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12259791 — SCREW,CAP,HEXAGON HEAD

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

12259791: SCREW,CAP,HEXAGON HEAD.

The SCREW,CAP,HEXAGON HEAD is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_style: HEXAGON, head_height: 0.563 INCHES NOMINAL IN, thread_class: 2A A, thread_length: 1.840 INCHES NOMINAL IN, fastener_length: 6.200 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-172-7739, 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
12259791
NSN: 5305-01-172-7739
FSC: 5305 — Screws
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
materialSTEEL OVERALL
head_styleHEXAGON
head_height0.563 INCHES NOMINAL IN
thread_class2A A
thread_length1.840 INCHES NOMINAL IN
fastener_length6.200 INCHES NOMINAL IN
thread_directionRIGHT-HAND
width_between_flats1.3125 INCHES NOMINAL IN
nominal_thread_diameter0.875 INCHES IN
thread_quantity_per_inch14
thread_series_designatorUNF
material_document_and_classificationFF-S-85 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN5305-01-172-7739
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 12259791 · 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: 0.563 INCHES NOMINAL IN
•
FASTENER LENGTH: 6.200 INCHES NOMINAL IN
•
THREAD LENGTH: 1.840 INCHES NOMINAL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: FF-S-85 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
NOMINAL THREAD DIAMETER: 0.875 INCHES IN
•
HEAD STYLE: HEXAGON
•
THREAD DIRECTION: RIGHT-HAND
•
WIDTH BETWEEN FLATS: 1.3125 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.563 INCHES NOMINAL IN
FASTENER LENGTH6.200 INCHES NOMINAL IN
THREAD LENGTH1.840 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONFF-S-85 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
NOMINAL THREAD DIAMETER0.875 INCHES IN
HEAD STYLEHEXAGON
THREAD DIRECTIONRIGHT-HAND
WIDTH BETWEEN FLATS1.3125 INCHES NOMINAL IN
THREAD CLASS2A A
THREAD QUANTITY PER INCH14
OTHER ITEMS IN FSC 5305 — Screws
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5305-00-001-5016 5305-00-001-9160 5305-00-001-9629 5305-00-001-9742 5305-00-001-9768 5305-00-003-4306 5305-00-003-6694 5305-00-003-6753
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 12259791?
12259791 is a SCREW,CAP,HEXAGON HEAD.
What is the NSN for 12259791?
12259791 is cataloged in the U.S. Government catalog under NSN 5305-01-172-7739. 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.