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PartsTable / COMPONENT / 115-958
115-958 ✓ 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 BLADE,NUTDRIVER is a the manufacturer industrial component. Key specifications include end_item_identification: COOPER/XCELITE SERIES 99 HANDLES, general_characteristics_item_description: STEEL; 3/16 IN. HEX SIZE; 3-5/8 IN.

LG IN, Form Factor: Blade. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-039-5538, 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
115-958
NSN: 5310-00-039-5538
FSC: 5310
CAGE: 88818 — KEARFOTT CORPORATION DIV GUIDANCE AND NAVIGATION DIVISION (USA)
SPECIFICATIONS
end_item_identificationCOOPER/XCELITE SERIES 99 HANDLES
general_characteristics_item_descriptionSTEEL; 3/16 IN. HEX SIZE; 3-5/8 IN. LG IN
Form FactorBlade
NSN5310-00-039-5538
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 115-958 · 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
•
MATERIAL: ALUMINUM ALLOY 5052 OVERALL
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-A-250/8 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-A-696 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
•
HOLE DIAMETER: 0.168 INCHES MINIMUM AND 0.178 INCHES MAXIMUM IN
•
SURFACE TREATMENT: ANODIZE OVERALL
•
PERIPHERAL SHAPE STYLE: ROUND
•
THICKNESS: 0.059 INCHES MINIMUM AND 0.069 INCHES MAXIMUM IN
•
OVERALL DIAMETER: 1.365 INCHES MINIMUM AND 1.385 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALALUMINUM ALLOY 5052 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-250/8 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-A-696 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
HOLE DIAMETER0.168 INCHES MINIMUM AND 0.178 INCHES MAXIMUM IN
SURFACE TREATMENTANODIZE OVERALL
PERIPHERAL SHAPE STYLEROUND
THICKNESS0.059 INCHES MINIMUM AND 0.069 INCHES MAXIMUM IN
OVERALL DIAMETER1.365 INCHES MINIMUM AND 1.385 INCHES MAXIMUM IN
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
CENTER HOLE SHAPE STYLEROUND
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
996Interchangeable
interchangeable cross-reference
interchangeable
272SC236Interchangeable
interchangeable cross-reference
interchangeable
TMT-99-6Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 115-958?
115-958 is a BLADE,NUTDRIVER.
What parts can replace 115-958?
There are 3 known substitutes for 115-958: 996, 272SC236, TMT-99-6. Substitute compatibility should be verified for your specific system.
Is 115-958 still available?
115-958 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