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211885-4 — NUT,CLIP-ON

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

211885-4: NUT,CLIP-ON.

The NUT,CLIP-ON is a the manufacturer industrial component. Key specifications include material: STEEL COMP 303 OR STEEL COMP 303MA OR STEEL COMP 303PB OR STEEL COMP 303 PLUS X OR STEEL COMP 303SE OVERALL, nut_style: FLOATINGFLOATING, thread_class: 2B2B, overall_width: 0.250 INCHES MINIMUM AND 0.250 INCHES MINIMUM AND 0.310 INCHES MAXIMUM0.310 INCHES MAXIMUM IN, thread_series: UNIFIED NATIONAL COARSE (UNC)UNIFIED NATIONAL COARSE (UNC), panel_thickness: 0.050 INCHES NOMINAL0.050 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-285-5290, 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
211885-4
NSN: 5310-01-285-5290
FSC: 5310 — Nuts and Washers
CAGE: 00779 — TE CONNECTIVITY CORPORATION (USA)
SPECIFICATIONS
materialSTEEL COMP 303 OR STEEL COMP 303MA OR STEEL COMP 303PB OR STEEL COMP 303 PLUS X OR STEEL COMP 303SE OVERALL
nut_styleFLOATINGFLOATING
thread_class2B2B
overall_width0.250 INCHES MINIMUM AND 0.250 INCHES MINIMUM AND 0.310 INCHES MAXIMUM0.310 INCHES MAXIMUM IN
thread_seriesUNIFIED NATIONAL COARSE (UNC)UNIFIED NATIONAL COARSE (UNC)
panel_thickness0.050 INCHES NOMINAL0.050 INCHES NOMINAL IN
thread_directionRIGHT-HANDRIGHT-HAND
surface_treatmentPASSIVATE OVERALL
nominal_thread_size0.112 INCHES0.112 INCHES IN
thread_quantity_per_inch4040
material_document_and_classificationASTM A582 ASSN STD ALL MATERIAL RESPONSES OVERALL
distance_from_base_to_center_of_aperture0.130 INCHES NOMINAL0.130 INCHES NOMINAL IN
NSN5310-01-285-5290
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 211885-4 · 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
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
•
THREAD SERIES: UNIFIED NATIONAL COARSE (UNC)UNIFIED NATIONAL COARSE (UNC)
•
DISTANCE FROM BASE TO CENTER OF APERTURE: 0.130 INCHES NOMINAL0.130 INCHES NOMINAL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM A582 ASSN STD ALL MATERIAL RESPONSES OVERALL
•
THREAD DIRECTION: RIGHT-HANDRIGHT-HAND
•
PANEL THICKNESS: 0.050 INCHES NOMINAL0.050 INCHES NOMINAL IN
•
NOMINAL THREAD SIZE: 0.112 INCHES0.112 INCHES IN
TECHNICAL CHARACTERISTICS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
THREAD SERIESUNIFIED NATIONAL COARSE (UNC)UNIFIED NATIONAL COARSE (UNC)
DISTANCE FROM BASE TO CENTER OF APERTURE0.130 INCHES NOMINAL0.130 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A582 ASSN STD ALL MATERIAL RESPONSES OVERALL
OVERALL WIDTH0.250 INCHES MINIMUM AND 0.250 INCHES MINIMUM AND 0.310 INCHES MAXIMUM0.310 INCHES MAXIMUM IN
THREAD DIRECTIONRIGHT-HANDRIGHT-HAND
PANEL THICKNESS0.050 INCHES NOMINAL0.050 INCHES NOMINAL IN
NOMINAL THREAD SIZE0.112 INCHES0.112 INCHES IN
SURFACE TREATMENTPASSIVATE OVERALL
NUT STYLEFLOATINGFLOATING
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
717801208-001Reference document
Same NSN cross-reference
Reference document — Vendor item drawing 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 211885-4?
211885-4 is a NUT,CLIP-ON.
What parts can replace 211885-4?
There is 1 known substitute for 211885-4: 717801208-001. Substitute compatibility should be verified for your specific system.
What is the NSN for 211885-4?
211885-4 is cataloged in the U.S. Government catalog under NSN 5310-01-285-5290. 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.