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479987 — SETSCREW

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

479987: SETSCREW.

The SETSCREW is a the manufacturer industrial component. Key specifications include material: STEEL COMP 630 OVERALL, head_style: FLAT CHAMFER, head_height: 0.093 INCHES MINIMUM AND 0.107 INCHES MAXIMUM IN, point_style: CHAMFER DOG, point_length: 0.100 INCHES MINIMUM AND 0.120 INCHES MAXIMUM IN, thread_class: 2A A. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-006-0293, 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
479987
NSN: 5305-01-006-0293
FSC: 5305 — Screws
CAGE: 49956 — RAYTHEON COMPANY DIV CORP (USA)
SPECIFICATIONS
materialSTEEL COMP 630 OVERALL
head_styleFLAT CHAMFER
head_height0.093 INCHES MINIMUM AND 0.107 INCHES MAXIMUM IN
point_styleCHAMFER DOG
point_length0.100 INCHES MINIMUM AND 0.120 INCHES MAXIMUM IN
thread_class2A A
head_diameter0.285 INCHES MINIMUM AND 0.289 INCHES MAXIMUM IN
thread_length0.240 INCHES NOMINAL IN
point_diameter0.151 INCHES MINIMUM AND 0.155 INCHES MAXIMUM IN
fastener_length0.340 INCHES MINIMUM AND 0.360 INCHES MAXIMUM IN
hardness_rating37.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM OVERALL
thread_directionRIGHT-HAND
NSN5305-01-006-0293
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 479987 · 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
•
POINT DIAMETER: 0.151 INCHES MINIMUM AND 0.155 INCHES MAXIMUM IN
•
WIDTH ACROSS FLATS: 0.125 INCHES MINIMUM AND 0.127 INCHES MAXIMUM IN
•
HEAD HEIGHT: 0.093 INCHES MINIMUM AND 0.107 INCHES MAXIMUM IN
•
POINT LENGTH: 0.100 INCHES MINIMUM AND 0.120 INCHES MAXIMUM IN
•
FASTENER LENGTH: 0.340 INCHES MINIMUM AND 0.360 INCHES MAXIMUM IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
•
THREAD LENGTH: 0.240 INCHES NOMINAL IN
•
HARDNESS RATING: 37.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM OVERALL
TECHNICAL CHARACTERISTICS
POINT DIAMETER0.151 INCHES MINIMUM AND 0.155 INCHES MAXIMUM IN
WIDTH ACROSS FLATS0.125 INCHES MINIMUM AND 0.127 INCHES MAXIMUM IN
HEAD HEIGHT0.093 INCHES MINIMUM AND 0.107 INCHES MAXIMUM IN
POINT LENGTH0.100 INCHES MINIMUM AND 0.120 INCHES MAXIMUM IN
FASTENER LENGTH0.340 INCHES MINIMUM AND 0.360 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
THREAD LENGTH0.240 INCHES NOMINAL IN
HARDNESS RATING37.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5643 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
POINT CHAMFER ANGLE45.0 DEGREES NOMINAL
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 479987?
479987 is a SETSCREW.
What is the NSN for 479987?
479987 is cataloged in the U.S. Government catalog under NSN 5305-01-006-0293. 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.