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PartsTable / COMPONENT / BS5-1669PC39
BS5-1669PC39 ✓ 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,PLAIN,ROUND is a the manufacturer industrial component. Key specifications include material: STEEL COMP 1115 OR STEEL COMP 1117 OR STEEL COMP 1118 OR STEEL COMP 1120 OVERALL, nut_style: ROUND, nut_diameter: 2.188 INCHES NOMINAL IN, thread_class: 3B, nut_thickness: 0.562 INCHES NOMINAL IN, thread_series: UNF. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-275-6694, 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
BS5-1669PC39
NSN: 5310-00-275-6694
FSC: 5310
CAGE: 63857 — CIRCOR NAVAL SOLUTIONS LLC DBA WARREN PUMPS (USA)
SPECIFICATIONS
materialSTEEL COMP 1115 OR STEEL COMP 1117 OR STEEL COMP 1118 OR STEEL COMP 1120 OVERALL
nut_styleROUND
nut_diameter2.188 INCHES NOMINAL IN
thread_class3B
nut_thickness0.562 INCHES NOMINAL IN
thread_seriesUNF
thread_directionRIGHT-HAND
drive_point_depth0.281 INCHES NOMINAL IN
nominal_thread_size0.875 INCHES IN
drive_point_diameter0.281 INCHES NOMINAL IN
drive_point_quantity2
drilled_hole_diameter0.562 INCHES NOMINAL IN
NSN5310-00-275-6694
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: BS5-1669PC39 · 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
•
DRIVE POINT DIAMETER: 0.281 INCHES NOMINAL IN
•
HOLE CONFIGURATION STYLE: CONFIGURATION J
•
THREAD QUANTITY PER INCH: 14
•
THREAD SERIES: UNF
•
NOMINAL THREAD SIZE: 0.875 INCHES IN
•
HOLE TYPE AND QUANTITY: 1 DRILLED
•
DRIVE POINT DEPTH: 0.281 INCHES NOMINAL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-637 FED SPEC ALL MATERIAL RESPONSES OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
DRIVE POINT DIAMETER0.281 INCHES NOMINAL IN
HOLE CONFIGURATION STYLECONFIGURATION J
THREAD QUANTITY PER INCH14
THREAD SERIESUNF
NOMINAL THREAD SIZE0.875 INCHES IN
HOLE TYPE AND QUANTITY1 DRILLED
DRIVE POINT DEPTH0.281 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-637 FED SPEC ALL MATERIAL RESPONSES OVERALL
NUT STYLEROUND
DRILLED HOLE DIAMETER0.562 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
W8-3Interchangeable
interchangeable cross-reference
interchangeable
02-3Interchangeable
interchangeable cross-reference
interchangeable
Q2-3Interchangeable
interchangeable cross-reference
interchangeable
000050219700Interchangeable
interchangeable cross-reference
interchangeable
5266593-002Interchangeable
interchangeable cross-reference
interchangeable
574-7804-812611REVA17Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is BS5-1669PC39?
BS5-1669PC39 is a NUT,PLAIN,ROUND.
What parts can replace BS5-1669PC39?
There are 12 known substitutes for BS5-1669PC39: W8-3, 02-3, Q2-3 and 9 more. Substitute compatibility should be verified for your specific system.
What is the NSN for BS5-1669PC39?
BS5-1669PC39 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-275-6694. 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