L79NTM-640 — NUT,SELF-LOCKING,SLOTTED,HEXAGON

✓ Government record, cited

— · NUT WASHER

PRODUCT OVERVIEW

L79NTM-640: NUT,SELF-LOCKING,SLOTTED,HEXAGON.

NUT,SELF-LOCKING,SLOTTED,HEXAGON. Key specifications include material: ALUMINUM AND STEEL CORROSION RESISTING OVERALL, nut_style: SLOTTED, HEXAGON, nut_height: 0.094 INCHES MINIMUM AND 0.124 INCHES MAXIMUM IN, thread_class: 3B, thread_series: UNIFIED NATIONAL COARSE (UNC), locking_feature: PREVAILING TORQUE WITH NONMETALLIC INSERT. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-212-2805, 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

L79NTM-640

NSN: 5310-01-212-2805
FSC: 5310 — Nuts and Washers
CAGE: 27687 — GREER STOP NUT, INC. (USA)

SPECIFICATIONS

material	ALUMINUM AND STEEL CORROSION RESISTING OVERALL
nut_style	SLOTTED, HEXAGON
nut_height	0.094 INCHES MINIMUM AND 0.124 INCHES MAXIMUM IN
thread_class	3B
thread_series	UNIFIED NATIONAL COARSE (UNC)
locking_feature	PREVAILING TORQUE WITH NONMETALLIC INSERT
thread_direction	RIGHT-HAND
width_across_flats	0.240 INCHES MINIMUM AND 0.252 INCHES MAXIMUM IN
nominal_thread_size	0.112 INCHES IN
bearing_surface_type	CHAMFERED
thread_quantity_per_inch	40
material_document_and_classification	AISI 303 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NSN	5310-01-212-2805

COMPONENT DIAGRAM

KEY FEATURES

•

WIDTH ACROSS FLATS: 0.240 INCHES MINIMUM AND 0.252 INCHES MAXIMUM IN

•

THREAD SERIES: UNIFIED NATIONAL COARSE (UNC)

•

MATERIAL DOCUMENT AND CLASSIFICATION: AISI 303 ASSN STD SINGLE MATERIAL RESPONSE OVERALL

•

THREAD DIRECTION: RIGHT-HAND

•

NOMINAL THREAD SIZE: 0.112 INCHES IN

•

LOCKING FEATURE: PREVAILING TORQUE WITH NONMETALLIC INSERT

•

NUT HEIGHT: 0.094 INCHES MINIMUM AND 0.124 INCHES MAXIMUM IN

•

NUT STYLE: SLOTTED, HEXAGON

TECHNICAL CHARACTERISTICS

WIDTH ACROSS FLATS	0.240 INCHES MINIMUM AND 0.252 INCHES MAXIMUM IN
THREAD SERIES	UNIFIED NATIONAL COARSE (UNC)
MATERIAL DOCUMENT AND CLASSIFICATION	AISI 303 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
THREAD DIRECTION	RIGHT-HAND
NOMINAL THREAD SIZE	0.112 INCHES IN
LOCKING FEATURE	PREVAILING TORQUE WITH NONMETALLIC INSERT
NUT HEIGHT	0.094 INCHES MINIMUM AND 0.124 INCHES MAXIMUM IN
NUT STYLE	SLOTTED, HEXAGON
THREAD CLASS	3B
THREAD QUANTITY PER INCH	40

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

69892-40Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

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 L79NTM-640?

L79NTM-640 is a NUT,SELF-LOCKING,SLOTTED,HEXAGON.

What parts can replace L79NTM-640?

There is 1 known substitute for L79NTM-640: 69892-40. Substitute compatibility should be verified for your specific system.

What is the NSN for L79NTM-640?

L79NTM-640 is cataloged in the U.S. Government catalog under NSN 5310-01-212-2805. This indicates validated use in U.S. government and defense supply chains.

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L79NTM-640 — NUT,SELF-LOCKING,SLOTTED,HEXAGON

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