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Technical Data Sheet
PartsTable / COMPONENT / 1005005174192
1005005174192 ✓ Verified by PartsTable
— · NUT WASHER
WHAT YOU NEED TO KNOW
Match nut grade to bolt grade for full strength Lock nuts prevent loosening under vibration
Don't mix grades — weakens the joint
PRODUCT OVERVIEW

The WASHER,FLAT is a the manufacturer industrial component. Key specifications include material: STEEL COMP 1010 OVERALL, thickness: 0.057 INCHES MINIMUM AND 0.067 INCHES MAXIMUM IN, hole_diameter: 0.250 INCHES NOMINAL IN, heat_treatment: QUENCHED AND TEMPERED, overall_diameter: 0.495 INCHES MINIMUM AND 0.505 INCHES MAXIMUM IN, surface_treatment: PHOSPHATE OVERALL. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-517-4192, indicating validated use in U.S.

government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels. Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
1005005174192
NSN: 5310-00-517-4192
FSC: 5310
CAGE: A00AM — E.C.A ETABLISSEMENT CENTRAL DES APPROVISIONNEMENTS DES FORCES ARMEES ROYALES
SPECIFICATIONS
materialSTEEL COMP 1010 OVERALL
thickness0.057 INCHES MINIMUM AND 0.067 INCHES MAXIMUM IN
hole_diameter0.250 INCHES NOMINAL IN
heat_treatmentQUENCHED AND TEMPERED
overall_diameter0.495 INCHES MINIMUM AND 0.505 INCHES MAXIMUM IN
surface_treatmentPHOSPHATE OVERALL
peripheral_shape_styleROUND
center_hole_shape_styleROUND
end_item_identificationMACHINE GUN,CAL. .50 (M2); NSN 1005-00-322-9715
cross-sectional_shape_styleRECTANGULAR
material_document_and_classificationQQ-S-634 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN5310-00-517-4192
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 1005005174192 · OEM ⚠ VERIFY BEFORE ORDERING Grade matters for torque spec — don't mix grades. A Grade 5 nut on a Grade 8 bolt weakens the joint. Lock nuts, wing nuts, and castle nuts are NOT interchangeable with standard hex ✓ BROKER TIP Match nut to bolt thread class and material. Stainless bolt + zinc nut = galvanic corrosion. Always verify finish matches (plain, zinc, hot-dip galvanized) PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
OVERALL DIAMETER: 0.495 INCHES MINIMUM AND 0.505 INCHES MAXIMUM IN
•
MATERIAL: STEEL COMP 1010 OVERALL
•
HOLE DIAMETER: 0.250 INCHES NOMINAL IN
•
PERIPHERAL SHAPE STYLE: ROUND
•
HEAT TREATMENT: QUENCHED AND TEMPERED
•
THICKNESS: 0.057 INCHES MINIMUM AND 0.067 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
OVERALL DIAMETER0.495 INCHES MINIMUM AND 0.505 INCHES MAXIMUM IN
MATERIALSTEEL COMP 1010 OVERALL
END ITEM IDENTIFICATIONMACHINE GUN,CAL. .50 (M2); NSN 1005-00-322-9715
HOLE DIAMETER0.250 INCHES NOMINAL IN
PERIPHERAL SHAPE STYLEROUND
HEAT TREATMENTQUENCHED AND TEMPERED
THICKNESS0.057 INCHES MINIMUM AND 0.067 INCHES MAXIMUM IN
CENTER HOLE SHAPE STYLEROUND
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-634 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
A10726Interchangeable
interchangeable cross-reference
interchangeable
A2048-1Interchangeable
interchangeable cross-reference
interchangeable
A-20185Interchangeable
interchangeable cross-reference
interchangeable
10-2204 ITEM 233Interchangeable
interchangeable cross-reference
interchangeable
20-185Interchangeable
interchangeable cross-reference
interchangeable
5174192Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1005005174192?
1005005174192 is a WASHER,FLAT.
What parts can replace 1005005174192?
There are 6 known substitutes for 1005005174192: A10726, A2048-1, A-20185 and 3 more. Substitute compatibility should be verified for your specific system.
Is 1005005174192 still available?
1005005174192 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026