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Technical Data Sheet
PartsTable / COMPONENT / 138547
138547 ✓ 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 BEARING,BALL,ANNULAR is a the manufacturer industrial component. Key specifications include end_item_identification: WESTINGHOUSE FLOW TRANSMITTER W/VARIABLE ELEMENT,MODEL 53N, general_characteristics_item_description: STEEL,QQ-S-633,FS1018. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-013-8547, 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
138547
NSN: 5310-00-013-8547
FSC: 5310
CAGE: 21450 — ARMY WEAPONS COMMAND ATTN AMSWE-REE-S (USA)
SPECIFICATIONS
end_item_identificationWESTINGHOUSE FLOW TRANSMITTER W/VARIABLE ELEMENT,MODEL 53N
general_characteristics_item_descriptionSTEEL,QQ-S-633,FS1018
NSN5310-00-013-8547
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 138547 · 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
•
HOLE DIAMETER: 0.448 INCHES MINIMUM AND 0.464 INCHES MAXIMUM IN
•
MATERIAL THICKNESS: 0.032 INCHES MINIMUM AND 0.040 INCHES MAXIMUM IN
•
SURFACE TREATMENT: PHOSPHATE OVERALL
•
STYLE DESIGNATOR: FLAT INTERNAL TEETH
•
MATERIAL: STEEL COMP 1060 OR STEEL COMP 1065 OR STEEL COMP 1070 OR STEEL COMP 1075 OR STEEL COMP 1080 OVERALL
•
OUTSIDE DIAMETER: 0.740 INCHES MINIMUM AND 0.789 INCHES MAXIMUM IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: -QQ-S-633 CANC FED SPEC ALL MATERIAL RESPONSES OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
HOLE DIAMETER0.448 INCHES MINIMUM AND 0.464 INCHES MAXIMUM IN
MATERIAL THICKNESS0.032 INCHES MINIMUM AND 0.040 INCHES MAXIMUM IN
SURFACE TREATMENTPHOSPHATE OVERALL
STYLE DESIGNATORFLAT INTERNAL TEETH
MATERIALSTEEL COMP 1060 OR STEEL COMP 1065 OR STEEL COMP 1070 OR STEEL COMP 1075 OR STEEL COMP 1080 OVERALL
OUTSIDE DIAMETER0.740 INCHES MINIMUM AND 0.789 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATION-QQ-S-633 CANC FED SPEC ALL MATERIAL RESPONSES OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
138547Interchangeable
interchangeable cross-reference
interchangeable
BRFF1Interchangeable
interchangeable cross-reference
interchangeable
5208KInterchangeable
interchangeable cross-reference
interchangeable
5208WInterchangeable
interchangeable cross-reference
interchangeable
S5101H3235947 PIECE 16Interchangeable
interchangeable cross-reference
interchangeable
N539675 PIECE 16Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 138547?
138547 is a BEARING,BALL,ANNULAR.
What parts can replace 138547?
There are 8 known substitutes for 138547: 138547, BRFF1, 5208K and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 138547?
138547 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-013-8547. 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