PartsTable
Technical Data Sheet
PartsTable / COMPONENT / A158984

A158984 — Technical Data Sheet

✓ Verified by PartsTable
— · BOLT SCREW
WHAT YOU NEED TO KNOW
Grade/class stamped on head determines strength Metric and imperial threads look similar — measure pitch
Verify thread pitch — metric != imperial
PRODUCT OVERVIEW

The SCREW,MACHINE is a the manufacturer industrial component. Key specifications include head_style: FLAT CHAMFER, head_height: 0.156 INCHES NOMINAL IN, thread_class: 3A A, head_diameter: 0.250 INCHES NOMINAL IN, hole_diameter: 0.047 INCHES NOMINAL IN, thread_length: 0.344 INCHES MINIMUM IN. This part is cataloged in the Federal Logistics Information System under NSN 5305-00-637-1471, 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
A158984
NSN: 5305-00-637-1471
FSC: 5305
CAGE: 00000
SPECIFICATIONS
head_styleFLAT CHAMFER
head_height0.156 INCHES NOMINAL IN
thread_class3A A
head_diameter0.250 INCHES NOMINAL IN
hole_diameter0.047 INCHES NOMINAL IN
hole_quantity1
thread_length0.344 INCHES MINIMUM IN
screw_materialSTEEL CORROSION RESISTING
fastener_length0.375 INCHES NOMINAL IN
thread_directionRIGHT-HAND
internal_drive_styleSLOT
nominal_thread_diameter0.164 INCHES IN
NSN5305-00-637-1471
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: A158984 · 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
•
FASTENER LENGTH: 0.375 INCHES NOMINAL IN
•
HEAD HOLE CONFIGURATION STYLE: ROUND
•
HOLE QUANTITY: 1
•
HEAD STYLE: FLAT CHAMFER
•
THREAD QUANTITY PER INCH: 32
•
SCREW MATERIAL: STEEL CORROSION RESISTING
•
THREAD CLASS: 3A A
•
INTERNAL DRIVE STYLE: SLOT
TECHNICAL CHARACTERISTICS
FASTENER LENGTH0.375 INCHES NOMINAL IN
HEAD HOLE CONFIGURATION STYLEROUND
HOLE QUANTITY1
HEAD STYLEFLAT CHAMFER
THREAD QUANTITY PER INCH32
SCREW MATERIALSTEEL CORROSION RESISTING
THREAD CLASS3A A
INTERNAL DRIVE STYLESLOT
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
THREAD DIRECTIONRIGHT-HAND
VERIFIED SUBSTITUTES & CROSS-REFERENCES 17
114-336InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
11558InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
590-060InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
211558InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
BDM211558EAInterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
1407InterchangeableGOVERNMENT REGISTRY
Intel Pentium 1407 DC 2.80GHz 5MB
interchangeable
LIFECYCLE
StatusCANCELLEDGOVERNMENT REGISTRY
Availability—
RoHS CompliantEAR99Not HAZMAT
Ready to buy A158984?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is A158984?
A158984 is a SCREW,MACHINE.
What parts can replace A158984?
There are 17 known substitutes for A158984: 114-336, 11558, 590-060 and 14 more. Substitute compatibility should be verified for your specific system.
Is A158984 still available?
A158984 is currently cancelled.
Community Feedback
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — A158984

✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: September 2026