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9628M21P15 — BOLT,CLOSE TOLERANCE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

9628M21P15: BOLT,CLOSE TOLERANCE.

The BOLT,CLOSE TOLERANCE is a the manufacturer industrial component. Key specifications include material: NICKEL OVERALL, head_style: DOUBLE HEXAGON W/HOLE, grip_length: 0.445 INCHES MINIMUM AND 0.465 INCHES MAXIMUM IN, head_height: 0.412 INCHES MINIMUM AND 0.432 INCHES MAXIMUM IN, thread_class: 3A A, grip_diameter: 0.3905 INCHES MINIMUM AND 0.3910 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5306-00-448-0337, 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
9628M21P15
NSN: 5306-00-448-0337
FSC: 5306 — Bolts
CAGE: 07482 — GENERAL ELECTRIC COMPANY (USA)
SPECIFICATIONS
materialNICKEL OVERALL
head_styleDOUBLE HEXAGON W/HOLE
grip_length0.445 INCHES MINIMUM AND 0.465 INCHES MAXIMUM IN
head_height0.412 INCHES MINIMUM AND 0.432 INCHES MAXIMUM IN
thread_class3A A
grip_diameter0.3905 INCHES MINIMUM AND 0.3910 INCHES MAXIMUM IN
thread_length0.772 INCHES MINIMUM AND 0.825 INCHES MAXIMUM IN
surface_finish125.0 MICROINCHES TOP OF HEAD
fastener_length1.250 INCHES MINIMUM AND 1.270 INCHES MAXIMUM IN
thread_directionRIGHT-HAND
width_between_flats0.430 INCHES MINIMUM AND 0.439 INCHES MAXIMUM IN
nominal_thread_diameter0.375 INCHES IN
NSN5306-00-448-0337
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 9628M21P15 · 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: 125.0 MICROINCHES TOP OF HEAD
•
EXTENDED WASHER THICKNESS: 0.090 INCHES MINIMUM AND 0.100 INCHES MAXIMUM IN
•
HEAD HEIGHT: 0.412 INCHES MINIMUM AND 0.432 INCHES MAXIMUM IN
•
FASTENER LENGTH: 1.250 INCHES MINIMUM AND 1.270 INCHES MAXIMUM IN
•
EXTENDED WASHER DIAMETER: 0.552 INCHES MINIMUM AND 0.572 INCHES MAXIMUM IN
•
THREAD LENGTH: 0.772 INCHES MINIMUM AND 0.825 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
SURFACE FINISH125.0 MICROINCHES TOP OF HEAD
SURFACE FINISH32.0 MICROINCHES GRIP
SURFACE FINISH63.0 MICROINCHES BEARING SURFACE OF HEAD
EXTENDED WASHER THICKNESS0.090 INCHES MINIMUM AND 0.100 INCHES MAXIMUM IN
HEAD HEIGHT0.412 INCHES MINIMUM AND 0.432 INCHES MAXIMUM IN
FASTENER LENGTH1.250 INCHES MINIMUM AND 1.270 INCHES MAXIMUM IN
EXTENDED WASHER DIAMETER0.552 INCHES MINIMUM AND 0.572 INCHES MAXIMUM IN
THREAD LENGTH0.772 INCHES MINIMUM AND 0.825 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATIONC50T82A FSCM 07482 MFR REF SINGLE MATERIAL RESPONSE OVERALL
NOMINAL THREAD DIAMETER0.375 INCHES 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 1
5306PL1495408Reference 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 9628M21P15?
9628M21P15 is a BOLT,CLOSE TOLERANCE.
What parts can replace 9628M21P15?
There is 1 known substitute for 9628M21P15: 5306PL1495408. Substitute compatibility should be verified for your specific system.
What is the NSN for 9628M21P15?
9628M21P15 is cataloged in the U.S. Government catalog under NSN 5306-00-448-0337. 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.