M8820068 — SCREW,CAP,SOCKET HEAD

✓ Government record, cited

— · BOLT SCREW

PRODUCT OVERVIEW

M8820068: SCREW,CAP,SOCKET HEAD.

The SCREW,CAP,SOCKET HEAD is a the manufacturer industrial component. Key specifications include material: NICKEL ALLOY 400 FASTENER, head_style: FLAT CHAMFER, head_height: 0.492 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN, thread_class: 3A A, head_diameter: 0.735 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN, thread_length: 2.140 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-357-5630, 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

M8820068

NSN: 5305-01-357-5630
FSC: 5305 — Screws
CAGE: 25685 — NAVAL SHIP ENGINEERING CENTER PHILADELPHIA DIVISION SUBMARINE ANTENNA QUALITY ASSURANCE (USA)

SPECIFICATIONS

material	NICKEL ALLOY 400 FASTENER
head_style	FLAT CHAMFER
head_height	0.492 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN
thread_class	3A A
head_diameter	0.735 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN
thread_length	2.140 INCHES NOMINAL IN
fastener_length	2.500 INCHES NOMINAL IN
hardness_rating	39.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM FASTENER
locking_feature	PATCH OR PELLET OR STRIP LOCKING FEATURE
thread_direction	RIGHT-HAND
width_across_flats	0.375 INCHES MINIMUM AND 0.379 INCHES MAXIMUM IN
internal_drive_style	HEXAGON
NSN	5305-01-357-5630

COMPONENT DIAGRAM

KEY FEATURES

•

WIDTH ACROSS FLATS: 0.375 INCHES MINIMUM AND 0.379 INCHES MAXIMUM IN

•

HEAD HEIGHT: 0.492 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN

•

FASTENER LENGTH: 2.500 INCHES NOMINAL IN

•

THREAD LENGTH: 2.140 INCHES NOMINAL IN

•

HARDNESS RATING: 39.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM FASTENER

•

MATERIAL DOCUMENT AND CLASSIFICATION: QQ-N-281,CL A FED SPEC SINGLE MATERIAL RESPONSE FASTENER

•

NOMINAL THREAD DIAMETER: 0.500 INCHES IN

•

HEAD STYLE: FLAT CHAMFER

TECHNICAL CHARACTERISTICS

WIDTH ACROSS FLATS	0.375 INCHES MINIMUM AND 0.379 INCHES MAXIMUM IN
HEAD HEIGHT	0.492 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN
FASTENER LENGTH	2.500 INCHES NOMINAL IN
THREAD LENGTH	2.140 INCHES NOMINAL IN
HARDNESS RATING	39.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM FASTENER
MATERIAL DOCUMENT AND CLASSIFICATION	QQ-N-281,CL A FED SPEC SINGLE MATERIAL RESPONSE FASTENER
NOMINAL THREAD DIAMETER	0.500 INCHES IN
HEAD STYLE	FLAT CHAMFER
THREAD DIRECTION	RIGHT-HAND
LOCKING FEATURE	PATCH OR PELLET OR STRIP LOCKING FEATURE

OTHER ITEMS IN FSC 5305 — Screws

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

5305-00-001-5016 5305-00-001-9160 5305-00-001-9629 5305-00-001-9742 5305-00-001-9768 5305-00-003-4306 5305-00-003-6694 5305-00-003-6753

SUBSTITUTES & CROSS-REFERENCES 1

400 6640207 REV-ITEM 12Reference document

Same NSN cross-reference

Reference document — Secondary reference

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 M8820068?

M8820068 is a SCREW,CAP,SOCKET HEAD.

What parts can replace M8820068?

There is 1 known substitute for M8820068: 400 6640207 REV-ITEM 12. Substitute compatibility should be verified for your specific system.

What is the NSN for M8820068?

M8820068 is cataloged in the U.S. Government catalog under NSN 5305-01-357-5630. This indicates validated use in U.S. government and defense supply chains.

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