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12321662 — NUT,PLAIN,KNURLED

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

12321662: NUT,PLAIN,KNURLED.

The NUT,PLAIN,KNURLED is a the manufacturer industrial component. Key specifications include material: STEEL COMP 1030 OVERALL, nut_style: KNURLED, knurl_width: 0.310 INCHES NOMINAL IN, nut_diameter: 1.375 INCHES NOMINAL IN, thread_class: 2B, nut_thickness: 1.000 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-199-9948, 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
12321662
NSN: 5310-01-199-9948
FSC: 5310 — Nuts and Washers
CAGE: 19200 — COMBAT CAPABILITIES DEVELOPMENT COMMAND (CCDC) ARMAMENTS CENTER DBA CCDC DIV LOGISTICS RESEARCH AND ENGINEERING DIRECTORATE (USA)
SPECIFICATIONS
materialSTEEL COMP 1030 OVERALL
nut_styleKNURLED
knurl_width0.310 INCHES NOMINAL IN
nut_diameter1.375 INCHES NOMINAL IN
thread_class2B
nut_thickness1.000 INCHES NOMINAL IN
thread_seriesUNIFIED NATIONAL COARSE (UNC)
hardness_rating28.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM
small_end_length0.690 INCHES NOMINAL IN
special_features96 DP STRAIGHT KNURL
thread_directionRIGHT-HAND
surface_treatmentPHOSPHATE OVERALL
NSN5310-01-199-9948
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 12321662 · 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
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: DOD-P-16232,TYPE M OR Z,CLASS 2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
•
THREAD SERIES: UNIFIED NATIONAL COARSE (UNC)
•
HARDNESS RATING: 28.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM-A576 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
THREAD DIRECTION: RIGHT-HAND
•
NOMINAL THREAD SIZE: 0.500 INCHES IN
•
NUT DIAMETER: 1.375 INCHES NOMINAL IN
•
NUT THICKNESS: 1.000 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONDOD-P-16232,TYPE M OR Z,CLASS 2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
THREAD SERIESUNIFIED NATIONAL COARSE (UNC)
HARDNESS RATING28.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATIONASTM-A576 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
THREAD DIRECTIONRIGHT-HAND
NOMINAL THREAD SIZE0.500 INCHES IN
NUT DIAMETER1.375 INCHES NOMINAL IN
NUT THICKNESS1.000 INCHES NOMINAL IN
SMALL END LENGTH0.690 INCHES NOMINAL IN
SMALL END DIAMETER0.660 INCHES NOMINAL IN
OTHER ITEMS IN FSC 5310 — Nuts and Washers
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5310-00-000-0040 5310-00-000-0077 5310-00-000-0079 5310-00-000-1146 5310-00-000-3815 5310-00-000-4532 5310-00-000-4540
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 12321662?
12321662 is a NUT,PLAIN,KNURLED.
What is the NSN for 12321662?
12321662 is cataloged in the U.S. Government catalog under NSN 5310-01-199-9948. This indicates validated use in U.S. government and defense supply chains.
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