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4074030 — BOLT,CLOSE TOLERANCE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

4074030: BOLT,CLOSE TOLERANCE.

The BOLT,CLOSE TOLERANCE is a the manufacturer industrial component. Key specifications include material: NICKEL ALLOY OVERALL, head_style: TEE NO. 6, grip_length: 0.790 INCHES MINIMUM AND 0.860 INCHES MAXIMUM IN, head_height: 0.085 INCHES MINIMUM AND 0.095 INCHES MAXIMUM IN, head_length: 0.430 INCHES NOMINAL IN, thread_class: 3A A.

This part is cataloged in the U.S. Government catalog under NSN 5306-01-318-9243, 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
4074030
NSN: 5306-01-318-9243
FSC: 5306 — Bolts
CAGE: 77445 — RTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY (USA)
SPECIFICATIONS
materialNICKEL ALLOY OVERALL
head_styleTEE NO. 6
grip_length0.790 INCHES MINIMUM AND 0.860 INCHES MAXIMUM IN
head_height0.085 INCHES MINIMUM AND 0.095 INCHES MAXIMUM IN
head_length0.430 INCHES NOMINAL IN
thread_class3A A
chamfer_angle40.0 DEGREES MINIMUM AND 50.0 DEGREES MAXIMUM
grip_diameter0.1885 INCHES MINIMUM AND 0.1890 INCHES MAXIMUM IN
thread_length0.425 INCHES NOMINAL IN
surface_finish63.0 MICROINCHES BEARING SURFACE OF HEAD
fastener_length1.240 INCHES MINIMUM AND 1.260 INCHES MAXIMUM IN
special_featuresCHAMFERRED 0.015-0.025 IN. ON ALLFOUR BOTTOM EDGES OF HEAD;THREAD MODIFIED 0.1810-0.1870 IN. MAJOR DIA IN
NSN5306-01-318-9243
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 4074030 · 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
•
SURFACE FINISH: 63.0 MICROINCHES GRIP
•
HEAD HEIGHT: 0.085 INCHES MINIMUM AND 0.095 INCHES MAXIMUM IN
•
FASTENER LENGTH: 1.240 INCHES MINIMUM AND 1.260 INCHES MAXIMUM IN
•
THREAD LENGTH: 0.425 INCHES NOMINAL IN
•
SHANK UNTHREADED HOLE DIAMETER: 0.065 INCHES MINIMUM AND 0.072 INCHES MAXIMUM FIRST HOLE IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: PWA96,CAGE 77445 MFR REF SINGLE MATERIAL RESPONSE OVERALL
•
NOMINAL THREAD DIAMETER: 0.190 INCHES IN
TECHNICAL CHARACTERISTICS
SURFACE FINISH63.0 MICROINCHES GRIP
SURFACE FINISH63.0 MICROINCHES BEARING SURFACE OF HEAD
HEAD HEIGHT0.085 INCHES MINIMUM AND 0.095 INCHES MAXIMUM IN
FASTENER LENGTH1.240 INCHES MINIMUM AND 1.260 INCHES MAXIMUM IN
THREAD LENGTH0.425 INCHES NOMINAL IN
SHANK UNTHREADED HOLE DIAMETER0.065 INCHES MINIMUM AND 0.072 INCHES MAXIMUM FIRST HOLE IN
MATERIAL DOCUMENT AND CLASSIFICATIONPWA96,CAGE 77445 MFR REF SINGLE MATERIAL RESPONSE OVERALL
NOMINAL THREAD DIAMETER0.190 INCHES IN
HEAD STYLETEE NO. 6
THREAD DIRECTIONRIGHT-HAND
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 1
5306PL1499197Reference 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 4074030?
4074030 is a BOLT,CLOSE TOLERANCE.
What parts can replace 4074030?
There is 1 known substitute for 4074030: 5306PL1499197. Substitute compatibility should be verified for your specific system.
What is the NSN for 4074030?
4074030 is cataloged in the U.S. Government catalog under NSN 5306-01-318-9243. 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.