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PartsTable / COMPONENT / W-1-2
W-1-2 ✓ 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 SOCKET,SOCKET WRENCH is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, fuel_type: ACETYLENE, thickness: 0.016 INCHES NOMINAL IN, hole_diameter: 0.266 INCHES MINIMUM AND 0.272 INCHES MAXIMUM IN, overall_length: 0.875 INCHES NOMINAL IN, drive_end_shape: SQUARE SINGLE END INTERNAL. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-010-6265, 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
W-1-2
NSN: 5310-00-010-6265
FSC: 5310
CAGE: 72540 — DAYTON-WALTHER CORP (USA)
SPECIFICATIONS
materialSTEEL OVERALL
fuel_typeACETYLENE
thickness0.016 INCHES NOMINAL IN
hole_diameter0.266 INCHES MINIMUM AND 0.272 INCHES MAXIMUM IN
overall_length0.875 INCHES NOMINAL IN
drive_end_shapeSQUARE SINGLE END INTERNAL
hardness_rating50.0 ROCKWELL B MINIMUM AND 81.0 ROCKWELL B MAXIMUM
size_designator2-13
outside_diameter2.844 INCHES MINIMUM AND 2.874 INCHES MAXIMUM IN
overall_diameter0.517 INCHES MINIMUM AND 0.523 INCHES MAXIMUM IN
style_designatorINTERNAL-INTERNAL
attachment_methodTHREAD
NSN5310-00-010-6265
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: W-1-2 · 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
•
CENTER HOLE SHAPE STYLE: ROUND
•
NONDEFINITIVE SPEC/STD DATA: A TYPE
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-663,COMP FS1010 CANCELED FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
OVERALL DIAMETER: 1.375 INCHES NOMINAL IN
•
THICKNESS: 0.109 INCHES NOMINAL IN
•
MATERIAL: STEEL COMP 1010 OVERALL
•
PERIPHERAL SHAPE STYLE: ROUND
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
TECHNICAL CHARACTERISTICS (FLIS)
CENTER HOLE SHAPE STYLEROUND
NONDEFINITIVE SPEC/STD DATAA TYPE
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-663,COMP FS1010 CANCELED FED SPEC SINGLE MATERIAL RESPONSE OVERALL
OVERALL DIAMETER1.375 INCHES NOMINAL IN
THICKNESS0.109 INCHES NOMINAL IN
MATERIALSTEEL COMP 1010 OVERALL
PERIPHERAL SHAPE STYLEROUND
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
HOLE DIAMETER0.562 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 19
A997CPC30AInterchangeable
interchangeable cross-reference
interchangeable
35518PC14Interchangeable
interchangeable cross-reference
interchangeable
D6991REVBPC33Interchangeable
interchangeable cross-reference
interchangeable
TYPE13-2Interchangeable
interchangeable cross-reference
interchangeable
0324-0072Interchangeable
interchangeable cross-reference
interchangeable
W-1-2Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is W-1-2?
W-1-2 is a SOCKET,SOCKET WRENCH.
What parts can replace W-1-2?
There are 19 known substitutes for W-1-2: A997CPC30A, 35518PC14, D6991REVBPC33 and 16 more. Substitute compatibility should be verified for your specific system.
What is the NSN for W-1-2?
W-1-2 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-010-6265. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026