PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

3974BWasher,slotted

Howell Laboratories Inc Dba Howell Laboratories Inc · NSN 5310-00-583-4559 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-583-4559 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-583-4559. Primary manufacturer part number: 3974B.
Features
  • Washer,slotted — FSC 5310
  • Material Document and Classification: MS104,FSCM 22501 MFR REF SINGLE MATERIAL RESPONSE OVERALL
  • Material Thickness: 0.038 INCHES MINIMUM AND 0.044 INCHES MAXIMUM IN
  • Material: STEEL COMP 316 OVERALL
  • Outside Diameter: 0.444 INCHES MINIMUM AND 0.448 INCHES MAXIMUM IN
  • Hole Diameter: 0.102 INCHES MINIMUM AND 0.108 INCHES MAXIMUM IN
  • Style Designator: SLOTTED
  • 2 verified cross-references
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp 316 Overall construction
General Description

The Washer,slotted, cataloged under National Stock Number 5310-00-583-4559, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Howell Laboratories Inc Dba Howell Laboratories Inc. Government technical data includes 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-00-583-4559
Primary Part Number3974B
Item NameWasher,slotted
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerHowell Laboratories Inc Dba Howell Laboratories Inc
StatusACTIVE
Material Document and ClassificationMS104,FSCM 22501 MFR REF SINGLE MATERIAL RESPONSE OVERALL
Material Thickness0.038 INCHES MINIMUM AND 0.044 INCHES MAXIMUM IN
MaterialSTEEL COMP 316 OVERALL
Outside Diameter0.444 INCHES MINIMUM AND 0.448 INCHES MAXIMUM IN
Hole Diameter0.102 INCHES MINIMUM AND 0.108 INCHES MAXIMUM IN
Style DesignatorSLOTTED
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5961-00-409-0190 INTERCHANGEABLE
Transistor
5998-01-152-0911 INTERCHANGEABLE
Circuit Card Assembly
2530-01-347-7511 INTERCHANGEABLE
Tie Rod End,steering
6515-01-418-8670397.41 INTERCHANGEABLE
Trocar
Depuy Synthes Sales Inc Dba Depuy Synthes Trauma Div Depuy Synthes Sales, Inc., D/b/a Depuy Synthes Trauma
5305-01-471-320139741 INTERCHANGEABLE
Screw,cap,hexagon Head
Tld Wollard Llc
Cross-Reference Index
Part NumberManufacturer
3974-1 Howell Laboratories Inc Dba Howell Laboratories Inc (USA)
3974B PRIMARY Howell Laboratories Inc Dba Howell Laboratories Inc (USA)
Related Parts
5961-00-409-0190INTERCHANGEABLE
TRANSISTOR
5998-01-152-0911INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
2530-01-347-7511INTERCHANGEABLE
TIE ROD END,STEERING
6515-01-418-8670INTERCHANGEABLE
TROCAR
397.41
5305-01-471-3201INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
39741

Frequently Asked Questions

What is NSN 5310-00-583-4559?

NSN 5310-00-583-4559 is a Washer,slotted, manufactured by Howell Laboratories Inc Dba Howell Laboratories Inc, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-583-4559?

NSN 5310-00-583-4559 has 2 cross-referenced part numbers: 3974-1 (Howell Laboratories Inc Dba Howell Laboratories Inc), 3974B (Howell Laboratories Inc Dba Howell Laboratories Inc).

What NSN replaces 5310-00-583-4559?

There are 5 known substitutes for 5310-00-583-4559: 5961-00-409-0190, 5998-01-152-0911, 2530-01-347-7511 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 3974B?

Key specifications for 3974B: Material Document and Classification: MS104,FSCM 22501 MFR REF SINGLE MATERIAL RESPONSE OVERALL; Material Thickness: 0.038 INCHES MINIMUM AND 0.044 INCHES MAXIMUM IN; Material: STEEL COMP 316 OVERALL; Outside Diameter: 0.444 INCHES MINIMUM AND 0.448 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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