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21283 — SHIELDING BEAD,ELECTRONIC

✓ Government record, cited
Legrand · NUT WASHER
PRODUCT OVERVIEW

21283: SHIELDING BEAD,ELECTRONIC.

The SHIELDING BEAD,ELECTRONIC is a Legrand industrial component. Key specifications include material: STEEL CORROSION RESISTING OVERALL, nut_style: HEXAGON, nut_height: 0.406 INCHES NOMINAL IN, ring_style: CONCENTRIC, felt_washer: NOT INCLUDED, joint_style: VERTICAL JOINT. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-185-6397, 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
21283
NSN: 5310-00-185-6397
NIINs: 001856397, 001933517, 004076348, 004226069, 005778789, 010959320, 011883244
FSC: 5310 — Nuts and Washers
CAGE: 82796 — COLTEC INDUSTRIES INC. DBA FAIRBANKS MORSE ENGINE DIV FAIRBANKS MORSE ENGINE (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING OVERALL
nut_styleHEXAGON
nut_height0.406 INCHES NOMINAL IN
ring_styleCONCENTRIC
felt_washerNOT INCLUDED
joint_styleVERTICAL JOINT
nut_diameter1.105 INCHES MINIMUM AND 1.135 INCHES MAXIMUM IN
thread_class2B
nut_thickness1.110 INCHES MINIMUM AND 1.130 INCHES MAXIMUM IN
overall_width0.0937 INCHES NOMINAL IN
thread_seriesUNF
overall_length1.250 INCHES NOMINAL IN
NSN5310-00-185-6397
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 21283 · Legrand ⚠ 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
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
•
THREAD SERIES: UNS
•
HARDNESS RATING: 66.0 ROCKWELL B MINIMUM AND 92.0 ROCKWELL B MAXIMUM
•
THREAD PITCH DIAMETERS: +0.6437 TO 0.6467 INCHES IN
•
DRIVE POINT WIDTH: 0.120 INCHES MINIMUM AND 0.130 INCHES MAXIMUM IN
•
THREAD DIRECTION: RIGHT-HAND
•
NOMINAL THREAD SIZE: 0.664 INCHES IN
•
NUT DIAMETER: 1.105 INCHES MINIMUM AND 1.135 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
THREAD SERIESUNS
HARDNESS RATING66.0 ROCKWELL B MINIMUM AND 92.0 ROCKWELL B MAXIMUM
THREAD PITCH DIAMETERS+0.6437 TO 0.6467 INCHES IN
DRIVE POINT WIDTH0.120 INCHES MINIMUM AND 0.130 INCHES MAXIMUM IN
THREAD DIRECTIONRIGHT-HAND
NOMINAL THREAD SIZE0.664 INCHES IN
NUT DIAMETER1.105 INCHES MINIMUM AND 1.135 INCHES MAXIMUM IN
DRIVE POINT DEPTH0.094 INCHES NOMINAL IN
NONDEFINITIVE SPEC/STD DATA1 TYPE AND 3 CLASS
SUBSTITUTES & CROSS-REFERENCES 5
N03CADMIUMPLATEDSame NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
7593649Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
3379612Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
203-1010P4Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
MILN21337Reference document
Same NSN cross-reference
Reference document — Identification 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 21283?
21283 is a SHIELDING BEAD,ELECTRONIC manufactured by Legrand.
What parts can replace 21283?
There are 5 known substitutes for 21283: N03CADMIUMPLATED, 7593649, 3379612 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 21283?
21283 is cataloged in the U.S. Government catalog under NSN 5310-00-185-6397. This indicates validated use in U.S. government and defense supply chains.
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