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UHK31385-1 — WASHER,FLAT

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

UHK31385-1: WASHER,FLAT.

The WASHER,FLAT is a the manufacturer industrial component. Key specifications include material: STEEL COMP 301 OVERALL, thickness: 0.063 INCHES NOMINAL IN, hole_diameter: 0.765 INCHES NOMINAL IN, overall_diameter: 1.170 INCHES NOMINAL IN, surface_treatment: PASSIVATE OVERALL, peripheral_shape_style: ROUND. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-717-4733, 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
UHK31385-1
NSN: 5310-01-717-4733
FSC: 5310 — Nuts and Washers
CAGE: 0YJB5 — GENERAL ATOMICS AERONAUTICAL SYSTEMS, INC. (USA)
SPECIFICATIONS
materialSTEEL COMP 301 OVERALL
thickness0.063 INCHES NOMINAL IN
hole_diameter0.765 INCHES NOMINAL IN
overall_diameter1.170 INCHES NOMINAL IN
surface_treatmentPASSIVATE OVERALL
peripheral_shape_styleROUND
center_hole_shape_styleROUND
end_item_identificationPROTECTOR MQ9B
cross-sectional_shape_styleBLANK RECTANGULAR
part_name_assigned_by_controlling_agencyWASHER, .750 BOLT, 1.170 OD
NSN5310-01-717-4733
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: UHK31385-1 · 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
•
OVERALL DIAMETER: 1.170 INCHES NOMINAL IN
•
CROSS-SECTIONAL SHAPE STYLE: BLANK RECTANGULAR
•
SURFACE TREATMENT: PASSIVATE OVERALL
•
PERIPHERAL SHAPE STYLE: ROUND
•
MATERIAL: STEEL COMP 301 OVERALL
•
CENTER HOLE SHAPE STYLE: ROUND
TECHNICAL CHARACTERISTICS
OVERALL DIAMETER1.170 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLEBLANK RECTANGULAR
SURFACE TREATMENTPASSIVATE OVERALL
PERIPHERAL SHAPE STYLEROUND
PART NAME ASSIGNED BY CONTROLLING AGENCYWASHER, .750 BOLT, 1.170 OD
END ITEM IDENTIFICATIONPROTECTOR MQ9B
MATERIALSTEEL COMP 301 OVERALL
CENTER HOLE SHAPE STYLEROUND
HOLE DIAMETER0.765 INCHES NOMINAL IN
THICKNESS0.063 INCHES NOMINAL IN
OTHER ITEMS IN FSC 5310 — Nuts and Washers
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5310-00-000-0040 5310-00-000-0077 5310-00-000-0079 5310-00-000-1146 5310-00-000-3815 5310-00-000-4532 5310-00-000-4540
SUBSTITUTES & CROSS-REFERENCES 1
UHK31385Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is UHK31385-1?
UHK31385-1 is a WASHER,FLAT.
What parts can replace UHK31385-1?
There is 1 known substitute for UHK31385-1: UHK31385. Substitute compatibility should be verified for your specific system.
What is the NSN for UHK31385-1?
UHK31385-1 is cataloged in the U.S. Government catalog under NSN 5310-01-717-4733. This indicates validated use in U.S. government and defense supply chains.
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