LM821-84 — BOLT,MACHINE

✓ Government record, cited

— · BOLT SCREW

PRODUCT OVERVIEW

LM821-84: BOLT,MACHINE.

The BOLT,MACHINE is a the manufacturer industrial component. Key specifications include head_style: HEXAGON, grip_length: 1.290 INCHES NOMINAL IN, head_height: 0.220 INCHES NOMINAL IN, thread_class: 3A A, thread_length: 0.521 INCHES MINIMUM AND 0.567 INCHES MAXIMUM IN, fastener_length: 1.811 INCHES MINIMUM AND 1.857 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5306-00-013-7682, 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

LM821-84

NSN: 5306-00-013-7682
FSC: 5306 — Bolts
CAGE: 76005 — LORD CORPORATION DBA LORD CORP (USA)

SPECIFICATIONS

material	STEEL COMP 4037 OR STEEL COMP 4130 OR STEEL COMP 8630 OR STEEL COMP 8735 OR STEEL COMP 8740 OR STEEL COMP 4140 OVERALL
head_style	HEXAGON
grip_length	1.290 INCHES NOMINAL IN
head_height	0.220 INCHES NOMINAL IN
thread_class	3A A
thread_length	0.521 INCHES MINIMUM AND 0.567 INCHES MAXIMUM IN
fastener_length	1.811 INCHES MINIMUM AND 1.857 INCHES MAXIMUM IN
hardness_rating	26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL
special_features	100PERCENT MAGNAFLUX INSPECTED
thread_direction	RIGHT-HAND
features_provided	FINISHED HEAD
surface_treatment	CADMIUM AND CHROMATE OVERALL
NSN	5306-00-013-7682

COMPONENT DIAGRAM

KEY FEATURES

•

HEAD HEIGHT: 0.220 INCHES NOMINAL IN

•

FASTENER LENGTH: 1.811 INCHES MINIMUM AND 1.857 INCHES MAXIMUM IN

•

SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416,TYPE 2,CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL

•

THREAD LENGTH: 0.521 INCHES MINIMUM AND 0.567 INCHES MAXIMUM IN

•

HARDNESS RATING: 26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL

•

MATERIAL DOCUMENT AND CLASSIFICATION: MIL-B-6812 MIL SPEC ALL MATERIAL RESPONSES OVERALL

•

NOMINAL THREAD DIAMETER: 0.375 INCHES IN

•

FEATURES PROVIDED: FINISHED HEAD

TECHNICAL CHARACTERISTICS

HEAD HEIGHT	0.220 INCHES NOMINAL IN
FASTENER LENGTH	1.811 INCHES MINIMUM AND 1.857 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-416,TYPE 2,CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
THREAD LENGTH	0.521 INCHES MINIMUM AND 0.567 INCHES MAXIMUM IN
HARDNESS RATING	26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION	MIL-B-6812 MIL SPEC ALL MATERIAL RESPONSES OVERALL
NOMINAL THREAD DIAMETER	0.375 INCHES IN
FEATURES PROVIDED	FINISHED HEAD
HEAD STYLE	HEXAGON
THREAD DIRECTION	RIGHT-HAND

OTHER ITEMS IN FSC 5306 — Bolts

Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.

5306-00-004-7044 5306-00-007-6129 5306-00-008-7899 5306-00-009-4739 5306-00-118-7332 5306-00-151-1777 5306-00-255-4507 5306-01-101-2459

SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

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 LM821-84?

LM821-84 is a BOLT,MACHINE.

What is the NSN for LM821-84?

LM821-84 is cataloged in the U.S. Government catalog under NSN 5306-00-013-7682. This indicates validated use in U.S. government and defense supply chains.

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