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Technical Data Sheet
PartsTable / COMPONENT / 70772A
70772A ✓ 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: FILLISTER, head_height: 0.155 INCHES MINIMUM AND 0.170 INCHES MAXIMUM IN, thread_class: 2A A, head_diameter: 0.289 INCHES MINIMUM AND 0.414 INCHES MAXIMUM IN, thread_length: 0.750 INCHES MINIMUM IN, screw_material: STEEL. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-290-2803, 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
70772A
NSN: 5305-00-290-2803
FSC: 5305
CAGE: 15434 — CUMMINS INC. (USA)
SPECIFICATIONS
head_styleFILLISTER
head_height0.155 INCHES MINIMUM AND 0.170 INCHES MAXIMUM IN
thread_class2A A
head_diameter0.289 INCHES MINIMUM AND 0.414 INCHES MAXIMUM IN
thread_length0.750 INCHES MINIMUM IN
screw_materialSTEEL
fastener_length0.750 INCHES NOMINAL IN
thread_directionRIGHT-HAND
internal_drive_styleSLOT
nominal_thread_diameter0.250 INCHES IN
screw_surface_treatmentCADMIUM OR ZINC
minimum_tensile_strength60000 POUNDS PER SQUARE INCH LBS
NSN5305-00-290-2803
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 70772A · 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
•
THREAD SERIES DESIGNATOR: UNIFIED NATIONAL COARSE (UNC)
•
FASTENER LENGTH: 0.750 INCHES NOMINAL IN
•
SCREW SURFACE TREATMENT: CADMIUM OR ZINC
•
NOMINAL THREAD DIAMETER: 0.250 INCHES IN
•
THREAD DIRECTION: RIGHT-HAND
•
INTERNAL DRIVE STYLE: SLOT
•
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
•
HEAD STYLE: FILLISTER
TECHNICAL CHARACTERISTICS (FLIS)
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
FASTENER LENGTH0.750 INCHES NOMINAL IN
SCREW SURFACE TREATMENTCADMIUM OR ZINC
NOMINAL THREAD DIAMETER0.250 INCHES IN
THREAD DIRECTIONRIGHT-HAND
INTERNAL DRIVE STYLESLOT
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
HEAD STYLEFILLISTER
THREAD LENGTH0.750 INCHES MINIMUM IN
THREAD CLASS2A A
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
77-737Interchangeable
interchangeable cross-reference
interchangeable
24-025Interchangeable
interchangeable cross-reference
interchangeable
73-737Interchangeable
interchangeable cross-reference
interchangeable
MIL-DTL-7560/1Interchangeable
interchangeable cross-reference
interchangeable
11-47-1Interchangeable
interchangeable cross-reference
interchangeable
132264Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 70772A?
70772A is a SCREW,MACHINE.
What parts can replace 70772A?
There are 10 known substitutes for 70772A: 77-737, 24-025, 73-737 and 7 more. Substitute compatibility should be verified for your specific system.
Is 70772A still available?
70772A 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