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TAS8691-10R10 — SCREW,MACHINE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

TAS8691-10R10: SCREW,MACHINE.

The SCREW,MACHINE is a the manufacturer industrial component. Key specifications include head_style: FLAT COUNTERSUNK, thread_class: 3A A, head_diameter: 0.070 INCHES MINIMUM AND 0.080 INCHES MAXIMUM IN, thread_length: 0.422 INCHES MINIMUM AND 0.499 INCHES MAXIMUM IN, screw_material: STEEL COMP 8630 OR STEEL COMP 4037, fastener_length: 0.641 INCHES MINIMUM AND 0.687 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5305-00-159-5481, 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
TAS8691-10R10
NSN: 5305-00-159-5481
FSC: 5305 — Screws
CAGE: 05395 — L3HARRIS TECHNOLOGIES INTEGRATED SYSTEMS L.P. DBA L3HARRIS TECHNOLOGIES (USA)
SPECIFICATIONS
head_styleFLAT COUNTERSUNK
thread_class3A A
head_diameter0.070 INCHES MINIMUM AND 0.080 INCHES MAXIMUM IN
thread_length0.422 INCHES MINIMUM AND 0.499 INCHES MAXIMUM IN
screw_materialSTEEL COMP 8630 OR STEEL COMP 4037
fastener_length0.641 INCHES MINIMUM AND 0.687 INCHES MAXIMUM IN
hardness_rating26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM
thread_directionRIGHT-HAND
countersink_angle99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
internal_drive_styleCROSS RECESS TYPE 1
nominal_thread_diameter0.190 INCHES IN
screw_surface_treatmentCADMIUM AND CHROMATE
NSN5305-00-159-5481
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: TAS8691-10R10 · 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 SURFACE TREATMENT: CADMIUM AND CHROMATE
•
FASTENER LENGTH: 0.641 INCHES MINIMUM AND 0.687 INCHES MAXIMUM IN
•
SCREW MATERIAL DOCUMENT AND CLASSIFICATION: MIL-S-6050 MIL SPEC 1ST MATERIAL RESPONSE OR AMS 6300 ASSN STD 2ND MATERIAL RESPONSE
•
THREAD LENGTH: 0.422 INCHES MINIMUM AND 0.499 INCHES MAXIMUM IN
•
HARDNESS RATING: 26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM
•
NOMINAL THREAD DIAMETER: 0.190 INCHES IN
•
HEAD STYLE: FLAT COUNTERSUNK
•
THREAD DIRECTION: RIGHT-HAND
TECHNICAL CHARACTERISTICS
SCREW SURFACE TREATMENTCADMIUM AND CHROMATE
FASTENER LENGTH0.641 INCHES MINIMUM AND 0.687 INCHES MAXIMUM IN
SCREW MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-6050 MIL SPEC 1ST MATERIAL RESPONSE OR AMS 6300 ASSN STD 2ND MATERIAL RESPONSE
THREAD LENGTH0.422 INCHES MINIMUM AND 0.499 INCHES MAXIMUM IN
HARDNESS RATING26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM
NOMINAL THREAD DIAMETER0.190 INCHES IN
HEAD STYLEFLAT COUNTERSUNK
THREAD DIRECTIONRIGHT-HAND
SCREW MATERIALSTEEL COMP 8630 OR STEEL COMP 4037
MINIMUM TENSILE STRENGTH125000 POUNDS PER SQUARE INCH LBS
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: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is TAS8691-10R10?
TAS8691-10R10 is a SCREW,MACHINE.
What is the NSN for TAS8691-10R10?
TAS8691-10R10 is cataloged in the U.S. Government catalog under NSN 5305-00-159-5481. 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.