STD-280-4 — SCREW,SHOULDER

✓ Government record, cited

— · BOLT SCREW

PRODUCT OVERVIEW

STD-280-4: SCREW,SHOULDER.

The SCREW,SHOULDER is a the manufacturer industrial component. Key specifications include head_style: DEE, head_height: 0.085 INCHES MINIMUM AND 0.095 INCHES MAXIMUM IN, thread_class: 2B, head_diameter: 0.276 INCHES MINIMUM AND 0.286 INCHES MAXIMUM IN, thread_length: 0.297 INCHES MINIMUM AND 0.327 INCHES MAXIMUM IN, fastener_length: 0.215 INCHES MINIMUM AND 0.235 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-673-6432, 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

STD-280-4

NSN: 5305-01-673-6432
FSC: 5305 — Screws
CAGE: 05259 — CONTAINER RESEARCH CORP DBA CONTAINER RESEARCH CORP DIV CONTAINR RESEARCH CORPORATION (USA)

SPECIFICATIONS

head_style	DEE
head_height	0.085 INCHES MINIMUM AND 0.095 INCHES MAXIMUM IN
thread_class	2B
head_diameter	0.276 INCHES MINIMUM AND 0.286 INCHES MAXIMUM IN
thread_length	0.297 INCHES MINIMUM AND 0.327 INCHES MAXIMUM IN
fastener_length	0.215 INCHES MINIMUM AND 0.235 INCHES MAXIMUM IN
thread_direction	RIGHT-HAND
countersink_angle	0.005 RADIANS NOMINAL
internal_drive_style	SLOT
nominal_thread_diameter	8.0 INCHES IN
thread_quantity_per_inch	32.0
thread_series_designator	UNIFIED NATIONAL COARSE (UNC)
NSN	5305-01-673-6432

COMPONENT DIAGRAM

KEY FEATURES

•

HEAD HEIGHT: 0.085 INCHES MINIMUM AND 0.095 INCHES MAXIMUM IN

•

FASTENER LENGTH: 0.215 INCHES MINIMUM AND 0.235 INCHES MAXIMUM IN

•

THREAD LENGTH: 0.297 INCHES MINIMUM AND 0.327 INCHES MAXIMUM IN

•

MATERIAL DOCUMENT AND CLASSIFICATION: A564 AMERICAN SOCIETY FOR TESTING AND MATERIALS (ASTM) SINGLE MATERIAL RESPONSE OVERALL

•

NOMINAL THREAD DIAMETER: 8.0 INCHES IN

•

HEAD STYLE: DEE

•

THREAD DIRECTION: RIGHT-HAND

•

INTERNAL DRIVE STYLE: SLOT

TECHNICAL CHARACTERISTICS

HEAD HEIGHT	0.085 INCHES MINIMUM AND 0.095 INCHES MAXIMUM IN
FASTENER LENGTH	0.215 INCHES MINIMUM AND 0.235 INCHES MAXIMUM IN
THREAD LENGTH	0.297 INCHES MINIMUM AND 0.327 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATION	A564 AMERICAN SOCIETY FOR TESTING AND MATERIALS (ASTM) SINGLE MATERIAL RESPONSE OVERALL
NOMINAL THREAD DIAMETER	8.0 INCHES IN
HEAD STYLE	DEE
THREAD DIRECTION	RIGHT-HAND
INTERNAL DRIVE STYLE	SLOT
COUNTERSINK ANGLE	0.005 RADIANS NOMINAL
THREAD CLASS	2B

SUBSTITUTES & CROSS-REFERENCES 1

STD-280Reference document

Same NSN cross-reference

Reference document — Drawing number reference only

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 STD-280-4?

STD-280-4 is a SCREW,SHOULDER.

What parts can replace STD-280-4?

There is 1 known substitute for STD-280-4: STD-280. Substitute compatibility should be verified for your specific system.

What is the NSN for STD-280-4?

STD-280-4 is cataloged in the U.S. Government catalog under NSN 5305-01-673-6432. This indicates validated use in U.S. government and defense supply chains.

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STD-280-4 — SCREW,SHOULDER

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