PartsTable
Technical Data Sheet
121323 ✓ 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 ADAPTER,STRAIGHT,PIPE TO TUBE is a the manufacturer industrial component. Key specifications include material: PLASTIC POLYHEXAMETHYLENE ADIPAMIDE AND GLASS FIBER OVERALL, nut_style: SLOTTED, HEXAGON, nut_height: 0.318 INCHES MINIMUM AND 0.338 INCHES MAXIMUM IN, shank_height: 0.115 INCHES NOMINAL IN, thread_class: 3B, 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 5310-00-262-6103, 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
121323
NSN: 5310-00-262-6103
FSC: 5310
CAGE: 00198 — PRATT & WHITNEY CANADA CORP DIV PRATT & WHITNEY CANADA CORP. (CAN)
SPECIFICATIONS
materialPLASTIC POLYHEXAMETHYLENE ADIPAMIDE AND GLASS FIBER OVERALL
nut_styleSLOTTED, HEXAGON
nut_height0.318 INCHES MINIMUM AND 0.338 INCHES MAXIMUM IN
shank_height0.115 INCHES NOMINAL IN
thread_class3B
thread_seriesUNF
overall_height0.175 INCHES NOMINAL IN
inside_diameter0.531 INCHES NOMINAL IN
outside_diameter1.250 INCHES NOMINAL IN
style_designatorSHOULDER
thread_directionRIGHT-HAND
surface_treatmentCADMIUM OVERALL
NSN5310-00-262-6103
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 121323 · 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
NUT HEIGHT: 0.318 INCHES MINIMUM AND 0.338 INCHES MAXIMUM IN
THREAD CLASS: 3B
NOMINAL THREAD SIZE: 0.438 INCHES IN
BEARING SURFACE TYPE: WASHER FACED
THREAD QUANTITY PER INCH: 20
THREAD SERIES: UNF
MATERIAL: STEEL OVERALL
SURFACE TREATMENT: CADMIUM OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
NUT HEIGHT0.318 INCHES MINIMUM AND 0.338 INCHES MAXIMUM IN
THREAD CLASS3B
NOMINAL THREAD SIZE0.438 INCHES IN
BEARING SURFACE TYPEWASHER FACED
THREAD QUANTITY PER INCH20
THREAD SERIESUNF
MATERIALSTEEL OVERALL
SURFACE TREATMENTCADMIUM OVERALL
THREAD DIRECTIONRIGHT-HAND
WIDTH ACROSS FLATS0.612 INCHES MINIMUM AND 0.625 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
46F-6-4Interchangeable
interchangeable cross-reference
interchangeable
816494Interchangeable
interchangeable cross-reference
interchangeable
0ME126-25APC80NInterchangeable
interchangeable cross-reference
interchangeable
121323Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 121323?
121323 is a ADAPTER,STRAIGHT,PIPE TO TUBE.
What parts can replace 121323?
There are 4 known substitutes for 121323: 46F-6-4, 816494, 0ME126-25APC80N and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 121323?
121323 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-262-6103. This indicates validated use in U.S. government and defense supply chains.
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