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PartsTable / COMPONENT / 27145S2
27145S2 ✓ 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: ROUND, head_height: 0.123 INCHES MINIMUM AND 0.137 INCHES MAXIMUM IN, thread_class: 2A A, head_diameter: 0.334 INCHES MINIMUM AND 0.359 INCHES MAXIMUM IN, thread_length: 1.000 INCHES MINIMUM IN, screw_material: STEEL. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-579-2972, 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
27145S2
NSN: 5305-00-579-2972
FSC: 5305
CAGE: 23040 — FORD MOTOR CO FORD PARTS AND SERVICE DIV GOVERNMENT PART SALES (USA)
SPECIFICATIONS
head_styleROUND
head_height0.123 INCHES MINIMUM AND 0.137 INCHES MAXIMUM IN
thread_class2A A
head_diameter0.334 INCHES MINIMUM AND 0.359 INCHES MAXIMUM IN
thread_length1.000 INCHES MINIMUM IN
screw_materialSTEEL
fastener_length1.000 INCHES NOMINAL IN
thread_directionRIGHT-HAND
internal_drive_styleSLOT
nominal_thread_diameter0.190 INCHES IN
minimum_tensile_strength60000 POUNDS PER SQUARE INCH LBS
thread_quantity_per_inch32
NSN5305-00-579-2972
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 27145S2 · 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
•
INTERNAL DRIVE STYLE: SLOT
•
THREAD CLASS: 2A A
•
THREAD DIRECTION: RIGHT-HAND
•
FASTENER LENGTH: 1.000 INCHES NOMINAL IN
•
THREAD SERIES DESIGNATOR: UNF
•
SCREW MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-634 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-S-637 FED SPEC SINGLE MATERIAL RESPONSE OR 66 FED STD SINGLE MATERIAL RESPONSE
•
NOMINAL THREAD DIAMETER: 0.190 INCHES IN
•
THREAD LENGTH: 1.000 INCHES MINIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
INTERNAL DRIVE STYLESLOT
THREAD CLASS2A A
THREAD DIRECTIONRIGHT-HAND
FASTENER LENGTH1.000 INCHES NOMINAL IN
THREAD SERIES DESIGNATORUNF
SCREW MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-634 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-S-637 FED SPEC SINGLE MATERIAL RESPONSE OR 66 FED STD SINGLE MATERIAL RESPONSE
NOMINAL THREAD DIAMETER0.190 INCHES IN
THREAD LENGTH1.000 INCHES MINIMUM IN
HEAD DIAMETER0.334 INCHES MINIMUM AND 0.359 INCHES MAXIMUM IN
HEAD HEIGHT0.123 INCHES MINIMUM AND 0.137 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 18
9-14081Interchangeable
interchangeable cross-reference
interchangeable
6-3-83Interchangeable
IBM 16/32gb 14 Tape Drive Assm
interchangeable
MIL-F-2692Interchangeable
interchangeable cross-reference
interchangeable
40D42Interchangeable
interchangeable cross-reference
interchangeable
ASB28Interchangeable
interchangeable cross-reference
interchangeable
542109Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 27145S2?
27145S2 is a SCREW,MACHINE.
What parts can replace 27145S2?
There are 18 known substitutes for 27145S2: 9-14081, 6-3-83, MIL-F-2692 and 15 more. Substitute compatibility should be verified for your specific system.
Is 27145S2 still available?
27145S2 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