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D4R-13481 ITEM 6 — SCREW,MACHINE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

D4R-13481 ITEM 6: SCREW,MACHINE.

The SCREW,MACHINE is a the manufacturer industrial component. Key specifications include head_style: FILLISTER, head_height: 0.061 INCHES MINIMUM AND 0.070 INCHES MAXIMUM IN, thread_class: 2A A, head_diameter: 0.145 INCHES MINIMUM AND 0.161 INCHES MAXIMUM IN, thread_length: 0.396 INCHES MINIMUM AND 0.438 INCHES MAXIMUM IN, screw_material: STEEL CORROSION RESISTING. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-272-8311, 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
D4R-13481 ITEM 6
NSN: 5305-01-272-8311
FSC: 5305 — Screws
CAGE: 05991 — CAMERON ENERGY SERVICES CORP. (USA)
SPECIFICATIONS
head_styleFILLISTER
head_height0.061 INCHES MINIMUM AND 0.070 INCHES MAXIMUM IN
thread_class2A A
head_diameter0.145 INCHES MINIMUM AND 0.161 INCHES MAXIMUM IN
thread_length0.396 INCHES MINIMUM AND 0.438 INCHES MAXIMUM IN
screw_materialSTEEL CORROSION RESISTING
fastener_length0.438 INCHES NOMINAL IN
thread_directionRIGHT-HAND
internal_drive_styleSLOT
nominal_thread_diameter0.099 INCHES IN
thread_quantity_per_inch48
thread_series_designatorUNIFIED NATIONAL COARSE (UNC)
NSN5305-01-272-8311
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: D4R-13481 ITEM 6 · 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: 0.061 INCHES MINIMUM AND 0.070 INCHES MAXIMUM IN
•
FASTENER LENGTH: 0.438 INCHES NOMINAL IN
•
THREAD LENGTH: 0.396 INCHES MINIMUM AND 0.438 INCHES MAXIMUM IN
•
NOMINAL THREAD DIAMETER: 0.099 INCHES IN
•
HEAD STYLE: FILLISTER
•
THREAD DIRECTION: RIGHT-HAND
•
SCREW MATERIAL: STEEL CORROSION RESISTING
•
INTERNAL DRIVE STYLE: SLOT
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.061 INCHES MINIMUM AND 0.070 INCHES MAXIMUM IN
FASTENER LENGTH0.438 INCHES NOMINAL IN
THREAD LENGTH0.396 INCHES MINIMUM AND 0.438 INCHES MAXIMUM IN
NOMINAL THREAD DIAMETER0.099 INCHES IN
HEAD STYLEFILLISTER
THREAD DIRECTIONRIGHT-HAND
SCREW MATERIALSTEEL CORROSION RESISTING
INTERNAL DRIVE STYLESLOT
THREAD CLASS2A A
THREAD QUANTITY PER INCH48
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
S907.0078.ZReference 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 D4R-13481 ITEM 6?
D4R-13481 ITEM 6 is a SCREW,MACHINE.
What parts can replace D4R-13481 ITEM 6?
There is 1 known substitute for D4R-13481 ITEM 6: S907.0078.Z. Substitute compatibility should be verified for your specific system.
What is the NSN for D4R-13481 ITEM 6?
D4R-13481 ITEM 6 is cataloged in the U.S. Government catalog under NSN 5305-01-272-8311. 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.