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PartsTable / COMPONENT / B5-45-3038
B5-45-3038 ✓ 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 NUT,CHANNEL CLAMPING is a the manufacturer industrial component. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-974-5159, 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
B5-45-3038
NSN: 5310-00-974-5159
FSC: 5310
CAGE: 81361 — EDGEWOOD CHEMICAL BIOLOGICAL CENTER ECBC (USA)
SPECIFICATIONS
general_characteristics_item_descriptionSTEEL,QQ-S-633,TY 1,CL 3,1.078 IN. LG,0.625 IN. W,0.312 IN. H,0.375-16 UNC 2B THD HOLE,SPRING 1.250 IN. H ATTACHED TO THD HOLE IN
NSN5310-00-974-5159
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: B5-45-3038 · 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
•
GENERAL CHARACTERISTICS ITEM DESCRIPTION: STEEL,QQ-S-633,TY 1,CL 3,1.078 IN. LG,0.625 IN. W,0.312 IN. H,0.375-16 UNC 2B THD HOLE,SPRING 1.250 IN. H ATTACHED TO THD HOLE IN
TECHNICAL CHARACTERISTICS (FLIS)
GENERAL CHARACTERISTICS ITEM DESCRIPTIONSTEEL,QQ-S-633,TY 1,CL 3,1.078 IN. LG,0.625 IN. W,0.312 IN. H,0.375-16 UNC 2B THD HOLE,SPRING 1.250 IN. H ATTACHED TO THD HOLE IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
A1008Interchangeable
interchangeable cross-reference
interchangeable
A2216Interchangeable
interchangeable cross-reference
interchangeable
1655831-4Interchangeable
interchangeable cross-reference
interchangeable
1655831Interchangeable
interchangeable cross-reference
interchangeable
BP4909Interchangeable
interchangeable cross-reference
interchangeable
2073G1Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is B5-45-3038?
B5-45-3038 is a NUT,CHANNEL CLAMPING.
What parts can replace B5-45-3038?
There are 14 known substitutes for B5-45-3038: A1008, A2216, 1655831-4 and 11 more. Substitute compatibility should be verified for your specific system.
What is the NSN for B5-45-3038?
B5-45-3038 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-974-5159. 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