91790A197 — SCREW,MACHINE

✓ Government record, cited

— · BOLT SCREW

PRODUCT OVERVIEW

91790A197: SCREW,MACHINE.

The SCREW,MACHINE is a the manufacturer industrial component. Key specifications include head_style: OVAL COUNTERSUNK, thread_class: 2A A, head_diameter: 0.292 INCHES MINIMUM AND 0.332 INCHES MAXIMUM IN, thread_length: 0.588 INCHES MINIMUM AND 0.650 INCHES MAXIMUM IN, fastener_length: 0.750 INCHES NOMINAL IN, thread_direction: RIGHT-HAND. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-341-5113, 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

91790A197

NSN: 5305-01-341-5113
FSC: 5305 — Screws
CAGE: 39428 — MCMASTER-CARR SUPPLY CO (USA)

SPECIFICATIONS

head_style	OVAL COUNTERSUNK
thread_class	2A A
head_diameter	0.292 INCHES MINIMUM AND 0.332 INCHES MAXIMUM IN
thread_length	0.588 INCHES MINIMUM AND 0.650 INCHES MAXIMUM IN
screw_material	STEEL COMP 302 OR STEEL COMP 302B OR STEEL COMP 303 OR STEEL COMP 303 PLUS X OR STEEL COMP 303SE OR STEEL COMP 303CU OR STEEL COMP 303MA OR STEEL COMP 304 OR STEEL COMP 304L
fastener_length	0.750 INCHES NOMINAL IN
thread_direction	RIGHT-HAND
countersink_angle	80.0 DEGREES MINIMUM AND 82.0 DEGREES MAXIMUM
internal_drive_style	SLOT
nominal_thread_diameter	0.164 INCHES IN
screw_surface_treatment	CHROMATE ZINC
thread_quantity_per_inch	32
NSN	5305-01-341-5113

COMPONENT DIAGRAM

KEY FEATURES

•

SCREW SURFACE TREATMENT: CHROMATE ZINC

•

FASTENER LENGTH: 0.750 INCHES NOMINAL IN

•

THREAD LENGTH: 0.588 INCHES MINIMUM AND 0.650 INCHES MAXIMUM IN

•

NOMINAL THREAD DIAMETER: 0.164 INCHES IN

•

HEAD STYLE: OVAL COUNTERSUNK

•

THREAD DIRECTION: RIGHT-HAND

•

SCREW MATERIAL: STEEL COMP 302 OR STEEL COMP 302B OR STEEL COMP 303 OR STEEL COMP 303 PLUS X OR STEEL COMP 303SE OR STEEL COMP 303CU OR STEEL COMP 303MA OR STEEL COMP 304 OR STEEL COMP 304L

•

INTERNAL DRIVE STYLE: SLOT

TECHNICAL CHARACTERISTICS

SCREW SURFACE TREATMENT	CHROMATE ZINC
FASTENER LENGTH	0.750 INCHES NOMINAL IN
THREAD LENGTH	0.588 INCHES MINIMUM AND 0.650 INCHES MAXIMUM IN
NOMINAL THREAD DIAMETER	0.164 INCHES IN
HEAD STYLE	OVAL COUNTERSUNK
THREAD DIRECTION	RIGHT-HAND
SCREW MATERIAL	STEEL COMP 302 OR STEEL COMP 302B OR STEEL COMP 303 OR STEEL COMP 303 PLUS X OR STEEL COMP 303SE OR STEEL COMP 303CU OR STEEL COMP 303MA OR STEEL COMP 304 OR STEEL COMP 304L
INTERNAL DRIVE STYLE	SLOT
COUNTERSINK ANGLE	80.0 DEGREES MINIMUM AND 82.0 DEGREES MAXIMUM
THREAD CLASS	2A A

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 91790A197?

91790A197 is a SCREW,MACHINE.

What is the NSN for 91790A197?

91790A197 is cataloged in the U.S. Government catalog under NSN 5305-01-341-5113. This indicates validated use in U.S. government and defense supply chains.

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