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MBL1001-4D22 — PACKING NUT

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

MBL1001-4D22: PACKING NUT.

The PACKING NUT is a the manufacturer industrial component. Key specifications include material: STEEL COMP 316, casehardening_indicator: NOT CASEHARDENED, end_item_identification: A6N CHILLED WATER A/C SYSTEMS. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-007-6225, 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
MBL1001-4D22
NSN: 5310-00-007-6225
NIINs: 000076225, 010507929
FSC: 5310 — Nuts and Washers
CAGE: 06816 — PALL CORP DIV PALL CORPORATION (USA)
SPECIFICATIONS
materialSTEEL COMP 316
casehardening_indicatorNOT CASEHARDENED
end_item_identificationA6N CHILLED WATER A/C SYSTEMS
NSN5310-00-007-6225
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: MBL1001-4D22 · 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 2
MBL1001-4D2ZReference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
9418788Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is MBL1001-4D22?
MBL1001-4D22 is a PACKING NUT.
What parts can replace MBL1001-4D22?
There are 2 known substitutes for MBL1001-4D22: MBL1001-4D2Z, 9418788. Substitute compatibility should be verified for your specific system.
What is the NSN for MBL1001-4D22?
MBL1001-4D22 is cataloged in the U.S. Government catalog under NSN 5310-00-007-6225. 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.