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PartsTable / COMPONENT / LS12906-44
LS12906-44 ✓ 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 WASHER,FLAT is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY 268 OR COPPER ALLOY 11 OVERALL, thickness: 0.022 INCHES MINIMUM AND 0.042 INCHES MAXIMUM IN, hole_diameter: 0.164 INCHES MINIMUM AND 0.184 INCHES MAXIMUM IN, overall_diameter: 0.370 INCHES MINIMUM AND 0.395 INCHES MAXIMUM IN, peripheral_shape_style: ROUND, center_hole_shape_style: ROUND. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-167-0700, 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
LS12906-44
NSN: 5310-00-167-0700
FSC: 5310
CAGE: 98897 — LOCKHEED MARTIN CORP (USA)
SPECIFICATIONS
materialCOPPER ALLOY 268 OR COPPER ALLOY 11 OVERALL
thickness0.022 INCHES MINIMUM AND 0.042 INCHES MAXIMUM IN
hole_diameter0.164 INCHES MINIMUM AND 0.184 INCHES MAXIMUM IN
overall_diameter0.370 INCHES MINIMUM AND 0.395 INCHES MAXIMUM IN
peripheral_shape_styleROUND
center_hole_shape_styleROUND
cross-sectional_shape_styleRECTANGULAR
material_document_and_classificationQQ-B-613 FED SPEC ALL MATERIAL RESPONSES OVERALL
NSN5310-00-167-0700
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: LS12906-44 · 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
•
THICKNESS: 0.022 INCHES MINIMUM AND 0.042 INCHES MAXIMUM IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-B-613 FED SPEC ALL MATERIAL RESPONSES OVERALL
•
MATERIAL: COPPER ALLOY 268 OR COPPER ALLOY 11 OVERALL
•
PERIPHERAL SHAPE STYLE: ROUND
•
HOLE DIAMETER: 0.164 INCHES MINIMUM AND 0.184 INCHES MAXIMUM IN
•
OVERALL DIAMETER: 0.370 INCHES MINIMUM AND 0.395 INCHES MAXIMUM IN
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
CENTER HOLE SHAPE STYLE: ROUND
TECHNICAL CHARACTERISTICS (FLIS)
THICKNESS0.022 INCHES MINIMUM AND 0.042 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-B-613 FED SPEC ALL MATERIAL RESPONSES OVERALL
MATERIALCOPPER ALLOY 268 OR COPPER ALLOY 11 OVERALL
PERIPHERAL SHAPE STYLEROUND
HOLE DIAMETER0.164 INCHES MINIMUM AND 0.184 INCHES MAXIMUM IN
OVERALL DIAMETER0.370 INCHES MINIMUM AND 0.395 INCHES MAXIMUM IN
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
CENTER HOLE SHAPE STYLEROUND
VERIFIED SUBSTITUTES & CROSS-REFERENCES 27
965214-1Interchangeable
interchangeable cross-reference
interchangeable
5291Interchangeable
interchangeable cross-reference
interchangeable
GGG-W-646Interchangeable
interchangeable cross-reference
interchangeable
41W1988-125Interchangeable
interchangeable cross-reference
interchangeable
8193647Interchangeable
interchangeable cross-reference
interchangeable
AN960B8Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is LS12906-44?
LS12906-44 is a WASHER,FLAT.
What parts can replace LS12906-44?
There are 27 known substitutes for LS12906-44: 965214-1, 5291, GGG-W-646 and 24 more. Substitute compatibility should be verified for your specific system.
Is LS12906-44 still available?
LS12906-44 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