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Technical Data Sheet
PartsTable / COMPONENT / L034252
L034252 ✓ Verified by PartsTable
— · BOLT SCREW
WHAT YOU NEED TO KNOW
Grade/class stamped on head determines strength Metric and imperial threads look similar — measure pitch
Verify thread pitch — metric != imperial
PRODUCT OVERVIEW

The SCREW,MACHINE is a the manufacturer industrial component. Key specifications include head_style: FLAT COUNTERSUNK, thread_class: 2A A, head_diameter: 0.150 INCHES MINIMUM AND 0.172 INCHES MAXIMUM IN, thread_length: 0.156 INCHES MINIMUM AND 0.188 INCHES MAXIMUM IN, screw_material: COPPER ALLOY, fastener_length: 0.156 INCHES MINIMUM AND 0.188 INCHES MAXIMUM IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-271-8737, 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
L034252
NSN: 5305-00-271-8737
FSC: 5305
CAGE: 61349 — AMETEK, INC. DIV AEROSPACE & DEFENSE (USA)
SPECIFICATIONS
head_styleFLAT COUNTERSUNK
thread_class2A A
head_diameter0.150 INCHES MINIMUM AND 0.172 INCHES MAXIMUM IN
thread_length0.156 INCHES MINIMUM AND 0.188 INCHES MAXIMUM IN
screw_materialCOPPER ALLOY
fastener_length0.156 INCHES MINIMUM AND 0.188 INCHES MAXIMUM IN
thread_directionRIGHT-HAND
countersink_angle80.0 DEGREES MINIMUM AND 82.0 DEGREES MAXIMUM
internal_drive_styleSLOT
nominal_thread_diameter0.086 INCHES IN
minimum_tensile_strength55000 POUNDS PER SQUARE INCH LBS
thread_quantity_per_inch64
NSN5305-00-271-8737
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: L034252 · 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 DIAMETER: 0.150 INCHES MINIMUM AND 0.172 INCHES MAXIMUM IN
•
SCREW MATERIAL DOCUMENT AND CLASSIFICATION: QQ-B-613 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-B-626 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-W-321 FED SPEC SINGLE MATERIAL RESPONSE
•
COUNTERSINK ANGLE: 80.0 DEGREES MINIMUM AND 82.0 DEGREES MAXIMUM
•
FASTENER LENGTH: 0.156 INCHES MINIMUM AND 0.188 INCHES MAXIMUM IN
•
THREAD QUANTITY PER INCH: 64
•
THREAD DIRECTION: RIGHT-HAND
•
SCREW MATERIAL: COPPER ALLOY
•
INTERNAL DRIVE STYLE: SLOT
TECHNICAL CHARACTERISTICS (FLIS)
HEAD DIAMETER0.150 INCHES MINIMUM AND 0.172 INCHES MAXIMUM IN
SCREW MATERIAL DOCUMENT AND CLASSIFICATIONQQ-B-613 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-B-626 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-W-321 FED SPEC SINGLE MATERIAL RESPONSE
COUNTERSINK ANGLE80.0 DEGREES MINIMUM AND 82.0 DEGREES MAXIMUM
FASTENER LENGTH0.156 INCHES MINIMUM AND 0.188 INCHES MAXIMUM IN
THREAD QUANTITY PER INCH64
THREAD DIRECTIONRIGHT-HAND
SCREW MATERIALCOPPER ALLOY
INTERNAL DRIVE STYLESLOT
THREAD LENGTH0.156 INCHES MINIMUM AND 0.188 INCHES MAXIMUM IN
HEAD STYLEFLAT COUNTERSUNK
VERIFIED SUBSTITUTES & CROSS-REFERENCES 22
R4112BInterchangeable
interchangeable cross-reference
interchangeable
1370-2Interchangeable
interchangeable cross-reference
interchangeable
TM1370-2Interchangeable
interchangeable cross-reference
interchangeable
912086-2Interchangeable
interchangeable cross-reference
interchangeable
11-100022-002Interchangeable
interchangeable cross-reference
interchangeable
10702Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is L034252?
L034252 is a SCREW,MACHINE.
What parts can replace L034252?
There are 22 known substitutes for L034252: R4112B, 1370-2, TM1370-2 and 19 more. Substitute compatibility should be verified for your specific system.
Is L034252 still available?
L034252 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026