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91239A238 — SCREW,CAP,SOCKET HEAD

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

91239A238: SCREW,CAP,SOCKET HEAD.

The SCREW,CAP,SOCKET HEAD is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_style: BUTTON, head_height: 2.75 MILLIMETERS NOMINAL MM, thread_class: 5G6G, head_diameter: 9.5 MILLIMETERS NOMINAL MM, thread_length: 22.0 INCHES MINIMUM AND 35.0 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-615-8338, 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
91239A238
NSN: 5305-01-615-8338
FSC: 5305 — Screws
CAGE: 39428 — MCMASTER-CARR SUPPLY CO (USA)
SPECIFICATIONS
materialSTEEL OVERALL
head_styleBUTTON
head_height2.75 MILLIMETERS NOMINAL MM
thread_class5G6G
head_diameter9.5 MILLIMETERS NOMINAL MM
thread_length22.0 INCHES MINIMUM AND 35.0 INCHES MAXIMUM IN
fastener_length35.0 INCHES NOMINAL IN
hardness_rating32.0 ROCKWELL C NOMINAL OVERALL
special_featuresCLASS 10.9 BLACK FINISH STEEL.
thread_directionRIGHT-HAND
width_across_flats3.0 MILLIMETERS NOMINAL MM
internal_drive_styleHEXAGON
NSN5305-01-615-8338
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 91239A238 · 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: 2.75 MILLIMETERS NOMINAL MM
•
FASTENER LENGTH: 35.0 INCHES NOMINAL IN
•
THREAD PITCH IN MILLIMETERS: 0.8
•
THREAD LENGTH: 22.0 INCHES MINIMUM AND 35.0 INCHES MAXIMUM IN
•
HARDNESS RATING: 32.0 ROCKWELL C NOMINAL OVERALL
•
NOMINAL THREAD DIAMETER: 5.0 MILLIMETERS MM
•
HEAD STYLE: BUTTON
TECHNICAL CHARACTERISTICS
WIDTH ACROSS FLATS3.0 MILLIMETERS NOMINAL MM
HEAD HEIGHT2.75 MILLIMETERS NOMINAL MM
FASTENER LENGTH35.0 INCHES NOMINAL IN
THREAD PITCH IN MILLIMETERS0.8
THREAD LENGTH22.0 INCHES MINIMUM AND 35.0 INCHES MAXIMUM IN
HARDNESS RATING32.0 ROCKWELL C NOMINAL OVERALL
NOMINAL THREAD DIAMETER5.0 MILLIMETERS MM
HEAD STYLEBUTTON
THREAD DIRECTIONRIGHT-HAND
COLORBLACK OVERALL
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 91239A238?
91239A238 is a SCREW,CAP,SOCKET HEAD.
What is the NSN for 91239A238?
91239A238 is cataloged in the U.S. Government catalog under NSN 5305-01-615-8338. This indicates validated use in U.S. government and defense supply chains.
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