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7801-1040 — SCREW,EXTERNALLY RELIEVED BODY

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

7801-1040: SCREW,EXTERNALLY RELIEVED BODY.

The SCREW,EXTERNALLY RELIEVED BODY is a the manufacturer industrial component. Key specifications include material: STEEL COMP 303 OVERALL, head_height: 2.0 MILLIMETERS NOMINAL MM, head_diameter: 6.3 MILLIMETERS NOMINAL MM, thread_length: 3.3 MILLIMETERS NOMINAL MM, fastener_length: 8.3 MILLIMETERS NOMINAL MM, thread_direction: RIGHT-HAND. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-367-2716, 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
7801-1040
NSN: 5305-01-367-2716
FSC: 5305 — Screws
CAGE: U3755 — MARCONI AVIONICS LTD (GBR)
SPECIFICATIONS
materialSTEEL COMP 303 OVERALL
head_height2.0 MILLIMETERS NOMINAL MM
head_diameter6.3 MILLIMETERS NOMINAL MM
thread_length3.3 MILLIMETERS NOMINAL MM
fastener_length8.3 MILLIMETERS NOMINAL MM
thread_directionRIGHT-HAND
surface_treatmentPASSIVATE OVERALL
internal_drive_styleSLOT
nominal_thread_diameter4.0 MILLIMETERS MM
thread_series_designatorISO M
thread_pitch_in_millimeters0.7
external_thread_tolerance_class6G G
NSN5305-01-367-2716
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 7801-1040 · 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: 2.0 MILLIMETERS NOMINAL MM
•
EXTERNAL THREAD TOLERANCE CLASS: 6G G
•
FASTENER LENGTH: 8.3 MILLIMETERS NOMINAL MM
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-35 TYI FED SPEC SINGLE TREATMENT RESPONSE OVERALL
•
THREAD PITCH IN MILLIMETERS: 0.7
•
THREAD LENGTH: 3.3 MILLIMETERS NOMINAL MM
•
NOMINAL THREAD DIAMETER: 4.0 MILLIMETERS MM
•
THREAD DIRECTION: RIGHT-HAND
TECHNICAL CHARACTERISTICS
HEAD HEIGHT2.0 MILLIMETERS NOMINAL MM
EXTERNAL THREAD TOLERANCE CLASS6G G
FASTENER LENGTH8.3 MILLIMETERS NOMINAL MM
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 TYI FED SPEC SINGLE TREATMENT RESPONSE OVERALL
THREAD PITCH IN MILLIMETERS0.7
THREAD LENGTH3.3 MILLIMETERS NOMINAL MM
NOMINAL THREAD DIAMETER4.0 MILLIMETERS MM
THREAD DIRECTIONRIGHT-HAND
SURFACE TREATMENTPASSIVATE OVERALL
INTERNAL DRIVE STYLESLOT
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 7801-1040?
7801-1040 is a SCREW,EXTERNALLY RELIEVED BODY.
What is the NSN for 7801-1040?
7801-1040 is cataloged in the U.S. Government catalog under NSN 5305-01-367-2716. This indicates validated use in U.S. government and defense supply chains.
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