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DF330709 FN 7 — NUT,PLAIN,BARREL

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

DF330709 FN 7: NUT,PLAIN,BARREL.

The NUT,PLAIN,BARREL is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY OVERALL, thread_class: 3A A, thread_series: UN, thread_direction: RIGHT-HAND, nominal_thread_size: 1.250 INCHES IN, thread_quantity_per_inch: 16. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-406-4789, 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
DF330709 FN 7
NSN: 5310-01-406-4789
FSC: 5310 — Nuts and Washers
CAGE: 43689 — HUNTINGTON INGALLS INC DIV NEWPORT NEWS SHIPBUILDING (USA)
SPECIFICATIONS
materialCOPPER ALLOY OVERALL
thread_class3A A
thread_seriesUN
thread_directionRIGHT-HAND
nominal_thread_size1.250 INCHES IN
thread_quantity_per_inch16
material_document_and_classificationASTM B150 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NSN5310-01-406-4789
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: DF330709 FN 7 · 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: UN
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM B150 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
THREAD DIRECTION: RIGHT-HAND
•
NOMINAL THREAD SIZE: 1.250 INCHES IN
•
THREAD CLASS: 3A A
•
THREAD QUANTITY PER INCH: 16
•
MATERIAL: COPPER ALLOY OVERALL
TECHNICAL CHARACTERISTICS
THREAD SERIESUN
MATERIAL DOCUMENT AND CLASSIFICATIONASTM B150 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
THREAD DIRECTIONRIGHT-HAND
NOMINAL THREAD SIZE1.250 INCHES IN
THREAD CLASS3A A
THREAD QUANTITY PER INCH16
MATERIALCOPPER ALLOY 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 2
801-6405343 FIND 7Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
6405343 FN 7Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 DF330709 FN 7?
DF330709 FN 7 is a NUT,PLAIN,BARREL.
What parts can replace DF330709 FN 7?
There are 2 known substitutes for DF330709 FN 7: 801-6405343 FIND 7, 6405343 FN 7. Substitute compatibility should be verified for your specific system.
What is the NSN for DF330709 FN 7?
DF330709 FN 7 is cataloged in the U.S. Government catalog under NSN 5310-01-406-4789. This indicates validated use in U.S. government and defense supply chains.
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