6406820 FIND 172 — SCREW,CAP,SOCKET HEAD

✓ Government record, cited

— · BOLT SCREW

PRODUCT OVERVIEW

6406820 FIND 172: SCREW,CAP,SOCKET HEAD.

The SCREW,CAP,SOCKET HEAD is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_style: FLAT COUNTERSUNK, thread_class: 3A A, head_diameter: 0.480 INCHES MINIMUM AND 0.531 INCHES MAXIMUM IN, thread_length: 1.000 INCHES MINIMUM IN, fastener_length: 1.210 INCHES MINIMUM AND 1.250 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-463-7093, 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

6406820 FIND 172

NSN: 5305-01-463-7093
FSC: 5305 — Screws
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)

SPECIFICATIONS

material	STEEL OVERALL
head_style	FLAT COUNTERSUNK
thread_class	3A A
head_diameter	0.480 INCHES MINIMUM AND 0.531 INCHES MAXIMUM IN
thread_length	1.000 INCHES MINIMUM IN
fastener_length	1.210 INCHES MINIMUM AND 1.250 INCHES MAXIMUM IN
thread_direction	RIGHT-HAND
countersink_angle	82.0 DEGREES NOMINAL
width_across_flats	0.156 INCHES NOMINAL IN
internal_drive_style	HEXAGON
nominal_thread_diameter	0.250 INCHES IN
thread_quantity_per_inch	28
NSN	5305-01-463-7093

COMPONENT DIAGRAM

KEY FEATURES

•

WIDTH ACROSS FLATS: 0.156 INCHES NOMINAL IN

•

FASTENER LENGTH: 1.210 INCHES MINIMUM AND 1.250 INCHES MAXIMUM IN

•

THREAD LENGTH: 1.000 INCHES MINIMUM IN

•

MATERIAL DOCUMENT AND CLASSIFICATION: FF-S-86 FED STD SINGLE MATERIAL RESPONSE OVERALL

•

NOMINAL THREAD DIAMETER: 0.250 INCHES IN

•

HEAD STYLE: FLAT COUNTERSUNK

•

THREAD DIRECTION: RIGHT-HAND

•

INTERNAL DRIVE STYLE: HEXAGON

TECHNICAL CHARACTERISTICS

WIDTH ACROSS FLATS	0.156 INCHES NOMINAL IN
FASTENER LENGTH	1.210 INCHES MINIMUM AND 1.250 INCHES MAXIMUM IN
THREAD LENGTH	1.000 INCHES MINIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATION	FF-S-86 FED STD SINGLE MATERIAL RESPONSE OVERALL
NOMINAL THREAD DIAMETER	0.250 INCHES IN
HEAD STYLE	FLAT COUNTERSUNK
THREAD DIRECTION	RIGHT-HAND
INTERNAL DRIVE STYLE	HEXAGON
COUNTERSINK ANGLE	82.0 DEGREES NOMINAL
THREAD CLASS	3A A

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

0.250-28UNRF-3A X1.250LReference document

Same NSN cross-reference

Reference document — Advisory reference — outside the item-of-supply concept

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 6406820 FIND 172?

6406820 FIND 172 is a SCREW,CAP,SOCKET HEAD.

What parts can replace 6406820 FIND 172?

There is 1 known substitute for 6406820 FIND 172: 0.250-28UNRF-3A X1.250L. Substitute compatibility should be verified for your specific system.

What is the NSN for 6406820 FIND 172?

6406820 FIND 172 is cataloged in the U.S. Government catalog under NSN 5305-01-463-7093. This indicates validated use in U.S. government and defense supply chains.

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