PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

170575Screw,assembled Washer

Army Weapons Command Attn Amswe-Ree-S · NSN 5305-00-019-0575 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-00-019-0575 — this item is cataloged by the U.S. Government under National Stock Number 5305-00-019-0575. Primary manufacturer part number: 170575.
Features
  • Screw,assembled Washer — FSC 5305
  • Primary Washer Material Thickness: 0.023 INCHES MINIMUM AND 0.028 INCHES MAXIMUM IN
  • Nominal Thread Diameter: 0.250 INCHES IN
  • Thread Length: 0.398 INCHES MINIMUM AND 0.469 INCHES MAXIMUM IN
  • Primary Washer Style: FLAT EXTERNAL TEETH
  • Head Height: 0.172 INCHES MINIMUM AND 0.190 INCHES MAXIMUM IN
  • Thread Class: 2A A
  • Head Style: HEXAGON
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp 1020 or Steel Comp 1050 Overall construction
General Description

The Screw,assembled Washer, cataloged under National Stock Number 5305-00-019-0575, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Army Weapons Command Attn Amswe-Ree-S. Government technical data includes 19 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5305-00-019-0575
Primary Part Number170575
Item NameScrew,assembled Washer
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerArmy Weapons Command Attn Amswe-Ree-S
StatusACTIVE
Primary Washer Material Thickness0.023 INCHES MINIMUM AND 0.028 INCHES MAXIMUM IN
Nominal Thread Diameter0.250 INCHES IN
Thread Length0.398 INCHES MINIMUM AND 0.469 INCHES MAXIMUM IN
Primary Washer StyleFLAT EXTERNAL TEETH
Head Height0.172 INCHES MINIMUM AND 0.190 INCHES MAXIMUM IN
Thread Class2A A
Head StyleHEXAGON
MaterialSTEEL COMP 1020 OR STEEL COMP 1050 OVERALL
Surface Treatment Document and ClassificationQQ-P-416,TY 1,CL 3 FED SPEC 1ST TREATMENT RESPONSE OR QQ-Z-325,TY 1,CL 3 FED SPEC 2ND TREATMENT RESPONSE OVERALL
Thread Series DesignatorUNF
Material Document and ClassificationSAE ASSN STD ALL MATERIAL RESPONSES OVERALL
Washer Quantity1
Surface TreatmentCADMIUM OR ZINC OVERALL
Primary Washer Outside Diameter0.460 INCHES MINIMUM AND 0.475 INCHES MAXIMUM IN
Thread Quantity Per Inch28
Internal Drive StyleSLOT
Thread DirectionRIGHT-HAND
Fastener Length0.469 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN
Width Between Flats0.428 INCHES MINIMUM AND 0.437 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5905-00-589-9950 INTERCHANGEABLE
Resistor,thermal
6635-01-131-0730190575 INTERCHANGEABLE
Magnetic Inspection Unit,station
Illinois Tool Works, Inc. Div Magnaflux
5305-01-161-2339190575 INTERCHANGEABLE
Screw
Whirlpool Corp Dba Whirlpool Corp
5325-01-254-7145190575 INTERCHANGEABLE
Ring,retaining
Woodward, Inc.
Cross-Reference Index
Part NumberManufacturer
170575 Army Weapons Command Attn Amswe-Ree-S (USA)
190575 Diamond Reo Truck Co (USA)
5305000190575 E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales
487351 Stewart-Warner Corporation (USA)
190575 Army Weapons Command Attn Amswe-Ree-S (USA)
190575 General Motors Corp (USA)
Related Parts
5905-00-589-9950INTERCHANGEABLE
RESISTOR,THERMAL
6635-01-131-0730INTERCHANGEABLE
MAGNETIC INSPECTION UNIT,STATION
190575
5305-01-161-2339INTERCHANGEABLE
SCREW
190575
5325-01-254-7145INTERCHANGEABLE
RING,RETAINING
190575

Frequently Asked Questions

What is NSN 5305-00-019-0575?

NSN 5305-00-019-0575 is a Screw,assembled Washer, manufactured by Army Weapons Command Attn Amswe-Ree-S, classified under FSC 5305 (No Item Name Available). Status: active.

What are the part numbers for NSN 5305-00-019-0575?

NSN 5305-00-019-0575 has 6 cross-referenced part numbers: 170575 (Army Weapons Command Attn Amswe-Ree-S), 190575 (Diamond Reo Truck Co), 5305000190575 (E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales), 487351 (Stewart-Warner Corporation), 190575 (Army Weapons Command Attn Amswe-Ree-S) and 1 more.

What NSN replaces 5305-00-019-0575?

There are 4 known substitutes for 5305-00-019-0575: 5905-00-589-9950, 6635-01-131-0730, 5305-01-161-2339 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 170575?

Key specifications for 170575: Primary Washer Material Thickness: 0.023 INCHES MINIMUM AND 0.028 INCHES MAXIMUM IN; Nominal Thread Diameter: 0.250 INCHES IN; Thread Length: 0.398 INCHES MINIMUM AND 0.469 INCHES MAXIMUM IN; Primary Washer Style: FLAT EXTERNAL TEETH. 19 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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