ST3M528B08-56 — SCREW,MACHINE

✓ Government record, cited

— · BOLT SCREW

PRODUCT OVERVIEW

ST3M528B08-56: SCREW,MACHINE.

The SCREW,MACHINE is a the manufacturer industrial component. Key specifications include head_style: ROUND, head_height: 0.110 INCHES MINIMUM AND 0.120 INCHES MAXIMUM IN, thread_class: 2A A, head_diameter: 0.287 INCHES MINIMUM AND 0.309 INCHES MAXIMUM IN, thread_length: 1.750 INCHES MINIMUM IN, screw_material: COPPER ALLOY 360. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-102-2664, 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

ST3M528B08-56

NSN: 5305-01-102-2664
FSC: 5305 — Screws
CAGE: 76301 — THE BOEING COMPANY DIV DEFENSE (USA)

SPECIFICATIONS

head_style	ROUND
head_height	0.110 INCHES MINIMUM AND 0.120 INCHES MAXIMUM IN
thread_class	2A A
head_diameter	0.287 INCHES MINIMUM AND 0.309 INCHES MAXIMUM IN
thread_length	1.750 INCHES MINIMUM IN
screw_material	COPPER ALLOY 360
fastener_length	3.500 INCHES NOMINAL IN
thread_direction	RIGHT-HAND
internal_drive_style	CROSS RECESS TYPE 1
nominal_thread_diameter	0.164 INCHES IN
screw_surface_treatment	OXIDE
minimum_tensile_strength	55000 POUNDS PER SQUARE INCH LBS
NSN	5305-01-102-2664

COMPONENT DIAGRAM

KEY FEATURES

•

HEAD HEIGHT: 0.110 INCHES MINIMUM AND 0.120 INCHES MAXIMUM IN

•

SCREW SURFACE TREATMENT: OXIDE

•

FASTENER LENGTH: 3.500 INCHES NOMINAL IN

•

SCREW MATERIAL DOCUMENT AND CLASSIFICATION: QQ-B-626 TEMPER 1/2 HARD FED SPEC SINGLE MATERIAL RESPONSE

•

THREAD LENGTH: 1.750 INCHES MINIMUM IN

•

NOMINAL THREAD DIAMETER: 0.164 INCHES IN

•

HEAD STYLE: ROUND

•

THREAD DIRECTION: RIGHT-HAND

TECHNICAL CHARACTERISTICS

HEAD HEIGHT	0.110 INCHES MINIMUM AND 0.120 INCHES MAXIMUM IN
SCREW SURFACE TREATMENT	OXIDE
FASTENER LENGTH	3.500 INCHES NOMINAL IN
SCREW MATERIAL DOCUMENT AND CLASSIFICATION	QQ-B-626 TEMPER 1/2 HARD FED SPEC SINGLE MATERIAL RESPONSE
THREAD LENGTH	1.750 INCHES MINIMUM IN
NOMINAL THREAD DIAMETER	0.164 INCHES IN
HEAD STYLE	ROUND
THREAD DIRECTION	RIGHT-HAND
NONDEFINITIVE SPEC/STD DATA	3 TYPE AND 1C STYLE
SCREW MATERIAL	COPPER ALLOY 360

OTHER ITEMS IN FSC 5305 — Screws

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

5305-00-000-0094 5305-00-000-1397 5305-00-000-2625 5305-00-000-3669 5305-00-000-3830 5305-00-000-3831

SUBSTITUTES & CROSS-REFERENCES 1

FF-S-92Reference document

Same NSN cross-reference

Reference document — Identification 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 ST3M528B08-56?

ST3M528B08-56 is a SCREW,MACHINE.

What parts can replace ST3M528B08-56?

There is 1 known substitute for ST3M528B08-56: FF-S-92. Substitute compatibility should be verified for your specific system.

What is the NSN for ST3M528B08-56?

ST3M528B08-56 is cataloged in the U.S. Government catalog under NSN 5305-01-102-2664. This indicates validated use in U.S. government and defense supply chains.

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