock Number 5310-00-198-9315, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use. Government technical data includes 5 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. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-00-198-9315
Primary Part NumberNAS391B6P
Item NameWasher,finishing
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerNational Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
StatusACTIVE
Outside Diameter0.442 INCHES MINIMUM AND 0.448 INCHES MAXIMUM IN
Style DesignatorFINISHING
Hole Diameter0.179 INCHES MINIMUM AND 0.185 INCHES MAXIMUM IN
Material Thickness0.015 INCHES MINIMUM AND 0.021 INCHES MAXIMUM IN
MaterialSTEEL OR COPPER ALLOY OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
2530-00-424-055417454 INTERCHANGEABLE
Lining,friction
Cmbf Products Inc
5310-00-726-9348G386C6 INTERCHANGEABLE
Washer,finishing
Northrop Grumman Systems Corporation
Cross-Reference Index
Part NumberManufacturer
C192 Edwin B. Stimpson Company, Inc. Dba Stimpson (USA)
NAS391B6P PRIMARY National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use (USA)
Related Parts
2530-00-424-0554INTERCHANGEABLE
LINING,FRICTION
17454
5310-00-726-9348INTERCHANGEABLE
WASHER,FINISHING
G386C6

Frequently Asked Questions

What is NSN 5310-00-198-9315?

NSN 5310-00-198-9315 is a Washer,finishing, manufactured by National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-198-9315?

NSN 5310-00-198-9315 has 2 cross-referenced part numbers: C192 (Edwin B. Stimpson Company, Inc. Dba Stimpson), NAS391B6P (National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use).

What NSN replaces 5310-00-198-9315?

There are 2 known substitutes for 5310-00-198-9315: 2530-00-424-0554, 5310-00-726-9348. Verify interchangeability with system specifications before substitution.

What are the specifications of NAS391B6P?

Key specifications for NAS391B6P: Outside Diameter: 0.442 INCHES MINIMUM AND 0.448 INCHES MAXIMUM IN; Style Designator: FINISHING; Overall Height: 0.084 INCHES MINIMUM AND 0.090 INCHES MAXIMUM IN; Hole Diameter: 0.179 INCHES MINIMUM AND 0.185 INCHES MAXIMUM IN. 6 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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