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91720A849 — SCREW,CAP,HEXAGON HEAD

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

91720A849: SCREW,CAP,HEXAGON HEAD.

The SCREW,CAP,HEXAGON HEAD is a the manufacturer industrial component. Key specifications include material: STEEL COMP 316 OVERALL, head_style: HEXAGON, head_height: 0.120 INCHES NOMINAL IN, thread_class: 2A A, thread_length: 1.250 INCHES NOMINAL IN, fastener_length: 1.370 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-612-7236, 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
91720A849
NSN: 5305-01-612-7236
FSC: 5305 — Screws
CAGE: 3A054 — MCMASTER-CARR SUPPLY CO (USA)
SPECIFICATIONS
materialSTEEL COMP 316 OVERALL
head_styleHEXAGON
head_height0.120 INCHES NOMINAL IN
thread_class2A A
thread_length1.250 INCHES NOMINAL IN
fastener_length1.370 INCHES NOMINAL IN
special_featuresHEAD OF SCREW IS SMOOTH
thread_directionRIGHT-HAND
features_providedFINISHED HEAD
width_between_flats0.3125 INCHES NOMINAL IN
end_item_identification5865-01-585-3857
nominal_thread_diameter0.190 INCHES IN
NSN5305-01-612-7236
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 91720A849 · 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: 0.120 INCHES NOMINAL IN
•
FASTENER LENGTH: 1.370 INCHES NOMINAL IN
•
THREAD LENGTH: 1.250 INCHES NOMINAL IN
•
NOMINAL THREAD DIAMETER: 0.190 INCHES IN
•
FEATURES PROVIDED: FINISHED HEAD
•
HEAD STYLE: HEXAGON
•
THREAD DIRECTION: RIGHT-HAND
•
WIDTH BETWEEN FLATS: 0.3125 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.120 INCHES NOMINAL IN
FASTENER LENGTH1.370 INCHES NOMINAL IN
THREAD LENGTH1.250 INCHES NOMINAL IN
NOMINAL THREAD DIAMETER0.190 INCHES IN
FEATURES PROVIDEDFINISHED HEAD
HEAD STYLEHEXAGON
THREAD DIRECTIONRIGHT-HAND
WIDTH BETWEEN FLATS0.3125 INCHES NOMINAL IN
SPECIAL FEATURESHEAD OF SCREW IS SMOOTH
PART NAME ASSIGNED BY CONTROLLING AGENCYHEX HEAD MACHINE SCREW
OTHER ITEMS IN FSC 5305 — Screws
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5305-00-000-0094 5305-00-000-1397 5305-00-000-2625 5305-00-000-3669 5305-00-000-3830 5305-00-000-3831
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 91720A849?
91720A849 is a SCREW,CAP,HEXAGON HEAD.
What is the NSN for 91720A849?
91720A849 is cataloged in the U.S. Government catalog under NSN 5305-01-612-7236. 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.