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544585 — SETSCREW

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

544585: SETSCREW.

The SETSCREW is a the manufacturer industrial component. Key specifications include material: STEEL COMP 303 OVERALL, head_style: HEADLESS (SETSCREW), point_style: FLAT, thread_class: 2A A, thread_length: 0.500 INCHES MAXIMUM IN, fastener_length: 0.485 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5305-00-054-4585, 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
544585
NSN: 5305-00-054-4585
FSC: 5305 — Screws
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
materialSTEEL COMP 303 OVERALL
head_styleHEADLESS (SETSCREW)
point_styleFLAT
thread_class2A A
thread_length0.500 INCHES MAXIMUM IN
fastener_length0.485 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN
thread_directionRIGHT-HAND
internal_drive_styleCROSS RECESS TYPE 1
nominal_thread_diameter0.125 INCHES IN
thread_quantity_per_inch44
thread_series_designatorUNF
material_document_and_classificationQQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN5305-00-054-4585
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 544585 · OEM ⚠ VERIFY BEFORE ORDERING Verify thread pitch before ordering — metric (M8×1.25) ≠ imperial (5/16-18). Wrong thread = wrong part. Grade/class stamped on bolt head determines tensile strength ✓ BROKER TIP Grade/class stamped on head determines tensile strength. Grade 8 > Grade 5 > Grade 2. Always confirm head marking matches specification requirement PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
FASTENER LENGTH: 0.485 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN
•
THREAD LENGTH: 0.500 INCHES MAXIMUM IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
NOMINAL THREAD DIAMETER: 0.125 INCHES IN
•
HEAD STYLE: HEADLESS (SETSCREW)
•
THREAD DIRECTION: RIGHT-HAND
•
POINT STYLE: FLAT
•
INTERNAL DRIVE STYLE: CROSS RECESS TYPE 1
TECHNICAL CHARACTERISTICS
FASTENER LENGTH0.485 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN
THREAD LENGTH0.500 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
NOMINAL THREAD DIAMETER0.125 INCHES IN
HEAD STYLEHEADLESS (SETSCREW)
THREAD DIRECTIONRIGHT-HAND
POINT STYLEFLAT
INTERNAL DRIVE STYLECROSS RECESS TYPE 1
THREAD CLASS2A A
THREAD QUANTITY PER INCH44
SUBSTITUTES & CROSS-REFERENCES 1
FF-S-210B TYPE II STYLE 1Reference document
Same NSN cross-reference
Reference document — Identification reference
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 544585?
544585 is a SETSCREW.
What parts can replace 544585?
There is 1 known substitute for 544585: FF-S-210B TYPE II STYLE 1. Substitute compatibility should be verified for your specific system.
What is the NSN for 544585?
544585 is cataloged in the U.S. Government catalog under NSN 5305-00-054-4585. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.