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Technical Data Sheet
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27-9WTD — Technical Data Sheet

✓ 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 CHAMFER, head_height: 0.094 INCHES NOMINAL IN, thread_class: 2A A, head_diameter: 0.375 INCHES NOMINAL IN, thread_length: 0.250 INCHES MAXIMUM IN, screw_material: COPPER ALLOY. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System under NSN 5305-00-637-7458, 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
27-9WTD
NSN: 5305-00-637-7458
FSC: 5305
CAGE: 65263 — REALIST INC DAVID WHITE INSTRUMENT DIV (USA)
SPECIFICATIONS
head_styleFLAT CHAMFER
head_height0.094 INCHES NOMINAL IN
thread_class2A A
head_diameter0.375 INCHES NOMINAL IN
thread_length0.250 INCHES MAXIMUM IN
screw_materialCOPPER ALLOY
fastener_length0.250 INCHES NOMINAL IN
thread_directionRIGHT-HAND
internal_drive_styleCROSS RECESS TYPE 1
nominal_thread_diameter0.190 INCHES IN
thread_quantity_per_inch32
thread_series_designatorUNF
NSN5305-00-637-7458
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 27-9WTD · 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 MATERIAL: COPPER ALLOY
•
HEAD HEIGHT: 0.094 INCHES NOMINAL IN
•
THREAD CLASS: 2A A
•
HEAD DIAMETER: 0.375 INCHES NOMINAL IN
•
INTERNAL DRIVE STYLE: CROSS RECESS TYPE 1
•
THREAD LENGTH: 0.250 INCHES MAXIMUM IN
•
NOMINAL THREAD DIAMETER: 0.190 INCHES IN
•
THREAD DIRECTION: RIGHT-HAND
TECHNICAL CHARACTERISTICS
SCREW MATERIALCOPPER ALLOY
HEAD HEIGHT0.094 INCHES NOMINAL IN
THREAD CLASS2A A
HEAD DIAMETER0.375 INCHES NOMINAL IN
INTERNAL DRIVE STYLECROSS RECESS TYPE 1
THREAD LENGTH0.250 INCHES MAXIMUM IN
NOMINAL THREAD DIAMETER0.190 INCHES IN
THREAD DIRECTIONRIGHT-HAND
THREAD SERIES DESIGNATORUNF
HEAD STYLEFLAT CHAMFER
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
60613-7InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
60613InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
LS3505InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
13989-3InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
MS14375E003InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
38-10-32-4BNInterchangeableGOVERNMENT REGISTRY
Screw,machine
interchangeable
LIFECYCLE
StatusACTIVEGOVERNMENT REGISTRY
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 27-9WTD?
27-9WTD is a SCREW,MACHINE.
What parts can replace 27-9WTD?
There are 6 known substitutes for 27-9WTD: 60613-7, 60613, LS3505 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 27-9WTD?
27-9WTD is cataloged in the Federal Logistics Information System under NSN 5305-00-637-7458. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: October 2026