PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

358549Bolt,assembled Washer

General Motors Corp Chevrolet Motor Div Special Products Dept · NSN 5306-01-158-2023 · FSC 5306 · No Item Name Available
Verified by PartsTable
NSN 5306-01-158-2023 — this item is cataloged by the U.S. Government under National Stock Number 5306-01-158-2023. Primary manufacturer part number: 358549.
Features
  • Bolt,assembled Washer — FSC 5306
  • Width Between Flats: 0.489 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN
  • Thread Quantity Per Inch: 18
  • Thread Class: 3A A
  • Primary Washer Style: SPLIT HELICAL RING
  • Material Document and Classification: SAE ASSN STD SINGLE MATERIAL RESPONSE PRIMARY WASHER
  • Surface Treatment: CHROMIUM OVERALL
  • Primary Washer Outside Diameter: 1.000 INCHES MINIMUM AND 1.020 INCHES MAXIMUM IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp 1050 Primary Washer construction
General Description

The Bolt,assembled Washer, cataloged under National Stock Number 5306-01-158-2023, is classified within Federal Supply Class 5306 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is General Motors Corp Chevrolet Motor Div Special Products Dept. Government technical data includes 22 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. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5306-01-158-2023
Primary Part Number358549
Item NameBolt,assembled Washer
FSC / FSG5306 / 53 — No Item Name Available
ManufacturerGeneral Motors Corp Chevrolet Motor Div Special Products Dept
StatusACTIVE
Width Between Flats0.489 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN
Thread Quantity Per Inch18
Thread Class3A A
Primary Washer StyleSPLIT HELICAL RING
Material Document and ClassificationSAE ASSN STD SINGLE MATERIAL RESPONSE PRIMARY WASHER
Surface TreatmentCHROMIUM OVERALL
Primary Washer Outside Diameter1.000 INCHES MINIMUM AND 1.020 INCHES MAXIMUM IN
Head Height0.208 INCHES MINIMUM AND 0.230 INCHES MAXIMUM IN
Thread DirectionRIGHT-HAND
Thread Series DesignatorUNRC
MaterialSTEEL COMP 1050 PRIMARY WASHER
Material Document and ClassificationG-275-M,FSCM 11862 MFR REF SINGLE MATERIAL RESPONSE FASTENER
Washer Quantity1
Hardness Rating30.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM FASTENER
Hardness Rating40.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM PRIMARY WASHER
Primary Washer Material Thickness0.035 INCHES MINIMUM AND 0.045 INCHES MAXIMUM IN
Fastener Length2.700 INCHES MINIMUM AND 2.800 INCHES MAXIMUM IN
MaterialSTEEL FASTENER
Thread Length2.490 INCHES MINIMUM AND 2.800 INCHES MAXIMUM IN
Head StyleDISHED HEXAGON
Nominal Thread Diameter0.312 INCHES IN
Surface Treatment Document and ClassificationGM 4251-M CODE 20,FSCM 11862 MFR REF SINGLE TREATMENT RESPONSE OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
3040-01-196-1504 INTERCHANGEABLE
Lever,remote Control
Cross-Reference Index
Part NumberManufacturer
358549 General Motors Corp Chevrolet Motor Div Special Products Dept (USA)
358549 General Motors Llc Dba General Motors Llc (USA)
Related Parts
3040-01-196-1504INTERCHANGEABLE
LEVER,REMOTE CONTROL

Frequently Asked Questions

What is NSN 5306-01-158-2023?

NSN 5306-01-158-2023 is a Bolt,assembled Washer, manufactured by General Motors Corp Chevrolet Motor Div Special Products Dept, classified under FSC 5306 (No Item Name Available). Status: active.

What are the part numbers for NSN 5306-01-158-2023?

NSN 5306-01-158-2023 has 2 cross-referenced part numbers: 358549 (General Motors Corp Chevrolet Motor Div Special Products Dept), 358549 (General Motors Llc Dba General Motors Llc).

What NSN replaces 5306-01-158-2023?

There is 1 known substitute for 5306-01-158-2023: 3040-01-196-1504. Verify interchangeability with system specifications before substitution.

What are the specifications of 358549?

Key specifications for 358549: Width Between Flats: 0.489 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN; Thread Quantity Per Inch: 18; Thread Class: 3A A; Primary Washer Style: SPLIT HELICAL RING. 22 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com