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37675621-001 — BOLT,MACHINE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

37675621-001: BOLT,MACHINE.

The BOLT,MACHINE is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING OVERALL, head_style: HEXAGON, head_height: 0.220 INCHES NOMINAL IN, thread_class: 2A A, thread_length: 2.870 INCHES MINIMUM IN, fastener_length: 3.000 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5306-01-081-0472, 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
37675621-001
NSN: 5306-01-081-0472
FSC: 5306 — Bolts
CAGE: 08783 — RAYTHEON CO (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING OVERALL
head_styleHEXAGON
head_height0.220 INCHES NOMINAL IN
thread_class2A A
thread_length2.870 INCHES MINIMUM IN
fastener_length3.000 INCHES NOMINAL IN
thread_directionRIGHT-HAND
surface_treatmentZINC OR CADMIUM OVERALL
width_between_flats0.560 INCHES NOMINAL IN
nominal_thread_diameter0.375 INCHES IN
thread_quantity_per_inch16
thread_series_designatorUNIFIED NATIONAL COARSE (UNC)
NSN5306-01-081-0472
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 37675621-001 · 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: 0.220 INCHES NOMINAL IN
•
FASTENER LENGTH: 3.000 INCHES NOMINAL IN
•
THREAD LENGTH: 2.870 INCHES MINIMUM IN
•
NOMINAL THREAD DIAMETER: 0.375 INCHES IN
•
HEAD STYLE: HEXAGON
•
THREAD DIRECTION: RIGHT-HAND
•
WIDTH BETWEEN FLATS: 0.560 INCHES NOMINAL IN
•
SURFACE TREATMENT: ZINC OR CADMIUM OVERALL
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.220 INCHES NOMINAL IN
FASTENER LENGTH3.000 INCHES NOMINAL IN
THREAD LENGTH2.870 INCHES MINIMUM IN
NOMINAL THREAD DIAMETER0.375 INCHES IN
HEAD STYLEHEXAGON
THREAD DIRECTIONRIGHT-HAND
WIDTH BETWEEN FLATS0.560 INCHES NOMINAL IN
SURFACE TREATMENTZINC OR CADMIUM OVERALL
THREAD CLASS2A A
THREAD QUANTITY PER INCH16
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

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 37675621-001?
37675621-001 is a BOLT,MACHINE.
What is the NSN for 37675621-001?
37675621-001 is cataloged in the U.S. Government catalog under NSN 5306-01-081-0472. 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.