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74A410773-2001 — BOLT,CLOSE TOLERANCE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

74A410773-2001: BOLT,CLOSE TOLERANCE.

The BOLT,CLOSE TOLERANCE is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_style: DEE CHAMFER, grip_length: 0.755 INCHES MINIMUM AND 0.765 INCHES MAXIMUM IN, head_height: 0.187 INCHES NOMINAL IN, thread_class: 3A A, grip_diameter: 0.3740 INCHES MINIMUM AND 0.3750 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5306-01-122-3198, 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
74A410773-2001
NSN: 5306-01-122-3198
FSC: 5306 — Bolts
CAGE: 76301 — THE BOEING COMPANY DIV DEFENSE (USA)
SPECIFICATIONS
materialSTEEL OVERALL
head_styleDEE CHAMFER
grip_length0.755 INCHES MINIMUM AND 0.765 INCHES MAXIMUM IN
head_height0.187 INCHES NOMINAL IN
thread_class3A A
grip_diameter0.3740 INCHES MINIMUM AND 0.3750 INCHES MAXIMUM IN
head_diameter0.625 INCHES NOMINAL IN
thread_length0.380 INCHES MINIMUM AND 0.390 INCHES MAXIMUM IN
fastener_length1.220 INCHES NOMINAL IN
thread_directionRIGHT-HAND
nominal_thread_diameter0.375 INCHES IN
minimum_tensile_strength280000 POUNDS PER SQUARE INCH LBS
NSN5306-01-122-3198
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 74A410773-2001 · 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
•
HEAD HEIGHT: 0.187 INCHES NOMINAL IN
•
FASTENER LENGTH: 1.220 INCHES NOMINAL IN
•
DISTANCE FROM CENTERLINE TO FLAT: 0.250 INCHES NOMINAL IN
•
THREAD LENGTH: 0.380 INCHES MINIMUM AND 0.390 INCHES MAXIMUM IN
•
CRITICALITY CODE JUSTIFICATION: AAUR
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-S-8844,CL 3,COND E2 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
•
NOMINAL THREAD DIAMETER: 0.375 INCHES IN
•
HEAD STYLE: DEE CHAMFER
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.187 INCHES NOMINAL IN
FASTENER LENGTH1.220 INCHES NOMINAL IN
DISTANCE FROM CENTERLINE TO FLAT0.250 INCHES NOMINAL IN
THREAD LENGTH0.380 INCHES MINIMUM AND 0.390 INCHES MAXIMUM IN
CRITICALITY CODE JUSTIFICATIONAAUR
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-8844,CL 3,COND E2 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
NOMINAL THREAD DIAMETER0.375 INCHES IN
HEAD STYLEDEE CHAMFER
THREAD DIRECTIONRIGHT-HAND
GRIP LENGTH0.755 INCHES MINIMUM AND 0.765 INCHES MAXIMUM IN
OTHER ITEMS IN FSC 5306 — Bolts
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5306-00-001-1276 5306-00-001-1949 5306-00-001-1988 5306-00-001-1989 5306-00-001-1990 5306-00-001-1991 5306-00-001-1993 5306-00-001-2017
SUBSTITUTES & CROSS-REFERENCES 2
740410773-2001Reference document
Same NSN cross-reference
Reference document — Secondary reference
10115766Reference document
Same NSN cross-reference
Reference document — Informative reference only
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 74A410773-2001?
74A410773-2001 is a BOLT,CLOSE TOLERANCE.
What parts can replace 74A410773-2001?
There are 2 known substitutes for 74A410773-2001: 740410773-2001, 10115766. Substitute compatibility should be verified for your specific system.
What is the NSN for 74A410773-2001?
74A410773-2001 is cataloged in the U.S. Government catalog under NSN 5306-01-122-3198. 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.