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Technical Data Sheet
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137890 — SCREW,CAP,HEXAGON HEAD

✓ Government record, cited
Hama · BOLT SCREW
PRODUCT OVERVIEW

137890: SCREW,CAP,HEXAGON HEAD.

- Perfect all-round protection for taking photos and making phone calls with a smartphone - Booklet case with an individually adjustable holder for different smartphones - Rotatable holder allows taking photos in the case - Magnetic fastener for quick access and trouble-free locking - Slip-in compartments for cards or the like - Two inner compartments e.g. for business cards - Large compartment over the entire length of the interior This part is cataloged in the U.S. Government catalog under NSN 5305-01-294-1715, indicating validated use in U.S.

government and defense logistics supply chains.

WHERE IT FITS
137890
NSN: 5305-01-294-1715
FSC: 5305 — Screws
CAGE: 15434 — CUMMINS INC. (USA)
SPECIFICATIONS
materialSTEEL OVERALL
head_styleHEXAGON
thread_class2A A
fastener_length4.500 INCHES NOMINAL IN
thread_directionRIGHT-HAND
nominal_thread_diameter0.438 INCHES IN
thread_quantity_per_inch14
thread_series_designatorUNIFIED NATIONAL COARSE (UNC)
NSN5305-01-294-1715
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 137890 · Hama ⚠ 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
•
FASTENER LENGTH: 4.500 INCHES NOMINAL IN
•
NOMINAL THREAD DIAMETER: 0.438 INCHES IN
•
HEAD STYLE: HEXAGON
•
THREAD DIRECTION: RIGHT-HAND
•
THREAD CLASS: 2A A
•
THREAD QUANTITY PER INCH: 14
•
MATERIAL: STEEL OVERALL
•
THREAD SERIES DESIGNATOR: UNIFIED NATIONAL COARSE (UNC)
TECHNICAL CHARACTERISTICS
FASTENER LENGTH4.500 INCHES NOMINAL IN
NOMINAL THREAD DIAMETER0.438 INCHES IN
HEAD STYLEHEXAGON
THREAD DIRECTIONRIGHT-HAND
THREAD CLASS2A A
THREAD QUANTITY PER INCH14
MATERIALSTEEL OVERALL
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
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
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 137890?
137890 is a SCREW,CAP,HEXAGON HEAD manufactured by Hama.
What is the NSN for 137890?
137890 is cataloged in the U.S. Government catalog under NSN 5305-01-294-1715. This indicates validated use in U.S. government and defense supply chains.
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