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MS9321-11 — WASHER,FLAT

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

MS9321-11: WASHER,FLAT.

The WASHER,FLAT is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING OVERALL, thickness: 0.062 INCHES NOMINAL IN, hole_diameter: 0.332 INCHES MINIMUM AND 0.348 INCHES MAXIMUM IN, overall_diameter: 0.615 INCHES MINIMUM AND 0.635 INCHES MAXIMUM IN, peripheral_shape_style: ROUND, center_hole_shape_style: ROUND. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-945-0528, 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
MS9321-11
NSN: 5310-00-945-0528
NIINs: 009450528, 014974194
FSC: 5310 — Nuts and Washers
CAGE: 0U583 — SAE INTERNATIONAL DBA SAE INTERNATIONAL (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING OVERALL
thickness0.062 INCHES NOMINAL IN
hole_diameter0.332 INCHES MINIMUM AND 0.348 INCHES MAXIMUM IN
overall_diameter0.615 INCHES MINIMUM AND 0.635 INCHES MAXIMUM IN
peripheral_shape_styleROUND
center_hole_shape_styleROUND
end_item_identificationKC-130J; KC-13J
cross-sectional_shape_styleRECTANGULAR
part_name_assigned_by_controlling_agencyWASHER,AIRCRAFT,MATERIAL
NSN5310-00-945-0528
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: MS9321-11 · 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
•
SURFACE FINISH: 63.0 MICROINCHES BOTTOM
•
OVERALL DIAMETER: 0.625 INCHES NOMINAL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS 5510 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
SURFACE TREATMENT: PASSIVATE OVERALL
•
PERIPHERAL SHAPE STYLE: ROUND
•
MATERIAL: STEEL COMP 321 OVERALL
TECHNICAL CHARACTERISTICS
SURFACE FINISH63.0 MICROINCHES BOTTOM
SURFACE FINISH63.0 MICROINCHES TOP
OVERALL DIAMETER0.625 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5510 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
SURFACE TREATMENTPASSIVATE OVERALL
PERIPHERAL SHAPE STYLEROUND
MATERIALSTEEL COMP 321 OVERALL
CENTER HOLE SHAPE STYLEROUND
HOLE DIAMETER0.333 INCHES MINIMUM AND 0.343 INCHES MAXIMUM IN
SUBSTITUTES & CROSS-REFERENCES 7
236-1170P15Reference document
Same NSN cross-reference
Reference document — Replaced / superseded reference
301250Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
5310PL0211511Reference document
Same NSN cross-reference
Reference document — Informative reference only
9682013246Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
5310009450528Reference document
Same NSN cross-reference
Reference document — Informative reference only
N400P42Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is MS9321-11?
MS9321-11 is a WASHER,FLAT.
What parts can replace MS9321-11?
There are 7 known substitutes for MS9321-11: 236-1170P15, 301250, 5310PL0211511 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for MS9321-11?
MS9321-11 is cataloged in the U.S. Government catalog under NSN 5310-00-945-0528. This indicates validated use in U.S. government and defense supply chains.
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