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C-04-21421 — SCREW,CAP,SOCKET HEAD

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

C-04-21421: SCREW,CAP,SOCKET HEAD.

The SCREW,CAP,SOCKET HEAD is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_style: PAN NO. 2, head_height: 2.9 MILLIMETERS NOMINAL MM, head_diameter: 7.8 MILLIMETERS NOMINAL MM, fastener_length: 12.0 MILLIMETERS NOMINAL MM, special_features: SCREW TAP SIZE: M4 X 0.7.

This part is cataloged in the U.S. Government catalog under NSN 5305-01-595-6147, 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
C-04-21421
NSN: 5305-01-595-6147
FSC: 5305 — Screws
CAGE: 1MMD1 — ANIXTER INC DBA ANIXTER (USA)
SPECIFICATIONS
materialSTEEL OVERALL
head_stylePAN NO. 2
head_height2.9 MILLIMETERS NOMINAL MM
head_diameter7.8 MILLIMETERS NOMINAL MM
fastener_length12.0 MILLIMETERS NOMINAL MM
special_featuresSCREW TAP SIZE: M4 X 0.7
thread_directionRIGHT-HAND
surface_treatmentOXIDE OVERALL
internal_drive_styleTORX
thread_series_designatorM
part_name_assigned_by_controlling_agencySCREW, PAN HEAD
NSN5305-01-595-6147
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: C-04-21421 · 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: 2.9 MILLIMETERS NOMINAL MM
•
FASTENER LENGTH: 12.0 MILLIMETERS NOMINAL MM
•
HEAD STYLE: PAN NO. 2
•
THREAD DIRECTION: RIGHT-HAND
•
COLOR: BLACK OVERALL
•
SURFACE TREATMENT: OXIDE OVERALL
•
INTERNAL DRIVE STYLE: TORX
TECHNICAL CHARACTERISTICS
HEAD HEIGHT2.9 MILLIMETERS NOMINAL MM
FASTENER LENGTH12.0 MILLIMETERS NOMINAL MM
HEAD STYLEPAN NO. 2
THREAD DIRECTIONRIGHT-HAND
COLORBLACK OVERALL
SPECIAL FEATURESSCREW TAP SIZE: M4 X 0.7
SURFACE TREATMENTOXIDE OVERALL
INTERNAL DRIVE STYLETORX
PART NAME ASSIGNED BY CONTROLLING AGENCYSCREW, PAN HEAD
MATERIALSTEEL OVERALL
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
04-21421Reference document
Same NSN cross-reference
Reference document — Vendor item drawing reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Terminal item — stock exhausted; no further procurementNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is C-04-21421?
C-04-21421 is a SCREW,CAP,SOCKET HEAD.
What parts can replace C-04-21421?
There is 1 known substitute for C-04-21421: 04-21421. Substitute compatibility should be verified for your specific system.
What is the NSN for C-04-21421?
C-04-21421 is cataloged in the U.S. Government catalog under NSN 5305-01-595-6147. This indicates validated use in U.S. government and defense supply chains.
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