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Technical Data Sheet
PartsTable / COMPONENT / 84/0044-4
84/0044-4 ✓ Verified by PartsTable
— · NUT WASHER
WHAT YOU NEED TO KNOW
Match nut grade to bolt grade for full strength Lock nuts prevent loosening under vibration
Don't mix grades — weakens the joint
PRODUCT OVERVIEW

The 84/0044-4 is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-876-0086, 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
84/0044-4
NSN: 5310-00-876-0086
FSC: 5310
CAGE: U8005 — COVENTRY CLIMAX POWER SYSTEMS LTD (GBR)
SPECIFICATIONS
Part Number84/0044-4
NSN5310-00-876-0086
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 84/0044-4 · 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
•
OUTSIDE DIAMETER: 0.412 INCHES MINIMUM AND 0.432 INCHES MAXIMUM IN
•
MATERIAL: PLASTIC POLYHEXAMETHYLENE ADIPAMIDE OVERALL
•
STYLE DESIGNATOR: RECESSED
•
COLOR: BLACK OVERALL
•
MATERIAL DOCUMENT AND CLASSIFICATION: L-P-410 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
RECESS DEPTH: 0.060 INCHES NOMINAL IN
•
HOLE DIAMETER: 0.240 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
OUTSIDE DIAMETER0.412 INCHES MINIMUM AND 0.432 INCHES MAXIMUM IN
MATERIALPLASTIC POLYHEXAMETHYLENE ADIPAMIDE OVERALL
STYLE DESIGNATORRECESSED
COLORBLACK OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONL-P-410 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
RECESS DEPTH0.060 INCHES NOMINAL IN
OVERALL HEIGHT0.070 INCHES MINIMUM AND 0.090 INCHES MAXIMUM IN
HOLE DIAMETER0.240 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN
MATERIAL THICKNESS0.010 INCHES MINIMUM AND 0.030 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 15
78666Interchangeable
interchangeable cross-reference
interchangeable
SG-43Interchangeable
interchangeable cross-reference
interchangeable
52687Interchangeable
interchangeable cross-reference
interchangeable
SM-B-148457Interchangeable
interchangeable cross-reference
interchangeable
PL52535 ITEM 6Interchangeable
interchangeable cross-reference
interchangeable
8400444Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 84/0044-4?
84/0044-4 is a 84/0044-4.
What parts can replace 84/0044-4?
There are 15 known substitutes for 84/0044-4: 78666, SG-43, 52687 and 12 more. Substitute compatibility should be verified for your specific system.
Is 84/0044-4 still available?
84/0044-4 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026