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1313-2 PIECE 21 — NUT,PLAIN,ROUND

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

1313-2 PIECE 21: NUT,PLAIN,ROUND.

The NUT,PLAIN,ROUND is a the manufacturer industrial component. Key specifications include material: NICKEL ALLOY K-500 OVERALL, nut_diameter: 1.365 INCHES NOMINAL IN, thread_class: 2B, nut_thickness: 0.250 INCHES NOMINAL IN, thread_series: UNF, special_features: DRILL TWO HOLES 0.095 IN. MIN; 0.102 IN.

MAX. BY 0.190 DEEP, EQUALLY SPACED. IN.

This part is cataloged in the U.S. Government catalog under NSN 5310-01-443-3712, 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
1313-2 PIECE 21
NSN: 5310-01-443-3712
FSC: 5310 — Nuts and Washers
CAGE: 43689 — HUNTINGTON INGALLS INC DIV NEWPORT NEWS SHIPBUILDING (USA)
SPECIFICATIONS
materialNICKEL ALLOY K-500 OVERALL
nut_diameter1.365 INCHES NOMINAL IN
thread_class2B
nut_thickness0.250 INCHES NOMINAL IN
thread_seriesUNF
special_featuresDRILL TWO HOLES 0.095 IN. MIN; 0.102 IN. MAX. BY 0.190 DEEP, EQUALLY SPACED. IN
thread_directionRIGHT-HAND
nominal_thread_size1.000 INCHES IN
thread_quantity_per_inch12
material_document_and_classificationQQ-N-286, CL A FED SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN5310-01-443-3712
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 1313-2 PIECE 21 · 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
•
THREAD SERIES: UNF
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-N-286, CL A FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
THREAD DIRECTION: RIGHT-HAND
•
NOMINAL THREAD SIZE: 1.000 INCHES IN
•
NUT DIAMETER: 1.365 INCHES NOMINAL IN
•
NUT THICKNESS: 0.250 INCHES NOMINAL IN
•
THREAD CLASS: 2B
TECHNICAL CHARACTERISTICS
THREAD SERIESUNF
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-N-286, CL A FED SPEC SINGLE MATERIAL RESPONSE OVERALL
THREAD DIRECTIONRIGHT-HAND
NOMINAL THREAD SIZE1.000 INCHES IN
NUT DIAMETER1.365 INCHES NOMINAL IN
NUT THICKNESS0.250 INCHES NOMINAL IN
SPECIAL FEATURESDRILL TWO HOLES 0.095 IN. MIN; 0.102 IN. MAX. BY 0.190 DEEP, EQUALLY SPACED. IN
THREAD CLASS2B
THREAD QUANTITY PER INCH12
MATERIALNICKEL ALLOY K-500 OVERALL
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: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 1313-2 PIECE 21?
1313-2 PIECE 21 is a NUT,PLAIN,ROUND.
What is the NSN for 1313-2 PIECE 21?
1313-2 PIECE 21 is cataloged in the U.S. Government catalog under NSN 5310-01-443-3712. This indicates validated use in U.S. government and defense supply chains.
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