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2179615 — BOLT,MACHINE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

2179615: BOLT,MACHINE.

The BOLT,MACHINE is a the manufacturer industrial component. Key specifications include MATERIAL: STEEL CORROSION RESISTING OVERALL, HOLE TYPE: DRILLEDDRILLED, HEAD STYLE: HEXAGONHEXAGON, GRIP LENGTH: 0.099 INCHES MAXIMUM0.099 INCHES MAXIMUM IN, HEAD HEIGHT: 0.146 INCHES MINIMUM AND 0.146 INCHES MINIMUM AND 0.166 INCHES MAXIMUM0.166 INCHES MAXIMUM IN, THREAD CLASS: 3A3A. This part is cataloged in the U.S.

Government catalog under NSN 5306-01-133-4453, 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
2179615
NSN: 5306-01-133-4453
FSC: 5306 — Bolts
CAGE: 92215 — HOWMET GLOBAL FASTENING SYSTEMS INC DIV TORRANCE OPERATIONS (USA)
SPECIFICATIONS
MATERIALSTEEL CORROSION RESISTING OVERALL
HOLE TYPEDRILLEDDRILLED
HEAD STYLEHEXAGONHEXAGON
GRIP LENGTH0.099 INCHES MAXIMUM0.099 INCHES MAXIMUM IN
HEAD HEIGHT0.146 INCHES MINIMUM AND 0.146 INCHES MINIMUM AND 0.166 INCHES MAXIMUM0.166 INCHES MAXIMUM IN
THREAD CLASS3A3A
HOLE DIAMETER0.040 INCHES MINIMUM AND 0.040 INCHES MINIMUM AND 0.060 INCHES MAXIMUM0.060 INCHES MAXIMUM IN
HOLE QUANTITY33
THREAD LENGTH0.329 INCHES MINIMUM AND 0.329 INCHES MINIMUM AND 0.349 INCHES MAXIMUM0.349 INCHES MAXIMUM IN
SURFACE FINISH32.0 MICROINCHES BEARING SURFACE OF HEAD32.0 MICROINCHES BEARING SURFACE OF HEAD
FASTENER LENGTH0.428 INCHES MINIMUM AND 0.428 INCHES MINIMUM AND 0.448 INCHES MAXIMUM0.448 INCHES MAXIMUM IN
THREAD DIRECTIONRIGHT-HANDRIGHT-HAND
NSN5306-01-133-4453
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 2179615 · 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: 32.0 MICROINCHES BEARING SURFACE OF HEAD32.0 MICROINCHES BEARING SURFACE OF HEAD
•
HEAD HEIGHT: 0.146 INCHES MINIMUM AND 0.146 INCHES MINIMUM AND 0.166 INCHES MAXIMUM0.166 INCHES MAXIMUM IN
•
FASTENER LENGTH: 0.428 INCHES MINIMUM AND 0.428 INCHES MINIMUM AND 0.448 INCHES MAXIMUM0.448 INCHES MAXIMUM IN
•
THREAD LENGTH: 0.329 INCHES MINIMUM AND 0.329 INCHES MINIMUM AND 0.349 INCHES MAXIMUM0.349 INCHES MAXIMUM IN
•
HOLE CONFIGURATION STYLE: HEXAGON FLATSHEXAGON FLATS
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS 7477 ASSN STD SINGLE MATERIAL RESPONSE OVERALLAMS 7477 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
NOMINAL THREAD DIAMETER: 0.250 INCHES0.250 INCHES IN
•
FEATURES PROVIDED: FINISHED HEADFINISHED HEAD
TECHNICAL CHARACTERISTICS
SURFACE FINISH32.0 MICROINCHES BEARING SURFACE OF HEAD32.0 MICROINCHES BEARING SURFACE OF HEAD
HEAD HEIGHT0.146 INCHES MINIMUM AND 0.146 INCHES MINIMUM AND 0.166 INCHES MAXIMUM0.166 INCHES MAXIMUM IN
FASTENER LENGTH0.428 INCHES MINIMUM AND 0.428 INCHES MINIMUM AND 0.448 INCHES MAXIMUM0.448 INCHES MAXIMUM IN
THREAD LENGTH0.329 INCHES MINIMUM AND 0.329 INCHES MINIMUM AND 0.349 INCHES MAXIMUM0.349 INCHES MAXIMUM IN
HOLE CONFIGURATION STYLEHEXAGON FLATSHEXAGON FLATS
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 7477 ASSN STD SINGLE MATERIAL RESPONSE OVERALLAMS 7477 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NOMINAL THREAD DIAMETER0.250 INCHES0.250 INCHES IN
FEATURES PROVIDEDFINISHED HEADFINISHED HEAD
HEAD STYLEHEXAGONHEXAGON
THREAD DIRECTIONRIGHT-HANDRIGHT-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

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 2179615?
2179615 is a BOLT,MACHINE.
What is the NSN for 2179615?
2179615 is cataloged in the U.S. Government catalog under NSN 5306-01-133-4453. 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.