PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1-4 TWasher,flat

Navistar Intl Corp Truck Br Ohio Plant · NSN 5310-00-044-6170 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-044-6170 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-044-6170. Primary manufacturer part number: 1-4 T.
Features
  • Washer,flat — FSC 5310
  • Overall Diameter: 0.521 INCHES MINIMUM AND 0.541 INCHES MAXIMUM IN
  • Center Hole Shape Style: ROUND
  • Peripheral Shape Style: ROUND
  • Nondefinitive Spec/std Data: A TYPE
  • Departure From Cited Document: AS MODIFIED BY SURFACE TREATMENT
  • Surface Treatment: CADMIUM OR ZINC OVERALL
  • Material: STEEL COMP 1010 OR STEEL COMP 1015 OR STEEL COMP 1016 OR STEEL COMP 1018 OR STEEL COMP 1019 OR STEEL COMP 1020 OVERALL
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp 1010 or Steel Comp 1015 or Steel Comp 1016 or Steel Comp 1018 or Steel Comp 1019 or Steel Comp 1020 Overall construction
General Description

The Washer,flat, cataloged under National Stock Number 5310-00-044-6170, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Navistar Intl Corp Truck Br Ohio Plant. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 14 commercial cross-references from 12 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-00-044-6170
Primary Part Number1-4 T
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerNavistar Intl Corp Truck Br Ohio Plant
StatusACTIVE
Overall Diameter0.521 INCHES MINIMUM AND 0.541 INCHES MAXIMUM IN
Center Hole Shape StyleROUND
Peripheral Shape StyleROUND
Nondefinitive Spec/std DataA TYPE
Departure From Cited DocumentAS MODIFIED BY SURFACE TREATMENT
Surface TreatmentCADMIUM OR ZINC OVERALL
MaterialSTEEL COMP 1010 OR STEEL COMP 1015 OR STEEL COMP 1016 OR STEEL COMP 1018 OR STEEL COMP 1019 OR STEEL COMP 1020 OVERALL
Hole Diameter0.224 INCHES MINIMUM AND 0.244 INCHES MAXIMUM IN
Cross-Sectional Shape StyleRECTANGULAR
Thickness0.036 INCHES MINIMUM AND 0.065 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
4730-00-350-6695 INTERCHANGEABLE
Sleeve
5940-00-958-0066KS44 INTERCHANGEABLE
Splice,conductor
Souriau Usa, Inc. Dba Souriau Usa Inc
1650-01-167-09581881-409 INTERCHANGEABLE
Fitting Assembly,swivel
Goodrich Corporation
6520-01-222-8511 INTERCHANGEABLE
Pattern,dental Casting
5935-01-370-6763446170 INTERCHANGEABLE
Connector,plug,electrical
Hitchcock Welding and Fabricating
5120-01-601-516814T INTERCHANGEABLE
Wrench,plier
Stanley Tools Div of Stanley Works
Cross-Reference Index
Part NumberManufacturer
1881409 General Motors Corp Delco Remy Div (USA)
446170 Army Weapons Command Attn Amswe-Ree-S (USA)
139712H Navistar Intl Corp Truck Br Ohio Plant (USA)
MILW1085TYPEA Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
1-4 T PRIMARY Navistar Intl Corp Truck Br Ohio Plant (USA)
139712H Navistar International Corporation Dba Navistar (USA)
1881409 General Motors Corp AC-Delco Div Government Order Dept (USA)
1881409 Rolls-Royce Solutions America Inc (USA)
1881409 General Motors Corp (USA)
1881409 Diamond Reo Truck Co (USA)
126755 Brockway Motor Trucks Div of Mack Trucks Inc (USA)
446170 General Motors Corp (USA)
1881409 Corbitt Co Inc (USA)
1881409 PRIMARY Borgwarner Pds (anderson), L.l.c. (USA)
Related Parts
4730-00-350-6695INTERCHANGEABLE
SLEEVE
5940-00-958-0066INTERCHANGEABLE
SPLICE,CONDUCTOR
KS44
1650-01-167-0958INTERCHANGEABLE
FITTING ASSEMBLY,SWIVEL
1881-409
6520-01-222-8511INTERCHANGEABLE
PATTERN,DENTAL CASTING
5935-01-370-6763INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
446170
5120-01-601-5168INTERCHANGEABLE
WRENCH,PLIER
14T

Frequently Asked Questions

What is NSN 5310-00-044-6170?

NSN 5310-00-044-6170 is a Washer,flat, manufactured by Navistar Intl Corp Truck Br Ohio Plant, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-044-6170?

NSN 5310-00-044-6170 has 14 cross-referenced part numbers: 1881409 (General Motors Corp Delco Remy Div), 446170 (Army Weapons Command Attn Amswe-Ree-S), 139712H (Navistar Intl Corp Truck Br Ohio Plant), MILW1085TYPEA (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 1-4 T (Navistar Intl Corp Truck Br Ohio Plant) and 9 more.

What NSN replaces 5310-00-044-6170?

There are 6 known substitutes for 5310-00-044-6170: 4730-00-350-6695, 5940-00-958-0066, 1650-01-167-0958 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1-4 T?

Key specifications for 1-4 T: Overall Diameter: 0.521 INCHES MINIMUM AND 0.541 INCHES MAXIMUM IN; Center Hole Shape Style: ROUND; Peripheral Shape Style: ROUND; Nondefinitive Spec/std Data: A TYPE. 10 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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