TLDNG-6-3-S-18 — NUT,SELF-LOCKING,ROUND

✓ Government record, cited

— · NUT WASHER

PRODUCT OVERVIEW

TLDNG-6-3-S-18: NUT,SELF-LOCKING,ROUND.

The NUT,SELF-LOCKING,ROUND is a the manufacturer industrial component. Key specifications include material: STEEL COMP 304 NUT, nut_style: ROUND, nut_diameter: 0.5181 INCHES MINIMUM AND 0.5208 INCHES MAXIMUM IN, thread_class: 3B, nut_thickness: 1.698 INCHES MINIMUM AND 1.757 INCHES MAXIMUM IN, thread_series: UNIFIED NATIONAL JOINT FINE (UNJF). This part is cataloged in the U.S.

Government catalog under NSN 5310-01-687-2136, 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

TLDNG-6-3-S-18

NSN: 5310-01-687-2136
FSC: 5310 — Nuts and Washers
CAGE: 51439 — FATIGUE TECHNOLOGY, INC (USA)

SPECIFICATIONS

material	STEEL COMP 304 NUT
nut_style	ROUND
nut_diameter	0.5181 INCHES MINIMUM AND 0.5208 INCHES MAXIMUM IN
thread_class	3B
nut_thickness	1.698 INCHES MINIMUM AND 1.757 INCHES MAXIMUM IN
thread_series	UNIFIED NATIONAL JOINT FINE (UNJF)
locking_feature	FREE-RUNNING ALL METAL DESIGN
thread_direction	RIGHT-HAND
surface_treatment	PASSIVATE NUT
nominal_thread_size	0.3750 INCHES IN
end_item_identification	F16 AIRCRAFT
thread_quantity_per_inch	24
NSN	5310-01-687-2136

COMPONENT DIAGRAM

KEY FEATURES

•

SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: ASTM-A-967 ASSN STD SINGLE TREATMENT RESPONSE NUT

•

THREAD SERIES: UNIFIED NATIONAL JOINT FINE (UNJF)

•

MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE NUT

•

THREAD DIRECTION: RIGHT-HAND

•

NOMINAL THREAD SIZE: 0.3750 INCHES IN

•

NUT DIAMETER: 0.5181 INCHES MINIMUM AND 0.5208 INCHES MAXIMUM IN

•

LOCKING FEATURE: FREE-RUNNING ALL METAL DESIGN

•

NUT THICKNESS: 1.698 INCHES MINIMUM AND 1.757 INCHES MAXIMUM IN

TECHNICAL CHARACTERISTICS

SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	ASTM-A-967 ASSN STD SINGLE TREATMENT RESPONSE NUT
THREAD SERIES	UNIFIED NATIONAL JOINT FINE (UNJF)
MATERIAL DOCUMENT AND CLASSIFICATION	QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE NUT
THREAD DIRECTION	RIGHT-HAND
NOMINAL THREAD SIZE	0.3750 INCHES IN
NUT DIAMETER	0.5181 INCHES MINIMUM AND 0.5208 INCHES MAXIMUM IN
LOCKING FEATURE	FREE-RUNNING ALL METAL DESIGN
NUT THICKNESS	1.698 INCHES MINIMUM AND 1.757 INCHES MAXIMUM IN
SURFACE TREATMENT	PASSIVATE NUT
NUT STYLE	ROUND

SUBSTITUTES & CROSS-REFERENCES 2

C21046U6-18Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

C21046Reference document

Same NSN cross-reference

Reference document — Drawing number reference only

LIFECYCLE

NSN statusActive· U.S. Government catalog

Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is TLDNG-6-3-S-18?

TLDNG-6-3-S-18 is a NUT,SELF-LOCKING,ROUND.

What parts can replace TLDNG-6-3-S-18?

There are 2 known substitutes for TLDNG-6-3-S-18: C21046U6-18, C21046. Substitute compatibility should be verified for your specific system.

What is the NSN for TLDNG-6-3-S-18?

TLDNG-6-3-S-18 is cataloged in the U.S. Government catalog under NSN 5310-01-687-2136. This indicates validated use in U.S. government and defense supply chains.

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