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105C034P1 — SCREW,EXTERNALLY RELIEVED BODY

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

105C034P1: SCREW,EXTERNALLY RELIEVED BODY.

The SCREW,EXTERNALLY RELIEVED BODY is a the manufacturer industrial component. Key specifications include material: STEEL COMP 630 OVERALL, head_style: HEXAGON COUNTERSUNK, head_height: 0.334 INCHES MINIMUM AND 0.344 INCHES MAXIMUM IN, point_style: CONE, point_length: 0.275 INCHES MINIMUM AND 0.285 INCHES MAXIMUM IN, thread_class: 2A A. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-193-7586, 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
105C034P1
NSN: 5305-01-193-7586
FSC: 5305 — Screws
CAGE: 24039 — VARO LLC (USA)
SPECIFICATIONS
materialSTEEL COMP 630 OVERALL
head_styleHEXAGON COUNTERSUNK
head_height0.334 INCHES MINIMUM AND 0.344 INCHES MAXIMUM IN
point_styleCONE
point_length0.275 INCHES MINIMUM AND 0.285 INCHES MAXIMUM IN
thread_class2A A
thread_length0.370 INCHES MINIMUM AND 0.380 INCHES MAXIMUM IN
fastener_length1.446 INCHES MINIMUM AND 1.456 INCHES MAXIMUM IN
hardness_rating35.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM OVERALL
special_featuresFURNISHED WITH STEEL COLLAR,0.725 IN. LONG IN
thread_directionRIGHT-HAND
countersink_angle80.0 DEGREES MINIMUM AND 82.0 DEGREES MAXIMUM
NSN5305-01-193-7586
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 105C034P1 · 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: 0.334 INCHES MINIMUM AND 0.344 INCHES MAXIMUM IN
•
POINT LENGTH: 0.275 INCHES MINIMUM AND 0.285 INCHES MAXIMUM IN
•
FASTENER LENGTH: 1.446 INCHES MINIMUM AND 1.456 INCHES MAXIMUM IN
•
THREAD LENGTH: 0.370 INCHES MINIMUM AND 0.380 INCHES MAXIMUM IN
•
HARDNESS RATING: 35.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM OVERALL
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS 5643 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
POINT CHAMFER ANGLE: 59.0 DEGREES MINIMUM AND 61.0 DEGREES MAXIMUM
•
FIRST DIAMETER FROM HEAD: 0.297 INCHES MINIMUM AND 0.301 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.334 INCHES MINIMUM AND 0.344 INCHES MAXIMUM IN
POINT LENGTH0.275 INCHES MINIMUM AND 0.285 INCHES MAXIMUM IN
FASTENER LENGTH1.446 INCHES MINIMUM AND 1.456 INCHES MAXIMUM IN
THREAD LENGTH0.370 INCHES MINIMUM AND 0.380 INCHES MAXIMUM IN
HARDNESS RATING35.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5643 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
POINT CHAMFER ANGLE59.0 DEGREES MINIMUM AND 61.0 DEGREES MAXIMUM
FIRST DIAMETER FROM HEAD0.297 INCHES MINIMUM AND 0.301 INCHES MAXIMUM IN
NOMINAL THREAD DIAMETER0.375 INCHES IN
HEAD STYLEHEXAGON 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

No substitute or cross-reference records for this part.

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 105C034P1?
105C034P1 is a SCREW,EXTERNALLY RELIEVED BODY.
What is the NSN for 105C034P1?
105C034P1 is cataloged in the U.S. Government catalog under NSN 5305-01-193-7586. 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.