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1603114 — SCREW,MACHINE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

1603114: SCREW,MACHINE.

The SCREW,MACHINE is a the manufacturer industrial component. Key specifications include head_style: FLAT COUNTERSUNK, thread_class: 2A A, head_diameter: 0.660 INCHES MINIMUM AND 0.693 INCHES MAXIMUM IN, thread_length: 0.471 INCHES MINIMUM AND 0.513 INCHES MAXIMUM IN, screw_material: STEEL COMP 1008, fastener_length: 0.672 INCHES MINIMUM AND 0.688 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5305-00-428-6527, 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
1603114
NSN: 5305-00-428-6527
FSC: 5305 — Screws
CAGE: 50019 — READY POWER CO THE (USA)
SPECIFICATIONS
head_styleFLAT COUNTERSUNK
thread_class2A A
head_diameter0.660 INCHES MINIMUM AND 0.693 INCHES MAXIMUM IN
thread_length0.471 INCHES MINIMUM AND 0.513 INCHES MAXIMUM IN
screw_materialSTEEL COMP 1008
fastener_length0.672 INCHES MINIMUM AND 0.688 INCHES MAXIMUM IN
hardness_rating93.4 ROCKWELL C NOMINAL
thread_directionRIGHT-HAND
countersink_angle82.0 DEGREES MINIMUM AND 84.0 DEGREES MAXIMUM
internal_drive_styleSLOT
nominal_thread_diameter0.375 INCHES IN
screw_surface_treatmentDICHROMATE ZINC
NSN5305-00-428-6527
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 1603114 · 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
•
SCREW SURFACE TREATMENT: DICHROMATE ZINC
•
FASTENER LENGTH: 0.672 INCHES MINIMUM AND 0.688 INCHES MAXIMUM IN
•
SCREW MATERIAL DOCUMENT AND CLASSIFICATION: SAE ASSN STD SINGLE MATERIAL RESPONSE
•
THREAD LENGTH: 0.471 INCHES MINIMUM AND 0.513 INCHES MAXIMUM IN
•
HARDNESS RATING: 93.4 ROCKWELL C NOMINAL
•
NOMINAL THREAD DIAMETER: 0.375 INCHES IN
•
HEAD STYLE: FLAT COUNTERSUNK
•
THREAD DIRECTION: RIGHT-HAND
TECHNICAL CHARACTERISTICS
SCREW SURFACE TREATMENTDICHROMATE ZINC
FASTENER LENGTH0.672 INCHES MINIMUM AND 0.688 INCHES MAXIMUM IN
SCREW MATERIAL DOCUMENT AND CLASSIFICATIONSAE ASSN STD SINGLE MATERIAL RESPONSE
THREAD LENGTH0.471 INCHES MINIMUM AND 0.513 INCHES MAXIMUM IN
HARDNESS RATING93.4 ROCKWELL C NOMINAL
NOMINAL THREAD DIAMETER0.375 INCHES IN
HEAD STYLEFLAT COUNTERSUNK
THREAD DIRECTIONRIGHT-HAND
SCREW MATERIALSTEEL COMP 1008
INTERNAL DRIVE STYLESLOT
SUBSTITUTES & CROSS-REFERENCES 7
71154Reference document
Same NSN cross-reference
Reference document — Secondary reference
47386Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
1913960Reference document
Same NSN cross-reference
Reference document — Secondary reference
33686Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
FF-S-92B TYPE I ST 2SReference document
Same NSN cross-reference
Reference document — Identification reference
3F379Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 1603114?
1603114 is a SCREW,MACHINE.
What parts can replace 1603114?
There are 7 known substitutes for 1603114: 71154, 47386, 1913960 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 1603114?
1603114 is cataloged in the U.S. Government catalog under NSN 5305-00-428-6527. 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.