PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

12306Washer,flat

Barrett Firearms Manufacturing, Inc. Dba Barrett Firearms Manufacturing Inc · NSN 5310-01-628-4489 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-01-628-4489 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-628-4489. Primary manufacturer part number: 12306.
Features
  • Washer,flat — FSC 5310
  • 1 verified cross-reference
  • Primary manufacturer: Barrett Firearms Manufacturing, Inc. Dba Barrett Firearms Manufacturing Inc
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Washer,flat, cataloged under National Stock Number 5310-01-628-4489, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Barrett Firearms Manufacturing, Inc. Dba Barrett Firearms Manufacturing Inc. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameWasher,flat
FSC / FSG5310 — No Item Name Available (FSG 53)
ManufacturersBarrett Firearms Manufacturing, Inc. Dba Barrett Firearms Manufacturing Inc (CAGE 0BT64)
Technical Specifications
ParameterValue
NSN5310-01-628-4489
Primary Part Number12306
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerBarrett Firearms Manufacturing, Inc. Dba Barrett Firearms Manufacturing Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
5133-00-228-1324 INTERCHANGEABLE
Drill,twist
5970-00-486-8402228-TB INTERCHANGEABLE
Insulator,bushing
Abb Installation Products Inc
3230-00-628-9936 INTERCHANGEABLE
Blade,jig Saw,woodworking
5330-01-333-446712306 INTERCHANGEABLE
Gasket
Rexnord Industries Llc
5310-01-607-27931230-6 INTERCHANGEABLE
Nut,plain,hexagon
Terex Usa, Llc Dba Terex Usa, Llc
5310-01-681-1896 INTERCHANGEABLE
Nut,plain,hexagon
Cross-Reference Index
Part NumberManufacturer
12306 PRIMARY Barrett Firearms Manufacturing, Inc. Dba Barrett Firearms Manufacturing Inc (USA)
Related Parts
5133-00-228-1324INTERCHANGEABLE
DRILL,TWIST
5970-00-486-8402INTERCHANGEABLE
INSULATOR,BUSHING
228-TB
3230-00-628-9936INTERCHANGEABLE
BLADE,JIG SAW,WOODWORKING
5330-01-333-4467INTERCHANGEABLE
GASKET
12306
5310-01-607-2793INTERCHANGEABLE
NUT,PLAIN,HEXAGON
1230-6
5310-01-681-1896INTERCHANGEABLE
NUT,PLAIN,HEXAGON

Frequently Asked Questions

What is NSN 5310-01-628-4489?

NSN 5310-01-628-4489 is a Washer,flat, manufactured by Barrett Firearms Manufacturing, Inc. Dba Barrett Firearms Manufacturing Inc, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-01-628-4489?

NSN 5310-01-628-4489 has 1 cross-referenced part number: 12306 (Barrett Firearms Manufacturing, Inc. Dba Barrett Firearms Manufacturing Inc).

What NSN replaces 5310-01-628-4489?

There are 6 known substitutes for 5310-01-628-4489: 5133-00-228-1324, 5970-00-486-8402, 3230-00-628-9936 and 3 more. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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