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881290-1 — NUT,SLEEVE

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

881290-1: NUT,SLEEVE.

The NUT,SLEEVE is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, nut_style: SLEEVE, nut_length: 0.484 INCHES MINIMUM AND 0.492 INCHES MAXIMUM IN, nut_diameter: 0.729 INCHES MINIMUM AND 0.730 INCHES MAXIMUM IN, thread_class: 2B, thread_series: UNIFIED NATIONAL COARSE (UNC). This part is cataloged in the U.S.

Government catalog under NSN 5310-01-493-6038, 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
881290-1
NSN: 5310-01-493-6038
FSC: 5310 — Nuts and Washers
CAGE: 0J198 — NORTHROP GRUMMAN SYSTEMS CORPORATION DBA DEFENSE SYSTEMS SECTOR (USA)
SPECIFICATIONS
materialSTEEL OVERALL
nut_styleSLEEVE
nut_length0.484 INCHES MINIMUM AND 0.492 INCHES MAXIMUM IN
nut_diameter0.729 INCHES MINIMUM AND 0.730 INCHES MAXIMUM IN
thread_class2B
thread_seriesUNIFIED NATIONAL COARSE (UNC)
flange_thickness0.168 INCHES NOMINAL IN
thread_directionRIGHT-HAND
nominal_thread_size0.500 INCHES IN
cross-sectional_shapeHEXAGONAL NUT
end_item_identification7010-01-479-3075
thread_quantity_per_inch20
NSN5310-01-493-6038
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 881290-1 · 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
•
FLANGE WIDTH ACROSS FLATS: 1.250 INCHES MINIMUM AND 1.310 INCHES MAXIMUM IN
•
NUT LENGTH: 0.484 INCHES MINIMUM AND 0.492 INCHES MAXIMUM IN
•
FLANGE THICKNESS: 0.168 INCHES NOMINAL IN
•
THREAD SERIES: UNIFIED NATIONAL COARSE (UNC)
•
THREAD DIRECTION: RIGHT-HAND
•
NOMINAL THREAD SIZE: 0.500 INCHES IN
•
NUT DIAMETER: 0.729 INCHES MINIMUM AND 0.730 INCHES MAXIMUM IN
•
CROSS-SECTIONAL SHAPE: HEXAGONAL NUT
TECHNICAL CHARACTERISTICS
FLANGE WIDTH ACROSS FLATS1.250 INCHES MINIMUM AND 1.310 INCHES MAXIMUM IN
NUT LENGTH0.484 INCHES MINIMUM AND 0.492 INCHES MAXIMUM IN
FLANGE THICKNESS0.168 INCHES NOMINAL IN
THREAD SERIESUNIFIED NATIONAL COARSE (UNC)
THREAD DIRECTIONRIGHT-HAND
NOMINAL THREAD SIZE0.500 INCHES IN
NUT DIAMETER0.729 INCHES MINIMUM AND 0.730 INCHES MAXIMUM IN
CROSS-SECTIONAL SHAPEHEXAGONAL NUT
NUT STYLESLEEVE
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
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 881290-1?
881290-1 is a NUT,SLEEVE.
What is the NSN for 881290-1?
881290-1 is cataloged in the U.S. Government catalog under NSN 5310-01-493-6038. This indicates validated use in U.S. government and defense supply chains.
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