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IAC985-4-7BR — SCREW,MACHINE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

IAC985-4-7BR: SCREW,MACHINE.

The SCREW,MACHINE is a the manufacturer industrial component. Key specifications include head_style: FLAT COUNTERSUNK, head_height: 0.063 INCHES NOMINAL IN, thread_class: 3A A, head_diameter: 0.399 INCHES MAXIMUM IN, thread_length: 0.403 INCHES NOMINAL IN, screw_material: STEEL COMP H11. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-693-4063, 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
IAC985-4-7BR
NSN: 5305-01-693-4063
FSC: 5305 — Screws
CAGE: 06725 — SPS TECHNOLOGIES, LLC DBA AIR INDUSTRIES COMPANY DIV AIR INDUSTRIES COMPANY (USA)
SPECIFICATIONS
head_styleFLAT COUNTERSUNK
head_height0.063 INCHES NOMINAL IN
thread_class3A A
head_diameter0.399 INCHES MAXIMUM IN
thread_length0.403 INCHES NOMINAL IN
screw_materialSTEEL COMP H11
fastener_length0.8405 INCHES NOMINAL IN
hardness_rating46.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM
special_featuresGRIP DIAMETER IS 0.2637 INCH TO 0.2643 INCH IN
thread_directionRIGHT-HAND
countersink_angle99.0 DEGREES MINIMUM AND 101.00 DEGREES MAXIMUM
internal_drive_styleTORQUE SET
NSN5305-01-693-4063
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: IAC985-4-7BR · 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: 0.063 INCHES NOMINAL IN
•
SCREW SURFACE TREATMENT: ALUMINUM
•
FASTENER LENGTH: 0.8405 INCHES NOMINAL IN
•
SCREW MATERIAL DOCUMENT AND CLASSIFICATION: AMS-6487 ASSN STD SINGLE MATERIAL RESPONSE
•
THREAD LENGTH: 0.403 INCHES NOMINAL IN
•
HARDNESS RATING: 46.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM
•
NOMINAL THREAD DIAMETER: 0.250 INCHES IN
•
HEAD STYLE: FLAT COUNTERSUNK
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.063 INCHES NOMINAL IN
SCREW SURFACE TREATMENTALUMINUM
FASTENER LENGTH0.8405 INCHES NOMINAL IN
SCREW MATERIAL DOCUMENT AND CLASSIFICATIONAMS-6487 ASSN STD SINGLE MATERIAL RESPONSE
THREAD LENGTH0.403 INCHES NOMINAL IN
HARDNESS RATING46.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM
NOMINAL THREAD DIAMETER0.250 INCHES IN
HEAD STYLEFLAT COUNTERSUNK
THREAD DIRECTIONRIGHT-HAND
SCREW MATERIALSTEEL COMP H11
SUBSTITUTES & CROSS-REFERENCES 7
C7985Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
121558-4-A7BXSame NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
VT1694B4-7RReference document
Same NSN cross-reference
Reference document — Secondary reference
121558-47BXReference document
Same NSN cross-reference
Reference document — Secondary reference
SF117B4-7RReference document
Same NSN cross-reference
Reference document — Secondary reference
VT1694AS4-7XSame NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 IAC985-4-7BR?
IAC985-4-7BR is a SCREW,MACHINE.
What parts can replace IAC985-4-7BR?
There are 7 known substitutes for IAC985-4-7BR: C7985, 121558-4-A7BX, VT1694B4-7R and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for IAC985-4-7BR?
IAC985-4-7BR is cataloged in the U.S. Government catalog under NSN 5305-01-693-4063. This indicates validated use in U.S. government and defense supply chains.
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