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91979355 — SCREW,MACHINE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

91979355: SCREW,MACHINE.

The SCREW,MACHINE is a the manufacturer industrial component. Key specifications include head_style: UNDERCUT PAN NO. 2, head_height: 1.90 MILLIMETERS MAXIMUM MM, head_diameter: 6.22 MILLIMETERS MAXIMUM MM, thread_length: 8.0 MILLIMETERS NOMINAL MM, screw_material: STEEL CORROSION RESISTING, fastener_length: 8.0 MILLIMETERS NOMINAL MM.

This part is cataloged in the U.S. Government catalog under NSN 5305-01-694-1550, 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
91979355
NSN: 5305-01-694-1550
FSC: 5305 — Screws
CAGE: F6481 — THALES SA (FRA)
SPECIFICATIONS
head_styleUNDERCUT PAN NO. 2
head_height1.90 MILLIMETERS MAXIMUM MM
head_diameter6.22 MILLIMETERS MAXIMUM MM
hole_quantity1
thread_length8.0 MILLIMETERS NOMINAL MM
screw_materialSTEEL CORROSION RESISTING
fastener_length8.0 MILLIMETERS NOMINAL MM
locking_featureUNDERCUT
special_featuresHOLE CLEARANCE 3.55 TO 3.65 MM IN UNDERCUT MM
thread_directionRIGHT-HAND
features_providedO RING
internal_drive_styleSLOT
NSN5305-01-694-1550
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 91979355 · 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: 1.90 MILLIMETERS MAXIMUM MM
•
SCREW SURFACE TREATMENT: OXIDE
•
FASTENER LENGTH: 8.0 MILLIMETERS NOMINAL MM
•
THREAD PITCH IN MILLIMETERS: 0.5
•
THREAD LENGTH: 8.0 MILLIMETERS NOMINAL MM
•
LOCKING FEATURE MATERIAL: RUBBER SYNTHETIC
•
NOMINAL THREAD DIAMETER: 3.0 MILLIMETERS MM
•
FEATURES PROVIDED: O RING
TECHNICAL CHARACTERISTICS
HEAD HEIGHT1.90 MILLIMETERS MAXIMUM MM
SCREW SURFACE TREATMENTOXIDE
FASTENER LENGTH8.0 MILLIMETERS NOMINAL MM
THREAD PITCH IN MILLIMETERS0.5
THREAD LENGTH8.0 MILLIMETERS NOMINAL MM
LOCKING FEATURE MATERIALRUBBER SYNTHETIC
NOMINAL THREAD DIAMETER3.0 MILLIMETERS MM
FEATURES PROVIDEDO RING
HEAD STYLEUNDERCUT PAN NO. 2
THREAD DIRECTIONRIGHT-HAND
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 91979355?
91979355 is a SCREW,MACHINE.
What is the NSN for 91979355?
91979355 is cataloged in the U.S. Government catalog under NSN 5305-01-694-1550. This indicates validated use in U.S. government and defense supply chains.
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