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91290A139 — SCREW,CAP,SOCKET HEAD

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

91290A139: SCREW,CAP,SOCKET HEAD.

The SCREW,CAP,SOCKET HEAD is a the manufacturer industrial component. Key specifications include material: STEEL PROPERTY CLASS 12.9 OVERALL, head_style: FLAT FILLISTER, head_height: 4.0 MILLIMETERS NOMINAL MM, thread_class: 5G, 6G G, head_diameter: 7.0 MILLIMETERS NOMINAL MM, thread_length: 6.0 MILLIMETERS NOMINAL MM. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-601-1672, 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
91290A139
NSN: 5305-01-601-1672
FSC: 5305 — Screws
CAGE: 39428 — MCMASTER-CARR SUPPLY CO (USA)
SPECIFICATIONS
materialSTEEL PROPERTY CLASS 12.9 OVERALL
head_styleFLAT FILLISTER
head_height4.0 MILLIMETERS NOMINAL MM
thread_class5G, 6G G
head_diameter7.0 MILLIMETERS NOMINAL MM
thread_length6.0 MILLIMETERS NOMINAL MM
fastener_length6.0 MILLIMETERS NOMINAL MM
hardness_rating39.0 ROCKWELL C MINIMUM OVERALL
thread_directionRIGHT-HAND
width_across_flats3.0 MILLIMETERS NOMINAL MM
internal_drive_styleHEXAGON
end_item_identificationSTRYKER
NSN5305-01-601-1672
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 91290A139 · 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
•
WIDTH ACROSS FLATS: 3.0 MILLIMETERS NOMINAL MM
•
HEAD HEIGHT: 4.0 MILLIMETERS NOMINAL MM
•
FASTENER LENGTH: 6.0 MILLIMETERS NOMINAL MM
•
THREAD PITCH IN MILLIMETERS: 0.7
•
THREAD LENGTH: 6.0 MILLIMETERS NOMINAL MM
•
HARDNESS RATING: 39.0 ROCKWELL C MINIMUM OVERALL
•
NOMINAL THREAD DIAMETER: 4.0 MILLIMETERS MM
•
HEAD STYLE: FLAT FILLISTER
TECHNICAL CHARACTERISTICS
WIDTH ACROSS FLATS3.0 MILLIMETERS NOMINAL MM
HEAD HEIGHT4.0 MILLIMETERS NOMINAL MM
FASTENER LENGTH6.0 MILLIMETERS NOMINAL MM
THREAD PITCH IN MILLIMETERS0.7
THREAD LENGTH6.0 MILLIMETERS NOMINAL MM
HARDNESS RATING39.0 ROCKWELL C MINIMUM OVERALL
NOMINAL THREAD DIAMETER4.0 MILLIMETERS MM
HEAD STYLEFLAT FILLISTER
THREAD DIRECTIONRIGHT-HAND
MINIMUM TENSILE STRENGTH174000 POUNDS PER SQUARE INCH LBS
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: Terminal item — stock exhausted; no further procurementNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 91290A139?
91290A139 is a SCREW,CAP,SOCKET HEAD.
What is the NSN for 91290A139?
91290A139 is cataloged in the U.S. Government catalog under NSN 5305-01-601-1672. This indicates validated use in U.S. government and defense supply chains.
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