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10165371 — SCREW,CAP,HEXAGON HEAD

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

10165371: SCREW,CAP,HEXAGON HEAD.

The SCREW,CAP,HEXAGON HEAD is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_style: CROWNED HEXAGON, head_height: 0.280 INCHES MINIMUM AND 0.340 INCHES MAXIMUM IN, thread_class: 3A A, thread_length: 1.090 INCHES MINIMUM AND 1.150 INCHES MAXIMUM IN, surface_finish: 63.0 MICROINCHES TOP OF HEAD. This part is cataloged in the U.S.

Government catalog under NSN 5305-00-409-0877, 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
10165371
NSN: 5305-00-409-0877
FSC: 5305 — Screws
CAGE: 18876 — US ARMY AVIATION AND MISSILE COMMAND (USA)
SPECIFICATIONS
materialSTEEL OVERALL
head_styleCROWNED HEXAGON
head_height0.280 INCHES MINIMUM AND 0.340 INCHES MAXIMUM IN
thread_class3A A
thread_length1.090 INCHES MINIMUM AND 1.150 INCHES MAXIMUM IN
surface_finish63.0 MICROINCHES TOP OF HEAD
fastener_length1.220 INCHES MINIMUM AND 1.280 INCHES MAXIMUM IN
hardness_rating35.0 ROCKWELL C MINIMUM AND 39.0 ROCKWELL C MAXIMUM OVERALL
thread_directionRIGHT-HAND
surface_treatmentCHROMIUM GRIP
width_between_flats0.547 INCHES MINIMUM AND 0.562 INCHES MAXIMUM IN
nominal_thread_diameter0.375 INCHES IN
NSN5305-00-409-0877
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 10165371 · 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
•
SURFACE FINISH: 63.0 MICROINCHES TOP OF HEAD
•
HEAD HEIGHT: 0.280 INCHES MINIMUM AND 0.340 INCHES MAXIMUM IN
•
FASTENER LENGTH: 1.220 INCHES MINIMUM AND 1.280 INCHES MAXIMUM IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416,TYPE 2,CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE THREADS
•
THREAD LENGTH: 1.090 INCHES MINIMUM AND 1.150 INCHES MAXIMUM IN
•
HARDNESS RATING: 35.0 ROCKWELL C MINIMUM AND 39.0 ROCKWELL C MAXIMUM OVERALL
TECHNICAL CHARACTERISTICS
SURFACE FINISH63.0 MICROINCHES TOP OF HEAD
HEAD HEIGHT0.280 INCHES MINIMUM AND 0.340 INCHES MAXIMUM IN
FASTENER LENGTH1.220 INCHES MINIMUM AND 1.280 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TYPE 2,CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE THREADS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-C-320,CLASS 2,TYPE 2 FED SPEC SINGLE TREATMENT RESPONSE GRIP
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-C-320,CLASS 2,TYPE 2 FED SPEC SINGLE TREATMENT RESPONSE HEAD
THREAD LENGTH1.090 INCHES MINIMUM AND 1.150 INCHES MAXIMUM IN
HARDNESS RATING35.0 ROCKWELL C MINIMUM AND 39.0 ROCKWELL C MAXIMUM OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-7393,COMP 1 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
NOMINAL THREAD DIAMETER0.375 INCHES IN
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 10165371?
10165371 is a SCREW,CAP,HEXAGON HEAD.
What is the NSN for 10165371?
10165371 is cataloged in the U.S. Government catalog under NSN 5305-00-409-0877. 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.