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Technical Data Sheet
PartsTable / COMPONENT / 956-345
956-345 ✓ 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 ROTOR,PUMP is a the manufacturer industrial component. Key specifications include end_item_identification: RQ-1, pump_design_control_activity: SC265. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-832-7782, 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
956-345
NSN: 5310-00-832-7782
FSC: 5310
CAGE: 58275 — SASCO INC CANADIAN DIV
SPECIFICATIONS
end_item_identificationRQ-1
pump_design_control_activitySC265
NSN5310-00-832-7782
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 956-345 · 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
•
EYE BODY THICKNESS: 0.297 INCHES MINIMUM AND 0.328 INCHES MAXIMUM IN
•
NOMINAL THREAD SIZE: 0.500 INCHES IN
•
THREAD SERIES: UNF
•
HOLE HEIGHT: 0.594 INCHES MINIMUM AND 0.656 INCHES MAXIMUM IN
•
THREAD QUANTITY PER INCH: 20
•
MATERIAL: COPPER ALLOY 360 OVERALL
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-B-626,COMP 22 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
NUT WIDTH: 1.109 INCHES MINIMUM AND 1.141 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
EYE BODY THICKNESS0.297 INCHES MINIMUM AND 0.328 INCHES MAXIMUM IN
NOMINAL THREAD SIZE0.500 INCHES IN
THREAD SERIESUNF
HOLE HEIGHT0.594 INCHES MINIMUM AND 0.656 INCHES MAXIMUM IN
THREAD QUANTITY PER INCH20
MATERIALCOPPER ALLOY 360 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-B-626,COMP 22 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
NUT WIDTH1.109 INCHES MINIMUM AND 1.141 INCHES MAXIMUM IN
OVERALL HEIGHT1.625 INCHES NOMINAL IN
BODY DIAMETER0.859 INCHES MINIMUM AND 0.891 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
A609Interchangeable
interchangeable cross-reference
interchangeable
A6097AInterchangeable
interchangeable cross-reference
interchangeable
1679-500Interchangeable
interchangeable cross-reference
interchangeable
B-351-097Interchangeable
interchangeable cross-reference
interchangeable
380-3Interchangeable
interchangeable cross-reference
interchangeable
C-4261Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 956-345?
956-345 is a ROTOR,PUMP.
What parts can replace 956-345?
There are 11 known substitutes for 956-345: A609, A6097A, 1679-500 and 8 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 956-345?
956-345 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-832-7782. 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