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Technical Data Sheet
PartsTable / COMPONENT / 8344934
8344934 ✓ 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 PIN,LOCK is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, prong_length: 0.797 INCHES NOMINAL IN, opening_width: 0.146 INCHES MINIMUM AND 0.166 INCHES MAXIMUM IN, wire_stock_diameter: 0.054 INCHES NOMINAL IN, material_document_and_classification: QQ-W-474 COMP A FED SPEC SINGLE MATERIAL RESPONSE OR QQ-W-474 COMP B FED SPEC SINGLE MATERIAL RESPONSE OVERALL. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-00-597-6079, 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
8344934
NSN: 5315-00-597-6079
FSC: 5315
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
materialSTEEL OVERALL
prong_length0.797 INCHES NOMINAL IN
opening_width0.146 INCHES MINIMUM AND 0.166 INCHES MAXIMUM IN
wire_stock_diameter0.054 INCHES NOMINAL IN
material_document_and_classificationQQ-W-474 COMP A FED SPEC SINGLE MATERIAL RESPONSE OR QQ-W-474 COMP B FED SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN5315-00-597-6079
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 8344934 · 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
•
OPENING WIDTH: 0.146 INCHES MINIMUM AND 0.166 INCHES MAXIMUM IN
•
WIRE STOCK DIAMETER: 0.054 INCHES NOMINAL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-W-474 COMP A FED SPEC SINGLE MATERIAL RESPONSE OR QQ-W-474 COMP B FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
MATERIAL: STEEL OVERALL
•
PRONG LENGTH: 0.797 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
OPENING WIDTH0.146 INCHES MINIMUM AND 0.166 INCHES MAXIMUM IN
WIRE STOCK DIAMETER0.054 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-W-474 COMP A FED SPEC SINGLE MATERIAL RESPONSE OR QQ-W-474 COMP B FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL OVERALL
PRONG LENGTH0.797 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
325618Interchangeable
interchangeable cross-reference
interchangeable
823B1Interchangeable
interchangeable cross-reference
interchangeable
823B4Interchangeable
interchangeable cross-reference
interchangeable
12EHW21Interchangeable
interchangeable cross-reference
interchangeable
218M1Interchangeable
interchangeable cross-reference
interchangeable
305923Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 8344934?
8344934 is a PIN,LOCK.
What parts can replace 8344934?
There are 10 known substitutes for 8344934: 325618, 823B1, 823B4 and 7 more. Substitute compatibility should be verified for your specific system.
Is 8344934 still available?
8344934 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