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9157789-19 — SCREW,MACHINE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

9157789-19: SCREW,MACHINE.

The SCREW,MACHINE is a the manufacturer industrial component. Key specifications include head_style: PAN NO. 2, head_height: 0.051 INCHES MINIMUM AND 0.060 INCHES MAXIMUM IN, thread_class: 2A A, head_diameter: 0.180 INCHES MINIMUM AND 0.193 INCHES MAXIMUM IN, thread_length: 0.750 INCHES NOMINAL IN, fastener_length: 0.729 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN.

This part is cataloged in the U.S. Government catalog under NSN 5305-01-474-1046, 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
9157789-19
NSN: 5305-01-474-1046
FSC: 5305 — Screws
CAGE: 18876 — US ARMY AVIATION AND MISSILE COMMAND (USA)
SPECIFICATIONS
head_stylePAN NO. 2
head_height0.051 INCHES MINIMUM AND 0.060 INCHES MAXIMUM IN
thread_class2A A
head_diameter0.180 INCHES MINIMUM AND 0.193 INCHES MAXIMUM IN
thread_length0.750 INCHES NOMINAL IN
screw_materialSTEEL COMP 302 OR STEEL COMP 303SE OR STEEL COMP 304 OR STEEL COMP 316 OR STEEL COMP 303 OR STEEL COMP 304L OR STEEL COMP 305 OR STEEL COMP 316L
fastener_length0.729 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN
thread_directionRIGHT-HAND
internal_drive_styleSLOT
nominal_thread_diameter0.099 INCHES IN
screw_surface_treatmentPASSIVATE
thread_quantity_per_inch56
NSN5305-01-474-1046
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 9157789-19 · 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: 0.051 INCHES MINIMUM AND 0.060 INCHES MAXIMUM IN
•
SCREW SURFACE TREATMENT: PASSIVATE
•
FASTENER LENGTH: 0.729 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN
•
SCREW MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-763, COND A OR B FED SPEC SINGLE MATERIAL RESPONSE
•
THREAD LENGTH: 0.750 INCHES NOMINAL IN
•
NOMINAL THREAD DIAMETER: 0.099 INCHES IN
•
HEAD STYLE: PAN NO. 2
•
THREAD DIRECTION: RIGHT-HAND
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.051 INCHES MINIMUM AND 0.060 INCHES MAXIMUM IN
SCREW SURFACE TREATMENTPASSIVATE
FASTENER LENGTH0.729 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN
SCREW MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-763, COND A OR B FED SPEC SINGLE MATERIAL RESPONSE
THREAD LENGTH0.750 INCHES NOMINAL IN
NOMINAL THREAD DIAMETER0.099 INCHES IN
HEAD STYLEPAN NO. 2
THREAD DIRECTIONRIGHT-HAND
SCREW MATERIALSTEEL COMP 302 OR STEEL COMP 303SE OR STEEL COMP 304 OR STEEL COMP 316 OR STEEL COMP 303 OR STEEL COMP 304L OR STEEL COMP 305 OR STEEL COMP 316L
INTERNAL DRIVE STYLESLOT
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: Terminal item — stock exhausted; no further procurementNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 9157789-19?
9157789-19 is a SCREW,MACHINE.
What is the NSN for 9157789-19?
9157789-19 is cataloged in the U.S. Government catalog under NSN 5305-01-474-1046. 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.