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A51B35521-5 — NUT ASSEMBLY,STABIL

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

A51B35521-5: NUT ASSEMBLY,STABIL.

The NUT ASSEMBLY,STABIL is a the manufacturer industrial component. Key specifications include general_characteristics_item_description: 4.540 IN. O/A LG,0.960 IN.

H,3.000-16 UNJ 3B THD SIZE IN, part_name_assigned_by_controlling_agency: NAVY SPECIAL PROJECT. This part is cataloged in the U.S. Government catalog under NSN 5310-01-059-2754, 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
A51B35521-5
NSN: 5310-01-059-2754
FSC: 5310 — Nuts and Washers
CAGE: 79RG9 — NORTHROP GRUMMAN SYSTEMS CORPORATION (USA)
SPECIFICATIONS
general_characteristics_item_description4.540 IN. O/A LG,0.960 IN. H,3.000-16 UNJ 3B THD SIZE IN
part_name_assigned_by_controlling_agencyNAVY SPECIAL PROJECT
NSN5310-01-059-2754
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: A51B35521-5 · 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
•
GENERAL CHARACTERISTICS ITEM DESCRIPTION: 4.540 IN. O/A LG,0.960 IN. H,3.000-16 UNJ 3B THD SIZE IN
TECHNICAL CHARACTERISTICS
GENERAL CHARACTERISTICS ITEM DESCRIPTION4.540 IN. O/A LG,0.960 IN. H,3.000-16 UNJ 3B THD SIZE IN
PART NAME ASSIGNED BY CONTROLLING AGENCYNAVY SPECIAL PROJECT
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 A51B35521-5?
A51B35521-5 is a NUT ASSEMBLY,STABIL.
What is the NSN for A51B35521-5?
A51B35521-5 is cataloged in the U.S. Government catalog under NSN 5310-01-059-2754. 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.