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Technical Data Sheet
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19M7873 — BOLT,MACHINE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

19M7873: BOLT,MACHINE.

The BOLT,MACHINE is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_style: HEXAGON, thread_length: 110.0 MILLIMETERS NOMINAL MM, hardness_rating: 32.0 ROCKWELL C MINIMUM AND 39.0 ROCKWELL C MAXIMUM OVERALL, thread_direction: RIGHT-HAND, end_item_identification: 4320-01-524-4467. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-548-9402, 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
19M7873
NSN: 5305-01-548-9402
NIINs: 015489402, 015612809
FSC: 5305 — Screws
CAGE: 3Z7L8 — WESTERN DIESEL SERVICES, INC. DBA CK POWER (USA)
SPECIFICATIONS
materialSTEEL OVERALL
head_styleHEXAGON
thread_length110.0 MILLIMETERS NOMINAL MM
hardness_rating32.0 ROCKWELL C MINIMUM AND 39.0 ROCKWELL C MAXIMUM OVERALL
thread_directionRIGHT-HAND
end_item_identification4320-01-524-4467
nominal_thread_diameter8.0 MILLIMETERS MM
thread_series_designatorM
thread_pitch_in_millimeters1.2
NSN5305-01-548-9402
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 19M7873 · 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
•
THREAD PITCH IN MILLIMETERS: 1.2
•
NOMINAL THREAD DIAMETER: 8.0 MILLIMETERS MM
•
THREAD DIRECTION: RIGHT-HAND
•
THREAD SERIES DESIGNATOR: M
TECHNICAL CHARACTERISTICS
THREAD PITCH IN MILLIMETERS1.2
NOMINAL THREAD DIAMETER8.0 MILLIMETERS MM
THREAD DIRECTIONRIGHT-HAND
END ITEM IDENTIFICATION4320-01-524-4467
THREAD SERIES DESIGNATORM
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 19M7873?
19M7873 is a BOLT,MACHINE.
What is the NSN for 19M7873?
19M7873 is cataloged in the U.S. Government catalog under NSN 5305-01-548-9402. 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.