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TLN1010L4 — NUT,SELF-LOCKING,ASSEMBLED WASHE

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

TLN1010L4: NUT,SELF-LOCKING,ASSEMBLED WASHE.

NUT,SELF-LOCKING,ASSEMBLED WASHE. Key specifications include material: STEEL COMP E4340 OR STEEL COMP 4340 OR STEEL COMP 8740 NUT, nut_style: PLAIN DISHED, nut_height: 0.263 INCHES MINIMUM AND 0.283 INCHES MAXIMUM IN, lubrication: SOLUBLE LUBRICANT, thread_class: 3B, thread_series: UNIFIED NATIONAL JOINT FINE (UNJF). This part is cataloged in the U.S.

Government catalog under NSN 5310-00-601-9728, 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
TLN1010L4
NSN: 5310-00-601-9728
FSC: 5310 — Nuts and Washers
CAGE: 17446 — HUCK INTERNATIONAL, INC (USA)
SPECIFICATIONS
materialSTEEL COMP E4340 OR STEEL COMP 4340 OR STEEL COMP 8740 NUT
nut_stylePLAIN DISHED
nut_height0.263 INCHES MINIMUM AND 0.283 INCHES MAXIMUM IN
lubricationSOLUBLE LUBRICANT
thread_class3B
thread_seriesUNIFIED NATIONAL JOINT FINE (UNJF)
overall_height0.340 INCHES MINIMUM AND 0.360 INCHES MAXIMUM IN
hardness_rating36.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM
locking_featurePREVAILING TORQUE ALL METAL DESIGN
thread_directionRIGHT-HAND
countersink_angle80.0 DEGREES MINIMUM AND 100.0 DEGREES MAXIMUM NUT
surface_treatmentCADMIUM OVERALL
NSN5310-00-601-9728
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: TLN1010L4 · 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
•
LUBRICATION: SOLUBLE LUBRICANT
•
WASHER OUTSIDE DIAMETER: 0.525 INCHES MAXIMUM IN
•
WIDTH ACROSS FLATS: 0.305 INCHES MINIMUM AND 0.313 INCHES MAXIMUM IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
•
THREAD SERIES: UNIFIED NATIONAL JOINT FINE (UNJF)
•
HARDNESS RATING: 36.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-S-5000 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-S-5000 MIL SPEC 2ND MATERIAL RESPONSE OR MIL-S-6049 MIL SPEC 3RD MATERIAL RESPONSE NUT
TECHNICAL CHARACTERISTICS
LUBRICATIONSOLUBLE LUBRICANT
OVERALL HEIGHT0.340 INCHES MINIMUM AND 0.360 INCHES MAXIMUM IN
WASHER OUTSIDE DIAMETER0.525 INCHES MAXIMUM IN
WIDTH ACROSS FLATS0.305 INCHES MINIMUM AND 0.313 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
THREAD SERIESUNIFIED NATIONAL JOINT FINE (UNJF)
HARDNESS RATING36.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-5000 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-S-5000 MIL SPEC 2ND MATERIAL RESPONSE OR MIL-S-6049 MIL SPEC 3RD MATERIAL RESPONSE NUT
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A108 ASSN STD SINGLE MATERIAL RESPONSE WASHER
NUT COUNTERBORE DEPTH0.072 INCHES MINIMUM AND 0.087 INCHES MAXIMUM NUT IN
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
HW29538-4Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Semi-active item — no replacement plannedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is TLN1010L4?
TLN1010L4 is a NUT,SELF-LOCKING,ASSEMBLED WASHE.
What parts can replace TLN1010L4?
There is 1 known substitute for TLN1010L4: HW29538-4. Substitute compatibility should be verified for your specific system.
What is the NSN for TLN1010L4?
TLN1010L4 is cataloged in the U.S. Government catalog under NSN 5310-00-601-9728. 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.