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6930876-1 — SCREW,EXTERNALLY RELIEVED BODY

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

6930876-1: SCREW,EXTERNALLY RELIEVED BODY.

The SCREW,EXTERNALLY RELIEVED BODY is a the manufacturer industrial component. Key specifications include material: STEEL COMP 302 OR STEEL COMP 303 OR STEEL COMP 304 OR STEEL COMP 305 OR STEEL COMP 316 OVERALL, head_style: FLAT CHAMFER, head_height: 0.133 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN, thread_class: 3A A, head_diameter: 0.221 INCHES MINIMUM AND 0.231 INCHES MAXIMUM IN, thread_length: 0.230 INCHES MINIMUM AND 0.270 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-185-8422, 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
6930876-1
NSN: 5305-01-185-8422
FSC: 5305 — Screws
CAGE: 03640 — LOCKHEED MARTIN CORPORATION DIV ROTARY AND MISSION SYSTEMS (USA)
SPECIFICATIONS
materialSTEEL COMP 302 OR STEEL COMP 303 OR STEEL COMP 304 OR STEEL COMP 305 OR STEEL COMP 316 OVERALL
head_styleFLAT CHAMFER
head_height0.133 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
thread_class3A A
head_diameter0.221 INCHES MINIMUM AND 0.231 INCHES MAXIMUM IN
thread_length0.230 INCHES MINIMUM AND 0.270 INCHES MAXIMUM IN
fastener_length0.480 INCHES MINIMUM AND 0.520 INCHES MAXIMUM IN
hardness_rating80.0 ROCKWELL C MINIMUM OVERALL
thread_directionRIGHT-HAND
surface_treatmentPASSIVATE OVERALL
width_across_flats0.105 INCHES MINIMUM AND 0.115 INCHES MAXIMUM IN
internal_drive_styleHEXAGON
NSN5305-01-185-8422
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 6930876-1 · 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
•
WIDTH ACROSS FLATS: 0.105 INCHES MINIMUM AND 0.115 INCHES MAXIMUM IN
•
HEAD HEIGHT: 0.133 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
•
FASTENER LENGTH: 0.480 INCHES MINIMUM AND 0.520 INCHES MAXIMUM IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
•
THREAD LENGTH: 0.230 INCHES MINIMUM AND 0.270 INCHES MAXIMUM IN
•
HARDNESS RATING: 80.0 ROCKWELL C MINIMUM OVERALL
•
MATERIAL DOCUMENT AND CLASSIFICATION: 66 FED STD ALL MATERIAL RESPONSES OVERALL
•
FIRST DIAMETER FROM HEAD: 0.095 INCHES MINIMUM AND 0.098 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
WIDTH ACROSS FLATS0.105 INCHES MINIMUM AND 0.115 INCHES MAXIMUM IN
HEAD HEIGHT0.133 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
FASTENER LENGTH0.480 INCHES MINIMUM AND 0.520 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
THREAD LENGTH0.230 INCHES MINIMUM AND 0.270 INCHES MAXIMUM IN
HARDNESS RATING80.0 ROCKWELL C MINIMUM OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION66 FED STD ALL MATERIAL RESPONSES OVERALL
FIRST DIAMETER FROM HEAD0.095 INCHES MINIMUM AND 0.098 INCHES MAXIMUM IN
NOMINAL THREAD DIAMETER0.138 INCHES IN
HEAD STYLEFLAT CHAMFER
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 6930876-1?
6930876-1 is a SCREW,EXTERNALLY RELIEVED BODY.
What is the NSN for 6930876-1?
6930876-1 is cataloged in the U.S. Government catalog under NSN 5305-01-185-8422. 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.