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PartsTable / COMPONENT / 172951
172951 ✓ 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 MOUNT,TRANSISTOR is a the manufacturer industrial component. Key specifications include material: STEEL COMP 8740 OVERALL, hole_diameter: 0.261 INCHES MINIMUM AND 0.271 INCHES MAXIMUM IN, shoulder_height: 0.075 INCHES NOMINAL IN, outside_diameter: 0.552 INCHES MINIMUM AND 0.572 INCHES MAXIMUM IN, style_designator: SHOULDERED, shoulder_diameter: 0.293 INCHES MINIMUM AND 0.303 INCHES MAXIMUM IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-209-6000, 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
172951
NSN: 5310-00-209-6000
FSC: 5310
CAGE: 00198 — PRATT & WHITNEY CANADA CORP DIV PRATT & WHITNEY CANADA CORP. (CAN)
SPECIFICATIONS
materialSTEEL COMP 8740 OVERALL
hole_diameter0.261 INCHES MINIMUM AND 0.271 INCHES MAXIMUM IN
shoulder_height0.075 INCHES NOMINAL IN
outside_diameter0.552 INCHES MINIMUM AND 0.572 INCHES MAXIMUM IN
style_designatorSHOULDERED
shoulder_diameter0.293 INCHES MINIMUM AND 0.303 INCHES MAXIMUM IN
surface_treatmentCADMIUM OVERALL
material_thickness0.084 INCHES MINIMUM AND 0.104 INCHES MAXIMUM IN
material_document_and_classificationAMS 6322 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
surface_treatment_document_and_classificationAMS 2400 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
NSN5310-00-209-6000
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 172951 · 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
•
SHOULDER DIAMETER: 0.293 INCHES MINIMUM AND 0.303 INCHES MAXIMUM IN
•
MATERIAL THICKNESS: 0.084 INCHES MINIMUM AND 0.104 INCHES MAXIMUM IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS 6322 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: AMS 2400 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
•
STYLE DESIGNATOR: SHOULDERED
•
HOLE DIAMETER: 0.261 INCHES MINIMUM AND 0.271 INCHES MAXIMUM IN
•
MATERIAL: STEEL COMP 8740 OVERALL
•
SURFACE TREATMENT: CADMIUM OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
SHOULDER DIAMETER0.293 INCHES MINIMUM AND 0.303 INCHES MAXIMUM IN
MATERIAL THICKNESS0.084 INCHES MINIMUM AND 0.104 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 6322 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONAMS 2400 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
STYLE DESIGNATORSHOULDERED
HOLE DIAMETER0.261 INCHES MINIMUM AND 0.271 INCHES MAXIMUM IN
MATERIALSTEEL COMP 8740 OVERALL
SURFACE TREATMENTCADMIUM OVERALL
OUTSIDE DIAMETER0.552 INCHES MINIMUM AND 0.572 INCHES MAXIMUM IN
SHOULDER HEIGHT0.075 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
17295-1Interchangeable
interchangeable cross-reference
interchangeable
GPW3281Interchangeable
interchangeable cross-reference
interchangeable
6292Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 172951?
172951 is a MOUNT,TRANSISTOR.
What parts can replace 172951?
There are 3 known substitutes for 172951: 17295-1, GPW3281, 6292. Substitute compatibility should be verified for your specific system.
What is the NSN for 172951?
172951 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-209-6000. 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