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HS5975-02 — WASHER,FLAT

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

HS5975-02: WASHER,FLAT.

The WASHER,FLAT is a the manufacturer industrial component. Key specifications include material: STEEL COMP 301 OR STEEL COMP 303 OVERALL, hole_diameter: 1.995 INCHES NOMINAL IN, surface_treatment: PASSIVATE OVERALL, peripheral_shape_style: ROUND, center_hole_shape_style: ROUND, end_item_identification: 1520-01-106-9519, HELICOPTER, APACHE AH-64. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-463-1755, 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
HS5975-02
NSN: 5310-01-463-1755
NIINs: 014631755, 015480433
FSC: 5310 — Nuts and Washers
CAGE: 0BD96 — ADVANCED MACHINING & FABRICATING INC DIV ADVANCED PLASTICS INC (USA)
SPECIFICATIONS
materialSTEEL COMP 301 OR STEEL COMP 303 OVERALL
hole_diameter1.995 INCHES NOMINAL IN
surface_treatmentPASSIVATE OVERALL
peripheral_shape_styleROUND
center_hole_shape_styleROUND
end_item_identification1520-01-106-9519, HELICOPTER, APACHE AH-64
material_document_and_classificationASTM A 240 NATIONAL STD/SPEC ALL MATERIAL RESPONSES OR ASTM A 666 NATIONAL STD/SPEC ALL MATERIAL RESPONSES OR AMS 5640 NATIONAL STD/SPEC ALL MATERIAL RESPONSES OVERALL
part_name_assigned_by_controlling_agencyWASHER, AIRFRAME
surface_treatment_document_and_classificationQQ-P-35 MIL STD ALL TREATMENT RESPONSES OVERALL
NSN5310-01-463-1755
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: HS5975-02 · 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
SUBSTITUTES & CROSS-REFERENCES 1
HS5975-04Reference document
Same NSN cross-reference
Reference document — Vendor item drawing reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is HS5975-02?
HS5975-02 is a WASHER,FLAT.
What parts can replace HS5975-02?
There is 1 known substitute for HS5975-02: HS5975-04. Substitute compatibility should be verified for your specific system.
What is the NSN for HS5975-02?
HS5975-02 is cataloged in the U.S. Government catalog under NSN 5310-01-463-1755. This indicates validated use in U.S. government and defense supply chains.
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