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402126-1 — NUT,PLAIN,WING

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

402126-1: NUT,PLAIN,WING.

The NUT,PLAIN,WING is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY OR STEEL OVERALL, nut_style: WING, thread_class: 2B, body_diameter: 0.250 INCHES MINIMUM AND 0.374 INCHES MAXIMUM IN, thread_series: UNIFIED NATIONAL COARSE (UNC), overall_height: 0.282 INCHES MINIMUM AND 0.406 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-571-9628, 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
402126-1
NSN: 5310-00-571-9628
FSC: 5310 — Nuts and Washers
CAGE: 13861 — BISCO INDUSTRIES INC DBA NATIONAL PRECISION PRODUCTS COMPANY DIV NATIONAL PRECISION PRODUCTS (USA)
SPECIFICATIONS
materialCOPPER ALLOY OR STEEL OVERALL
nut_styleWING
thread_class2B
body_diameter0.250 INCHES MINIMUM AND 0.374 INCHES MAXIMUM IN
thread_seriesUNIFIED NATIONAL COARSE (UNC)
overall_height0.282 INCHES MINIMUM AND 0.406 INCHES MAXIMUM IN
thread_directionRIGHT-HAND
surface_treatmentNICKEL OR PASSIVATE OVERALL
wing_spread_width0.594 INCHES MINIMUM AND 0.718 INCHES MAXIMUM IN
nominal_thread_size0.138 INCHES IN
thread_quantity_per_inch32
material_document_and_classificationQQ-B-613 FED SPEC 1ST MATERIAL RESPONSE OR QQ-B-626 FED SPEC 1ST MATERIAL RESPONSE OR 66,300 SERIES FED STD 2ND MATERIAL RESPONSE OVERALL
NSN5310-00-571-9628
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 402126-1 · 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
•
BODY DIAMETER: 0.250 INCHES MINIMUM AND 0.374 INCHES MAXIMUM IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-N-290,CL 2 FED SPEC 1ST TREATMENT RESPONSE OR QQ-P-35 FED SPEC 2ND TREATMENT RESPONSE OVERALL
•
THREAD SERIES: UNIFIED NATIONAL COARSE (UNC)
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-B-613 FED SPEC 1ST MATERIAL RESPONSE OR QQ-B-626 FED SPEC 1ST MATERIAL RESPONSE OR 66,300 SERIES FED STD 2ND MATERIAL RESPONSE OVERALL
•
THREAD DIRECTION: RIGHT-HAND
•
NOMINAL THREAD SIZE: 0.138 INCHES IN
•
SURFACE TREATMENT: NICKEL OR PASSIVATE OVERALL
TECHNICAL CHARACTERISTICS
BODY DIAMETER0.250 INCHES MINIMUM AND 0.374 INCHES MAXIMUM IN
OVERALL HEIGHT0.282 INCHES MINIMUM AND 0.406 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-N-290,CL 2 FED SPEC 1ST TREATMENT RESPONSE OR QQ-P-35 FED SPEC 2ND TREATMENT RESPONSE OVERALL
THREAD SERIESUNIFIED NATIONAL COARSE (UNC)
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-B-613 FED SPEC 1ST MATERIAL RESPONSE OR QQ-B-626 FED SPEC 1ST MATERIAL RESPONSE OR 66,300 SERIES FED STD 2ND MATERIAL RESPONSE OVERALL
THREAD DIRECTIONRIGHT-HAND
NOMINAL THREAD SIZE0.138 INCHES IN
SURFACE TREATMENTNICKEL OR PASSIVATE OVERALL
NUT STYLEWING
THREAD CLASS2B
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
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 402126-1?
402126-1 is a NUT,PLAIN,WING.
What is the NSN for 402126-1?
402126-1 is cataloged in the U.S. Government catalog under NSN 5310-00-571-9628. This indicates validated use in U.S. government and defense supply chains.
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