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Technical Data Sheet
PartsTable / COMPONENT / 1-72UNF2A5-8
1-72UNF2A5-8 ✓ 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: PAN, head_height: 0.044 INCHES MINIMUM AND 0.053 INCHES MAXIMUM IN, thread_class: 2A A, head_diameter: 0.130 INCHES MINIMUM AND 0.142 INCHES MAXIMUM IN, thread_length: 0.566 INCHES MINIMUM AND 0.625 INCHES MAXIMUM IN, screw_material: STEEL COMP 5130H. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-01-023-7583, 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
1-72UNF2A5-8
NSN: 5305-01-023-7583
FSC: 5305
CAGE: 70318 — ALLMETAL SCREW PRODUCTS CORP (USA)
SPECIFICATIONS
head_stylePAN
head_height0.044 INCHES MINIMUM AND 0.053 INCHES MAXIMUM IN
thread_class2A A
head_diameter0.130 INCHES MINIMUM AND 0.142 INCHES MAXIMUM IN
thread_length0.566 INCHES MINIMUM AND 0.625 INCHES MAXIMUM IN
screw_materialSTEEL COMP 5130H
fastener_length0.594 INCHES MINIMUM AND 0.625 INCHES MAXIMUM IN
thread_directionRIGHT-HAND
internal_drive_styleCROSS RECESS TYPE 1
nominal_thread_diameter0.073 INCHES IN
screw_surface_treatmentPASSIVATE
thread_quantity_per_inch72
NSN5305-01-023-7583
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 1-72UNF2A5-8 · 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: STEEL COMP 5130H
•
HEAD DIAMETER: 0.130 INCHES MINIMUM AND 0.142 INCHES MAXIMUM IN
•
NOMINAL THREAD DIAMETER: 0.073 INCHES IN
•
THREAD CLASS: 2A A
•
HEAD HEIGHT: 0.044 INCHES MINIMUM AND 0.053 INCHES MAXIMUM IN
•
THREAD LENGTH: 0.566 INCHES MINIMUM AND 0.625 INCHES MAXIMUM IN
•
THREAD QUANTITY PER INCH: 72
•
SCREW SURFACE TREATMENT: PASSIVATE
TECHNICAL CHARACTERISTICS (FLIS)
SCREW MATERIALSTEEL COMP 5130H
HEAD DIAMETER0.130 INCHES MINIMUM AND 0.142 INCHES MAXIMUM IN
NOMINAL THREAD DIAMETER0.073 INCHES IN
THREAD CLASS2A A
HEAD HEIGHT0.044 INCHES MINIMUM AND 0.053 INCHES MAXIMUM IN
THREAD LENGTH0.566 INCHES MINIMUM AND 0.625 INCHES MAXIMUM IN
THREAD QUANTITY PER INCH72
SCREW SURFACE TREATMENTPASSIVATE
HEAD STYLEPAN
INTERNAL DRIVE STYLECROSS RECESS TYPE 1
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
455269-18Interchangeable
interchangeable cross-reference
interchangeable
FF-S-92B TYIII ST 9CInterchangeable
interchangeable cross-reference
interchangeable
FFS92Interchangeable
interchangeable cross-reference
interchangeable
4-40 X 1/4Interchangeable
interchangeable cross-reference
interchangeable
8734676-1Interchangeable
interchangeable cross-reference
interchangeable
7504434P2Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1-72UNF2A5-8?
1-72UNF2A5-8 is a SCREW,MACHINE.
What parts can replace 1-72UNF2A5-8?
There are 6 known substitutes for 1-72UNF2A5-8: 455269-18, FF-S-92B TYIII ST 9C, FFS92 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 1-72UNF2A5-8?
1-72UNF2A5-8 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-01-023-7583. 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: July 2026