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C3606-23 — SCREW,CLOSE TOLERANCE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

C3606-23: SCREW,CLOSE TOLERANCE.

The SCREW,CLOSE TOLERANCE is a the manufacturer industrial component. Key specifications include material: STEEL COMP H11 OVERALL, head_style: FLAT COUNTERSUNK, grip_length: 0.700 INCHES MINIMUM AND 0.720 INCHES MAXIMUM IN, thread_class: 3A A, grip_diameter: 0.4358 INCHES MINIMUM AND 0.4367 INCHES MAXIMUM IN, head_diameter: 0.875 INCHES MINIMUM AND 0.895 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5305-00-192-0583, 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
C3606-23
NSN: 5305-00-192-0583
FSC: 5305 — Screws
CAGE: 81755 — LOCKHEED MARTIN CORPORATION DIV LOCKHEED MARTIN AERONAUTICS COMPANY (USA)
SPECIFICATIONS
materialSTEEL COMP H11 OVERALL
head_styleFLAT COUNTERSUNK
grip_length0.700 INCHES MINIMUM AND 0.720 INCHES MAXIMUM IN
thread_class3A A
grip_diameter0.4358 INCHES MINIMUM AND 0.4367 INCHES MAXIMUM IN
head_diameter0.875 INCHES MINIMUM AND 0.895 INCHES MAXIMUM IN
thread_length0.640 INCHES MINIMUM AND 0.680 INCHES MAXIMUM IN
surface_finish32.0 MICROINCHES THREADS
fastener_length1.360 INCHES MINIMUM AND 1.380 INCHES MAXIMUM IN
hardness_rating46.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM OVERALL
special_featuresSOCKET HEXAGON INTERNAL DRIVE ON THREADED END
thread_directionRIGHT-HAND
NSN5305-00-192-0583
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: C3606-23 · 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
•
SURFACE FINISH: 32.0 MICROINCHES THREADS
•
WIDTH ACROSS FLATS: 0.220 INCHES MINIMUM AND 0.226 INCHES MAXIMUM IN
•
FASTENER LENGTH: 1.360 INCHES MINIMUM AND 1.380 INCHES MAXIMUM IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: NAS 672 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
•
THREAD LENGTH: 0.640 INCHES MINIMUM AND 0.680 INCHES MAXIMUM IN
•
HARDNESS RATING: 46.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM OVERALL
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS6485 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
TECHNICAL CHARACTERISTICS
SURFACE FINISH32.0 MICROINCHES THREADS
SURFACE FINISH32.0 MICROINCHES BEARING SURFACE OF HEAD
WIDTH ACROSS FLATS0.220 INCHES MINIMUM AND 0.226 INCHES MAXIMUM IN
FASTENER LENGTH1.360 INCHES MINIMUM AND 1.380 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONNAS 672 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
THREAD LENGTH0.640 INCHES MINIMUM AND 0.680 INCHES MAXIMUM IN
HARDNESS RATING46.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONAMS6485 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NOMINAL THREAD DIAMETER0.438 INCHES IN
HEAD STYLEFLAT COUNTERSUNK
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
HR112-7-23Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 C3606-23?
C3606-23 is a SCREW,CLOSE TOLERANCE.
What parts can replace C3606-23?
There is 1 known substitute for C3606-23: HR112-7-23. Substitute compatibility should be verified for your specific system.
What is the NSN for C3606-23?
C3606-23 is cataloged in the U.S. Government catalog under NSN 5305-00-192-0583. 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.