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656-064-9001 — SCREW,EXTERNALLY RELIEVED BODY

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

656-064-9001: SCREW,EXTERNALLY RELIEVED BODY.

The SCREW,EXTERNALLY RELIEVED BODY is a the manufacturer industrial component. Key specifications include material: STEEL COMP 4037 OVERALL, head_style: FILLISTER, head_height: 0.067 INCHES MINIMUM AND 0.097 INCHES MAXIMUM IN, thread_class: 2A A, head_diameter: 0.250 INCHES MINIMUM AND 0.280 INCHES MAXIMUM IN, thread_length: 0.165 INCHES MINIMUM AND 0.195 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-055-6524, 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
656-064-9001
NSN: 5305-01-055-6524
FSC: 5305 — Screws
CAGE: 58998 — FASTENER INNOVATION TECHNOLOGY, INC. DBA F I T (USA)
SPECIFICATIONS
materialSTEEL COMP 4037 OVERALL
head_styleFILLISTER
head_height0.067 INCHES MINIMUM AND 0.097 INCHES MAXIMUM IN
thread_class2A A
head_diameter0.250 INCHES MINIMUM AND 0.280 INCHES MAXIMUM IN
thread_length0.165 INCHES MINIMUM AND 0.195 INCHES MAXIMUM IN
fastener_length0.427 INCHES MINIMUM AND 0.447 INCHES MAXIMUM IN
special_featuresPANEL ASSEMBLED TO THE LAST RELIEVED DIAMETER NEAR THREADS;PANEL THICKNESS 0.030 IN. MIN.;0.046 IN. MAX.;DIA.OF PANEL 0.208 IN. MIN. 0.213 IN. MAX.;PANEL IS FLANGED MIN.99 DEGREES MAX. 100 DEGREES IN
thread_directionRIGHT-HAND
surface_treatmentCADMIUM OVERALL
internal_drive_styleSLOT
nominal_thread_diameter0.138 INCHES IN
NSN5305-01-055-6524
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 656-064-9001 · 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
•
HEAD HEIGHT: 0.067 INCHES MINIMUM AND 0.097 INCHES MAXIMUM IN
•
FASTENER LENGTH: 0.427 INCHES MINIMUM AND 0.447 INCHES MAXIMUM IN
•
THREAD LENGTH: 0.165 INCHES MINIMUM AND 0.195 INCHES MAXIMUM IN
•
FIRST DIAMETER FROM HEAD: 0.250 INCHES MINIMUM AND 0.280 INCHES MAXIMUM IN
•
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER: 0.062 INCHES NOMINAL IN
•
NOMINAL THREAD DIAMETER: 0.138 INCHES IN
•
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF THIRD DIAMETER: 0.262 INCHES NOMINAL IN
•
HEAD STYLE: FILLISTER
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.067 INCHES MINIMUM AND 0.097 INCHES MAXIMUM IN
FASTENER LENGTH0.427 INCHES MINIMUM AND 0.447 INCHES MAXIMUM IN
THREAD LENGTH0.165 INCHES MINIMUM AND 0.195 INCHES MAXIMUM IN
FIRST DIAMETER FROM HEAD0.250 INCHES MINIMUM AND 0.280 INCHES MAXIMUM IN
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER0.062 INCHES NOMINAL IN
NOMINAL THREAD DIAMETER0.138 INCHES IN
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF THIRD DIAMETER0.262 INCHES NOMINAL IN
HEAD STYLEFILLISTER
THREAD DIRECTIONRIGHT-HAND
SECOND DIAMETER FROM HEAD0.200 INCHES MINIMUM AND 0.205 INCHES MAXIMUM IN
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
DIA7900-6-A-2Reference 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 656-064-9001?
656-064-9001 is a SCREW,EXTERNALLY RELIEVED BODY.
What parts can replace 656-064-9001?
There is 1 known substitute for 656-064-9001: DIA7900-6-A-2. Substitute compatibility should be verified for your specific system.
What is the NSN for 656-064-9001?
656-064-9001 is cataloged in the U.S. Government catalog under NSN 5305-01-055-6524. 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.