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3422-12 — NUT,SELF-LOCKING,HEXAGON

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

3422-12: NUT,SELF-LOCKING,HEXAGON.

The NUT,SELF-LOCKING,HEXAGON is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, nut_style: HEXAGON, locking_feature: FREE-RUNNING ALL METAL DESIGN, thread_direction: RIGHT-HAND, part_name_assigned_by_controlling_agency: BSPP BULKHEAD LOCKNUT. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-665-0805, 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
3422-12
NSN: 5310-01-665-0805
FSC: 5310 — Nuts and Washers
CAGE: 3FHE0 — TOMPKINS INDUSTRIES INC (USA)
SPECIFICATIONS
materialSTEEL OVERALL
nut_styleHEXAGON
locking_featureFREE-RUNNING ALL METAL DESIGN
thread_directionRIGHT-HAND
part_name_assigned_by_controlling_agencyBSPP BULKHEAD LOCKNUT
NSN5310-01-665-0805
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 3422-12 · 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
•
THREAD DIRECTION: RIGHT-HAND
•
LOCKING FEATURE: FREE-RUNNING ALL METAL DESIGN
•
NUT STYLE: HEXAGON
•
MATERIAL: STEEL OVERALL
TECHNICAL CHARACTERISTICS
THREAD DIRECTIONRIGHT-HAND
LOCKING FEATUREFREE-RUNNING ALL METAL DESIGN
PART NAME ASSIGNED BY CONTROLLING AGENCYBSPP BULKHEAD LOCKNUT
NUT STYLEHEXAGON
MATERIALSTEEL OVERALL
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

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 3422-12?
3422-12 is a NUT,SELF-LOCKING,HEXAGON.
What is the NSN for 3422-12?
3422-12 is cataloged in the U.S. Government catalog under NSN 5310-01-665-0805. 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.