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976B403H01 — NUT,SLEEVE

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

976B403H01: NUT,SLEEVE.

The NUT,SLEEVE is a the manufacturer industrial component. Key specifications include nut_style: SLEEVE, nut_length: 0.220 INCHES NOMINAL IN, nut_diameter: 0.188 INCHES NOMINAL IN, thread_class: 1B, thread_series: UNIFIED NATIONAL COARSE (UNC), boss_thickness: 0.078 INCHES NOMINAL OVERALL IN. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-132-3401, 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
976B403H01
NSN: 5310-01-132-3401
FSC: 5310 — Nuts and Washers
CAGE: 18323 — NORTHROP GRUMMAN SYSTEMS CORPORATION DBA ELECTRONIC SYSTEMS (USA)
SPECIFICATIONS
nut_styleSLEEVE
nut_length0.220 INCHES NOMINAL IN
nut_diameter0.188 INCHES NOMINAL IN
thread_class1B
thread_seriesUNIFIED NATIONAL COARSE (UNC)
boss_thickness0.078 INCHES NOMINAL OVERALL IN
special_features2SLOTS 180.0 DEGREES APART 0.053 IN. NOM WIDE BY 0.100 IN. NOM DEEP IN
thread_directionRIGHT-HAND
nominal_thread_size0.086 INCHES IN
cross-sectional_shapeROUND NUT
thread_quantity_per_inch56
NSN5310-01-132-3401
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 976B403H01 · 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 LENGTH: 0.220 INCHES NOMINAL IN
•
THREAD SERIES: UNIFIED NATIONAL COARSE (UNC)
•
THREAD DIRECTION: RIGHT-HAND
•
NOMINAL THREAD SIZE: 0.086 INCHES IN
•
NUT DIAMETER: 0.188 INCHES NOMINAL IN
•
BOSS THICKNESS: 0.078 INCHES NOMINAL OVERALL IN
•
CROSS-SECTIONAL SHAPE: ROUND NUT
TECHNICAL CHARACTERISTICS
NUT LENGTH0.220 INCHES NOMINAL IN
THREAD SERIESUNIFIED NATIONAL COARSE (UNC)
THREAD DIRECTIONRIGHT-HAND
NOMINAL THREAD SIZE0.086 INCHES IN
NUT DIAMETER0.188 INCHES NOMINAL IN
BOSS THICKNESS0.078 INCHES NOMINAL OVERALL IN
CROSS-SECTIONAL SHAPEROUND NUT
SPECIAL FEATURES2SLOTS 180.0 DEGREES APART 0.053 IN. NOM WIDE BY 0.100 IN. NOM DEEP IN
NUT STYLESLEEVE
THREAD CLASS1B
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 976B403H01?
976B403H01 is a NUT,SLEEVE.
What is the NSN for 976B403H01?
976B403H01 is cataloged in the U.S. Government catalog under NSN 5310-01-132-3401. 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.