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4088T01 — BOLT,KEY HEAD

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

4088T01: BOLT,KEY HEAD.

The BOLT,KEY HEAD is a the manufacturer industrial component. Key specifications include material: IRON ALLOY 660 OVERALL, head_style: FLAT KEYED, key_length: 0.104 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN, head_height: 0.156 INCHES MINIMUM AND 0.164 INCHES MAXIMUM IN, thread_class: 3A A, head_diameter: 0.595 INCHES MINIMUM AND 0.605 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5306-01-296-0624, 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
4088T01
NSN: 5306-01-296-0624
FSC: 5306 — Bolts
CAGE: 56878 — SPS TECHNOLOGIES, LLC DBA PB FASTENERS (USA)
SPECIFICATIONS
materialIRON ALLOY 660 OVERALL
head_styleFLAT KEYED
key_length0.104 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
head_height0.156 INCHES MINIMUM AND 0.164 INCHES MAXIMUM IN
thread_class3A A
head_diameter0.595 INCHES MINIMUM AND 0.605 INCHES MAXIMUM IN
thread_length0.586 INCHES MINIMUM AND 0.596 INCHES MAXIMUM IN
fastener_length0.730 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN
thread_directionRIGHT-HAND
end_item_identificationT700 ENGINE
nominal_thread_diameter0.190 INCHES IN
thread_quantity_per_inch32
NSN5306-01-296-0624
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 4088T01 · 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: 0.156 INCHES MINIMUM AND 0.164 INCHES MAXIMUM IN
•
FASTENER LENGTH: 0.730 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN
•
THREAD LENGTH: 0.586 INCHES MINIMUM AND 0.596 INCHES MAXIMUM IN
•
NOMINAL THREAD DIAMETER: 0.190 INCHES IN
•
HEAD STYLE: FLAT KEYED
•
THREAD DIRECTION: RIGHT-HAND
•
KEY LENGTH: 0.104 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
•
THREAD CLASS: 3A A
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.156 INCHES MINIMUM AND 0.164 INCHES MAXIMUM IN
FASTENER LENGTH0.730 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN
THREAD LENGTH0.586 INCHES MINIMUM AND 0.596 INCHES MAXIMUM IN
NOMINAL THREAD DIAMETER0.190 INCHES IN
HEAD STYLEFLAT KEYED
THREAD DIRECTIONRIGHT-HAND
KEY LENGTH0.104 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
THREAD CLASS3A A
END ITEM IDENTIFICATIONT700 ENGINE
THREAD QUANTITY PER INCH32
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
4088T01G01Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 4088T01?
4088T01 is a BOLT,KEY HEAD.
What parts can replace 4088T01?
There is 1 known substitute for 4088T01: 4088T01G01. Substitute compatibility should be verified for your specific system.
What is the NSN for 4088T01?
4088T01 is cataloged in the U.S. Government catalog under NSN 5306-01-296-0624. 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.