PartsTable
Technical Data Sheet
91777 ✓ Verified by PartsTable
· BOLT SCREW
WHAT YOU NEED TO KNOW
Grade/class stamped on head determines strength Metric and imperial threads look similar — measure pitch
Verify thread pitch — metric != imperial
PRODUCT OVERVIEW

The SCREW,MACHINE is a the manufacturer industrial component. Key specifications include wheel_style: TRUNCATED CONE, usage_design: DENTAL, wheel_diameter: 1.6 MILLIMETERS NOMINAL MM, overall_thickness: 8.0 MILLIMETERS NOMINAL MM, part_name_assigned_by_controlling_agency: WHEEL ABRASIVE DIAMOND DEN STYLE165 1.6MM DIA FLAT END TAPER MM. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-290-3319, 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
91777
NSN: 5305-00-290-3319
FSC: 5305
CAGE: 08645 — BRIGGS AND STRATTON CORP (USA)
SPECIFICATIONS
wheel_styleTRUNCATED CONE
usage_designDENTAL
wheel_diameter1.6 MILLIMETERS NOMINAL MM
special_featuresFLAT END TAPER; FRICTION GRIP SHANK 19 MM LONG; SUPERCOARSE; USED FOR INITIAL REDUCTION IN CROWN AND BRIDGE PROCEDURES MM
overall_thickness8.0 MILLIMETERS NOMINAL MM
part_name_assigned_by_controlling_agencyWHEEL ABRASIVE DIAMOND DEN STYLE165 1.6MM DIA FLAT END TAPER MM
NSN5305-00-290-3319
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 91777 · 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
SCREW MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-634 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-S-637 FED SPEC SINGLE MATERIAL RESPONSE OR 66 FED STD SINGLE MATERIAL RESPONSE
HEAD STYLE: FILLISTER
THREAD QUANTITY PER INCH: 32
NOMINAL THREAD DIAMETER: 0.164 INCHES IN
THREAD CLASS: 2A A
NONDEFINITIVE SPEC/STD DATA: 1 TYPE AND 4S STYLE
HEAD HEIGHT: 0.102 INCHES MINIMUM AND 0.113 INCHES MAXIMUM IN
INTERNAL DRIVE STYLE: SLOT
TECHNICAL CHARACTERISTICS (FLIS)
SCREW MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-634 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-S-637 FED SPEC SINGLE MATERIAL RESPONSE OR 66 FED STD SINGLE MATERIAL RESPONSE
HEAD STYLEFILLISTER
THREAD QUANTITY PER INCH32
NOMINAL THREAD DIAMETER0.164 INCHES IN
THREAD CLASS2A A
NONDEFINITIVE SPEC/STD DATA1 TYPE AND 4S STYLE
HEAD HEIGHT0.102 INCHES MINIMUM AND 0.113 INCHES MAXIMUM IN
INTERNAL DRIVE STYLESLOT
MINIMUM TENSILE STRENGTH60000 POUNDS PER SQUARE INCH LBS
HEAD DIAMETER0.250 INCHES MINIMUM AND 0.270 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 25
3081Interchangeable
interchangeable cross-reference
interchangeable
547A003081Interchangeable
interchangeable cross-reference
interchangeable
A1037Interchangeable
interchangeable cross-reference
interchangeable
40490Interchangeable
interchangeable cross-reference
interchangeable
100714Interchangeable
interchangeable cross-reference
interchangeable
17179Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 91777?
91777 is a SCREW,MACHINE.
What parts can replace 91777?
There are 25 known substitutes for 91777: 3081, 547A003081, A1037 and 22 more. Substitute compatibility should be verified for your specific system.
Is 91777 still available?
91777 is currently cancelled.
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