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6573623 — PROJECTILE,5 INCH 54 CALIBER BOD

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

6573623: PROJECTILE,5 INCH 54 CALIBER BOD.

PROJECTILE,5 INCH 54 CALIBER BOD. Key specifications include gross_weight: 3062.0 SHIPPING CONTAINER POUNDS AND 3062.0 PALLET POUNDS, unable_to_decode: UNABLE TO DECODE, type/model_designation: MK64 MOD 2, package_reference_number: 2838292, package_nominal_overall_width_and_type: 40.00 INCHES SHIPPING CONTAINER IN, package_nominal_overall_height_and_type: 29.50 INCHES SHIPPING CONTAINER IN. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-043-0596, 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
6573623
NSN: 5310-01-043-0596
NIINs: 010430596, 013133697
FSC: 5310 — Nuts and Washers
CAGE: 37558 — IMT PARTNERSHIP DBA IMT DEFENCE (CAN)
SPECIFICATIONS
gross_weight3062.0 SHIPPING CONTAINER POUNDS AND 3062.0 PALLET POUNDS
unable_to_decodeUNABLE TO DECODE
type/model_designationMK64 MOD 2
package_reference_number2838292
package_nominal_overall_width_and_type40.00 INCHES SHIPPING CONTAINER IN
package_nominal_overall_height_and_type29.50 INCHES SHIPPING CONTAINER IN
package_nominal_overall_length_and_type48.00 INCHES SHIPPING CONTAINER IN
NSN5310-01-043-0596
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 6573623 · 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
•
WIDTH ACROSS FLATS: 3.750 INCHES NOMINAL IN
•
THREAD SERIES: UN
•
HOLE CONFIGURATION STYLE: CONFIGURATION H
•
THREAD DIRECTION: RIGHT-HAND
•
NOMINAL THREAD SIZE: 2.625 INCHES IN
•
NUT HEIGHT: 0.313 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN
•
DRILLED HOLE DIAMETER: 0.281 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
WIDTH ACROSS FLATS3.750 INCHES NOMINAL IN
THREAD SERIESUN
HOLE CONFIGURATION STYLECONFIGURATION H
THREAD DIRECTIONRIGHT-HAND
NOMINAL THREAD SIZE2.625 INCHES IN
NUT HEIGHT0.313 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN
DRILLED HOLE DIAMETER0.281 INCHES NOMINAL IN
SPECIAL FEATURESFURNISHED WITH LOCKING STUD
NUT STYLEPLAIN, OCTAGON
THREAD CLASS2B
SUBSTITUTES & CROSS-REFERENCES 4
M10HN101Reference document
Same NSN cross-reference
Reference document — Secondary reference
51-1116Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
R009316Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
103103-002Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 6573623?
6573623 is a PROJECTILE,5 INCH 54 CALIBER BOD.
What parts can replace 6573623?
There are 4 known substitutes for 6573623: M10HN101, 51-1116, R009316 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 6573623?
6573623 is cataloged in the U.S. Government catalog under NSN 5310-01-043-0596. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.