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212-8654329ITEM008 — SCREW,CAP,HEXAGON HEAD

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

212-8654329ITEM008: SCREW,CAP,HEXAGON HEAD.

The SCREW,CAP,HEXAGON HEAD is a the manufacturer industrial component. Key specifications include material: NICKEL ALLOY 400 AND NICKEL ALLOY R-405 OVERALL, head_style: HEXAGON, head_height: 0.365 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN, thread_class: 3A A, thread_length: 0.750 INCHES NOMINAL IN, fastener_length: 0.750 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-665-0040, 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
212-8654329ITEM008
NSN: 5305-01-665-0040
FSC: 5305 — Screws
CAGE: 43689 — HUNTINGTON INGALLS INC DIV NEWPORT NEWS SHIPBUILDING (USA)
SPECIFICATIONS
materialNICKEL ALLOY 400 AND NICKEL ALLOY R-405 OVERALL
head_styleHEXAGON
head_height0.365 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN
thread_class3A A
thread_length0.750 INCHES NOMINAL IN
fastener_length0.750 INCHES NOMINAL IN
locking_featurePATCH OR PELLET OR STRIP THREADS
thread_directionRIGHT-HAND
width_between_flats0.6210 INCHES MINIMUM AND 0.6230 INCHES MAXIMUM IN
nominal_thread_diameter0.438 INCHES IN
thread_quantity_per_inch20
thread_series_designatorUNF
NSN5305-01-665-0040
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 212-8654329ITEM008 · 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: 0.365 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN
•
FASTENER LENGTH: 0.750 INCHES NOMINAL IN
•
THREAD LENGTH: 0.750 INCHES NOMINAL IN
•
NOMINAL THREAD DIAMETER: 0.438 INCHES IN
•
HEAD STYLE: HEXAGON
•
THREAD DIRECTION: RIGHT-HAND
•
WIDTH BETWEEN FLATS: 0.6210 INCHES MINIMUM AND 0.6230 INCHES MAXIMUM IN
•
LOCKING FEATURE: PATCH OR PELLET OR STRIP THREADS
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.365 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN
FASTENER LENGTH0.750 INCHES NOMINAL IN
THREAD LENGTH0.750 INCHES NOMINAL IN
NOMINAL THREAD DIAMETER0.438 INCHES IN
HEAD STYLEHEXAGON
THREAD DIRECTIONRIGHT-HAND
WIDTH BETWEEN FLATS0.6210 INCHES MINIMUM AND 0.6230 INCHES MAXIMUM IN
LOCKING FEATUREPATCH OR PELLET OR STRIP THREADS
PART NAME ASSIGNED BY CONTROLLING AGENCYSCREW,CAP,SLFLKG
THREAD CLASS3A A
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
J2295F468F3S07LN12UReference document
Same NSN cross-reference
Reference document — Design control — primary 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 212-8654329ITEM008?
212-8654329ITEM008 is a SCREW,CAP,HEXAGON HEAD.
What parts can replace 212-8654329ITEM008?
There is 1 known substitute for 212-8654329ITEM008: J2295F468F3S07LN12U. Substitute compatibility should be verified for your specific system.
What is the NSN for 212-8654329ITEM008?
212-8654329ITEM008 is cataloged in the U.S. Government catalog under NSN 5305-01-665-0040. 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.