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1A6779 — NUT STRIP

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

1A6779: NUT STRIP.

The NUT STRIP is a the manufacturer industrial component. Key specifications include material: NICKEL ALLOY 600 OVERALL, nut_width: 1.620 INCHES NOMINAL IN, thread_class: 3B, thread_series: UNIFIED NATIONAL JOINT FINE (UNJF), special_features: 1.300 SPACING X 0.350 DEEP, thread_direction: RIGHT-HAND. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-388-1824, 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
1A6779
NSN: 5310-01-388-1824
FSC: 5310 — Nuts and Washers
CAGE: 77445 — RTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY (USA)
SPECIFICATIONS
materialNICKEL ALLOY 600 OVERALL
nut_width1.620 INCHES NOMINAL IN
thread_class3B
thread_seriesUNIFIED NATIONAL JOINT FINE (UNJF)
special_features1.300 SPACING X 0.350 DEEP
thread_directionRIGHT-HAND
aperture_quantity2
nominal_thread_size0.250 INCHES IN
thread_quantity_per_inch28
material_document_and_classificationAMS 5665 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NSN5310-01-388-1824
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 1A6779 · 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 WIDTH: 1.620 INCHES NOMINAL IN
•
THREAD SERIES: UNIFIED NATIONAL JOINT FINE (UNJF)
•
APERTURE QUANTITY: 2
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS 5665 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
THREAD DIRECTION: RIGHT-HAND
•
NOMINAL THREAD SIZE: 0.250 INCHES IN
•
THREAD CLASS: 3B
TECHNICAL CHARACTERISTICS
NUT WIDTH1.620 INCHES NOMINAL IN
THREAD SERIESUNIFIED NATIONAL JOINT FINE (UNJF)
APERTURE QUANTITY2
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5665 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
THREAD DIRECTIONRIGHT-HAND
NOMINAL THREAD SIZE0.250 INCHES IN
SPECIAL FEATURES1.300 SPACING X 0.350 DEEP
THREAD CLASS3B
THREAD QUANTITY PER INCH28
MATERIALNICKEL ALLOY 600 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: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 1A6779?
1A6779 is a NUT STRIP.
What is the NSN for 1A6779?
1A6779 is cataloged in the U.S. Government catalog under NSN 5310-01-388-1824. This indicates validated use in U.S. government and defense supply chains.
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