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000439775-X-1 — NUT,PLAIN,CLINCH

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

000439775-X-1: NUT,PLAIN,CLINCH.

The NUT,PLAIN,CLINCH is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY 360 OVERALL, nut_height: 0.220 INCHES MINIMUM AND 0.280 INCHES MAXIMUM IN, pilot_length: 0.055 INCHES NOMINAL IN, thread_class: 2B, thread_series: UN, pilot_diameter: 0.620 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-269-4616, 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
000439775-X-1
NSN: 5310-01-269-4616
FSC: 5310 — Nuts and Washers
CAGE: 06641 — CENTURY FASTENERS CORP. DBA CENTURY FASTENERS CORP (USA)
SPECIFICATIONS
materialCOPPER ALLOY 360 OVERALL
nut_height0.220 INCHES MINIMUM AND 0.280 INCHES MAXIMUM IN
pilot_length0.055 INCHES NOMINAL IN
thread_class2B
thread_seriesUN
pilot_diameter0.620 INCHES NOMINAL IN
thread_directionRIGHT-HAND
countersink_angle90.0 DEGREES NOMINAL NUT
surface_treatmentNICKEL OVERALL
width_across_flats0.620 INCHES NOMINAL IN
nominal_thread_size0.469 INCHES IN
thread_quantity_per_inch32
NSN5310-01-269-4616
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 000439775-X-1 · 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
•
WIDTH ACROSS FLATS: 0.620 INCHES NOMINAL IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-N-290 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
•
THREAD SERIES: UN
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-B-626,1/2 HARD FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
THREAD DIRECTION: RIGHT-HAND
•
NOMINAL THREAD SIZE: 0.469 INCHES IN
•
PILOT DIAMETER: 0.620 INCHES NOMINAL IN
•
PILOT LENGTH: 0.055 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
WIDTH ACROSS FLATS0.620 INCHES NOMINAL IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-N-290 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
THREAD SERIESUN
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-B-626,1/2 HARD FED SPEC SINGLE MATERIAL RESPONSE OVERALL
THREAD DIRECTIONRIGHT-HAND
NOMINAL THREAD SIZE0.469 INCHES IN
PILOT DIAMETER0.620 INCHES NOMINAL IN
PILOT LENGTH0.055 INCHES NOMINAL IN
NUT HEIGHT0.220 INCHES MINIMUM AND 0.280 INCHES MAXIMUM IN
SURFACE TREATMENTNICKEL 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 1
755090A0159-1Reference document
Same NSN cross-reference
Reference document — Secondary reference
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 000439775-X-1?
000439775-X-1 is a NUT,PLAIN,CLINCH.
What parts can replace 000439775-X-1?
There is 1 known substitute for 000439775-X-1: 755090A0159-1. Substitute compatibility should be verified for your specific system.
What is the NSN for 000439775-X-1?
000439775-X-1 is cataloged in the U.S. Government catalog under NSN 5310-01-269-4616. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.