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273034 — SCREW,MACHINE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

273034: SCREW,MACHINE.

The SCREW,MACHINE is a the manufacturer industrial component. Key specifications include head_style: MODIFIED PAN, head_height: 0.133 INCHES NOMINAL IN, thread_class: 2A A, head_diameter: 0.373 INCHES NOMINAL IN, thread_length: 0.375 INCHES NOMINAL IN, screw_material: STEEL COMP 302. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-596-1187, 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
273034
NSN: 5305-01-596-1187
FSC: 5305 — Screws
CAGE: 24114 — MIRION TECHNOLOGIES (CANBERRA), INC. (USA)
SPECIFICATIONS
head_styleMODIFIED PAN
head_height0.133 INCHES NOMINAL IN
thread_class2A A
head_diameter0.373 INCHES NOMINAL IN
thread_length0.375 INCHES NOMINAL IN
screw_materialSTEEL COMP 302
fastener_length0.508 INCHES NOMINAL IN
special_featuresITEM HAS INTERNAL TOOTH LOCK WASHER
thread_directionRIGHT-HAND
internal_drive_styleCROSS RECESS TYPE II
nominal_thread_diameter0.190 INCHES IN
extended_washer_diameter0.383 INCHES NOMINAL IN
NSN5305-01-596-1187
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 273034 · 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
•
EXTENDED WASHER THICKNESS: 0.024 INCHES NOMINAL IN
•
HEAD HEIGHT: 0.133 INCHES NOMINAL IN
•
FASTENER LENGTH: 0.508 INCHES NOMINAL IN
•
EXTENDED WASHER DIAMETER: 0.383 INCHES NOMINAL IN
•
THREAD LENGTH: 0.375 INCHES NOMINAL IN
•
NOMINAL THREAD DIAMETER: 0.190 INCHES IN
•
HEAD STYLE: MODIFIED PAN
•
THREAD DIRECTION: RIGHT-HAND
TECHNICAL CHARACTERISTICS
EXTENDED WASHER THICKNESS0.024 INCHES NOMINAL IN
HEAD HEIGHT0.133 INCHES NOMINAL IN
FASTENER LENGTH0.508 INCHES NOMINAL IN
EXTENDED WASHER DIAMETER0.383 INCHES NOMINAL IN
THREAD LENGTH0.375 INCHES NOMINAL IN
NOMINAL THREAD DIAMETER0.190 INCHES IN
HEAD STYLEMODIFIED PAN
THREAD DIRECTIONRIGHT-HAND
SCREW MATERIALSTEEL COMP 302
SPECIAL FEATURESITEM HAS INTERNAL TOOTH LOCK WASHER
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
95345A091Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 273034?
273034 is a SCREW,MACHINE.
What parts can replace 273034?
There is 1 known substitute for 273034: 95345A091. Substitute compatibility should be verified for your specific system.
What is the NSN for 273034?
273034 is cataloged in the U.S. Government catalog under NSN 5305-01-596-1187. 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.